EP1997589A1 - Positioning device with activation switching for a hand-held dibble device - Google Patents
Positioning device with activation switching for a hand-held dibble device Download PDFInfo
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- EP1997589A1 EP1997589A1 EP08103884A EP08103884A EP1997589A1 EP 1997589 A1 EP1997589 A1 EP 1997589A1 EP 08103884 A EP08103884 A EP 08103884A EP 08103884 A EP08103884 A EP 08103884A EP 1997589 A1 EP1997589 A1 EP 1997589A1
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- channels
- positioning device
- switching
- axis
- recess
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- 230000004913 activation Effects 0.000 title description 2
- 230000000903 blocking effect Effects 0.000 claims abstract description 33
- 238000010168 coupling process Methods 0.000 claims description 35
- 238000005859 coupling reaction Methods 0.000 claims description 35
- 230000008878 coupling Effects 0.000 claims description 28
- 230000007423 decrease Effects 0.000 claims description 3
- 230000001419 dependent effect Effects 0.000 claims 1
- 230000001960 triggered effect Effects 0.000 description 7
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 1
- 230000004323 axial length Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
- B25C1/00—Hand-held nailing tools; Nail feeding devices
- B25C1/008—Safety devices
Definitions
- the present invention relates to a positioning device with tripping mediation for an actuatable via a trigger element hand-held setting tool referred to in the preamble of claim 1.
- Art Such positioning with triggering are z. B. used in overhead mounting with hand-held setting devices on high ceilings, where otherwise only work by means of working platforms or ladders would be possible.
- the setting devices that can be used with the positioning device can, for. B. with solid, gaseous or liquid fuels or with compressed or compressed air or electrically operated.
- a positioning and release device for a combustion-powered setting tools which has a connection means for a setting device, which is arranged at one end of an elongate handle in the form of a rod or a rod.
- the rod is axially displaceable relative to the attachment means to actuate the trigger switch of a setting device fixed to the attachment means via coupling means.
- the positioning and triggering device further comprises a safety device which prevents triggering of the setting device in alignment with the mouth exactly in the direction of the gravitational force.
- the safety device includes for this purpose designed as a ball locking element, which is guided in a direction obliquely to the longitudinal axis of the rod and formed as a channel recess in a component in the form of the connecting means.
- the ball rolls in an orientation in the direction of the gravitational force in the path of movement of the rod and prevents further movement of the rod relative to the carrier and thus the triggering of a carrier arranged on the setting device.
- the rod has at its end facing the attachment means a radially circumferential further recess into which the ball can engage.
- a disadvantage of this setting tool is that the diameter of the ball defines the maximum, available in the release position of the ball movement path of the handle relative to the housing, within which all the necessary functions such. As the triggering of the ignition must be done. It therefore requires a high contact pressure for this short movement. It is also disadvantageous that very different angles arise when lifting the setting device up to the activation and lowering of the setting device to the renewed locking of the setting device. That is to say, the limit angle at which a setting process is still possible in the case of a deviation of the setting device from a vertical orientation opposite to that of the gravitational force may be different, depending on which orientation changes the setting device has undergone prior to triggering. In addition, if the setting device is pressed with momentum horizontally against the wall or down against the ground, the locking ball from its locked position roll and the setting device can be released unintentionally.
- the object of the present invention is therefore to develop a positioning and tripping device of the aforementioned type, which avoids the disadvantages mentioned and allows sufficient movement of the handle relative to the setting tool when pressed with at the same time low effort.
- the stated object is achieved by a positioning device with a triggering device for an actuatable via a trigger switch hand-held setting tool having the features of the independent claim. Accordingly, at least three each guided in a channel locking elements are provided, wherein the channels are inclined relative to a plane perpendicular to the axis intersecting plane and wherein the channels intersect in regions an axial projection of the switching element and in this Overlapping areas are open to the switching element.
- the channels run to the axial projection of the switching element similar to a secant, ie they do not run on the axis of the switching element, but they cut the axial projection peripherally.
- the locking position of the safety device is not only in a particular orientation of the positioning, but rotationally symmetrical to the longitudinal axis in other deviating from the approved orientation tilting plies, since then always at least one blocking element in the overlap region of a channel with the Switching element is located and thus extends into the recess. So z. B. the locking position are always triggered when the positioning device in a tilted position to the vertical (i.e., the vector of the gravitational force opposite orientation) is transferred, which exceeds a maximum allowable tilt angle.
- the maximum stroke of the switching element is not determined by the size of the blocking elements.
- the controlled via the Anpressweg functions such.
- the triggering of the setting device or the transport of cartridges in the case of powder-driven setting tools therefore, can be designed on the basis of the optimal force-displacement behavior. High contact forces can therefore be avoided.
- the setting device can be triggered when the positioning device is arranged in an orientation in the direction of the vector of the gravitational force and / or a tilting position to this orientation.
- the channels are distributed rotationally symmetrically about the axis around, so that the blocking function in each rotational position of the device around its longitudinal axis always at the same release angles allows a triggering mediation.
- the locking elements are pin-shaped, whereby an early opening of the locking position can be prevented when the device is dynamically moved against a wall or a floor and the locking elements tend due to the accelerations occurring in the channels tend to move out of their blocking positions, there the pin-shaped locking elements, in contrast to spherical locking elements are blocking effective over their entire axial length. Early opening of the blocking position is thus avoided.
- the switching element is rod-shaped and is guided in a cylindrical portion of the component designed as a coupling element.
- This coupling element is part of the support structure on which the switching strand is guided with its moving parts, so that the safety device in an orientation which allows a setting process is relatively far down in the mass strand, so that the forces acting on the blocking element forces are lower in the case of blocking.
- the device could also z. B. be formed by a handle or by the attachment means.
- the channels are inclined at an angle between 20 ° and 50 ° to the axis perpendicularly intersecting plane.
- the triggering circuit is reliably locked in an orientation perpendicular to the vector of gravitational force (horizontal orientation) or a dynamic pressing in the direction of gravitational force.
- the overlapping areas of the channels for the axial projection of the switching element towards the axis have a depth which is smaller than the diameter of the channels.
- the recess is designed as a circumferential annular groove which is closed in both axial directions of the switching element, whereby a good accessibility of the recess for the blocking elements is achieved and if the device is transferred to an orientation of the device which is not permitted for triggering easily from the channels into the recess can effectively engage.
- an inventive positioning device 20 is shown with tripping mediation for a hand-held setting tool 10, which is for example modular.
- the complete positioning device 20 are from FIG. 1 apparent parts 21 a and 21 b of a rod-like handle 21 on the coupling element 28 and the counter-coupling element 29 coupled together.
- the connection between the coupling element 28 and the counter-coupling element 29 is releasable, so that the positioning device 20 together and can be disassembled again.
- the longitudinal extension of the rod-like handle 21 defines an axis A of the positioning device 20.
- Such positioning devices 20 are used to extend setting devices 10 to z. B. work overhead on ceilings etc. with the setting tool to perform.
- This in Fig. 1 reproduced setting device 10 has a arranged in a single or multi-part housing 11 setting network for driving fasteners into a structural element.
- a release element 13 is arranged on a handle 12 of the setting device 10 on the setting device 10.
- the housing 11 upstream of a total of 14 designated mouth part is arranged, which is displaceable relative to the housing 11.
- the positioning device 20 has a switching strand 30, via which the triggering mediation of an actuating element 24 of the rod-like handle 21 to the, z. B. trained as a trigger switch, triggering element 13 of the setting device 10 takes place.
- the actuator 24 thus acts as a remote trigger switch.
- the hand-held setting tool 10 is arranged on a connecting means 22 of the positioning device 20 and reversibly fixed there via first and second holding means 38, 39. By loosening the screw means 40 of the second holding means 39, the setting device 10 can be released again from the attachment means 22.
- the connection between setting tool and positioning could alternatively be done via a screw, z. B. an internal thread on the setting tool and an external thread on the positioning device (or vice versa) is provided.
- the first part 21a of the rod-like handle 21 has an actuating element 24 formed as an elongate actuating sleeve, which is guided on a supporting element 23 designed as a hollow rod of a support structure.
- an actuating sleeve and an operating lever could be used, the z. B. on a handle portion on a coupling element 28 remote from the end of the handle 21 is arranged.
- the actuating element 24 is displaceable parallel to the axis A relative to the support element 23.
- a foot part 26 is arranged, which projects beyond an attachment means 22 remote from the axial end 27 of the actuating element 24.
- the support member 23 is fixedly connected to the coupling element 28, which has a receptacle 36 for the counter-coupling element 29 at its end remote from the support element 23.
- a support point 41 is formed for a spring element 42, which is formed with its other end of the spring via an inner sleeve formed as an intermediate element 43 on the Actuator 24 is supported and this in the direction of his Fig. 1 apparent starting position applied elastically.
- the intermediate element 43 is fixedly connected to the actuating element 24.
- the actuating element 24 is connected to a sleeve-shaped first switching element 33 of the switching strand 30, which at least partially surrounds a section 46 of the coupling element 28 fixed to the supporting element 23.
- the first switching member 33 cooperates with a pin formed as second switching element 34 of the switching string 30, which is guided in a trained as a blind hole guide 44 in the coupling element 28 slidably.
- the first switching element 33 is in turn connected via a perpendicular to the longitudinal axis A and designed as a pin connecting means 47 with the second switching element 34.
- the connecting means 47 engages through slot-shaped openings (not visible in the figures) in the portion 46 of the coupling element 28, which allow a displacement of the connecting means 47 relative to the coupling element 28 and parallel to the axis A.
- the attachment means 22 is arranged.
- the connection between the coupling element 28 and the counter-coupling element 29 is releasable, so that the positioning device 20 together and can be disassembled again.
- the rod-like handle 21 has in the second part 21 b further comprises a third switching element 35 of the switching strand 30, which cooperates with the second switching element 34 when the coupling element 28 and the counter-coupling element 29 are connected together.
- the third switching element 35 is rod-shaped and guided in an inner space of the second part 21 b of the rod-like handle 21. In the transition of the rod-like handle 21 to the connection means 22, the third switching element 35 can be coupled with other switching elements of the switching strand 30 at least in a direction of movement to the connection means 22 out.
- a driver 37 is also still arranged, which cooperates with the triggering element 13 of the fastening means 22 arranged on the setting device 10. Via a spring means 49 of the switching strand 30 is at the attachment means 22 with the driver 37 in the direction of his Fig. 1 apparent unconfirmed position beaufschlagt in which the driver 37 does not press against the trigger element 13 of the setting device 10.
- first part 21 a and the second part 21 b of the handle 21 may still be provided one or more extension parts, which can be used between the first part 21 a and the second part 21 b and each at one end a coupling element and on a have another counter-coupling element at the other end. Furthermore, there is then also in each case a further switching element of the switching string made displaceable.
- the positioning device 20 furthermore has a safety device designated as a whole by 50 (cf. FIGS. 2 to 6 ), which prevents triggering of a positioning device 20 arranged on the setting device 10 via the actuator 24 in a direction other than the legal orientation.
- This safety device 50 is formed between a component of the support structure, which is formed in the illustrated embodiment by the receptacle 36 facing away portion 46 of the coupling element 28, and a relative to this axially along the axis A displaceable switching element of the switching strand 30, in the embodiment by the second Switching member 34 is formed, arranged.
- the safety device 50 has a recess 51 formed as a radially circumferential annular groove on the outside of the second switching element 34.
- the recess 51 is open to the portion 46 and radially outwardly.
- the recess 51 is bounded in the axial direction by groove walls 52 which extend obliquely with respect to the axis A, so that the axial width of the recess 51 decreases from radially outward to radially inward.
- the safety device 50 also has a plurality of, in the illustrated example exactly three, channels 56 in the portion 46 of the coupling element 28 which are distributed rotationally symmetrically about the axis A around and related to a vertical axis A perpendicular intersecting plane E at an angle alpha are tilted from 20 ° to 50 ° (see, in particular Figures 2 . 4 and 6 ).
- the channels 56 have a circular cross-section perpendicular to their longitudinal extent.
- a radially outer end 58 of the channels 56 is open on the lateral surface of the coupling element 28 in the region of the portion 46, while a radially inner end 57 of the channels 56 is closed.
- the channels 56 cut in the manner of a secant partially regional an axial projection of the switching element 34 and are open in these overlapping areas 59 to the second switching element 34.
- the length L2 of the channels 56 from the radially outer end 58 to the overlap region 59 is in each case greater than the length L1 of the channels 56 from the inner end 57 to the overlap region 59 (see FIG Fig. 2 ).
- the overlapping areas 59 of the channels 56 and the axial projection of the second switching element 34 also have to the axis A towards a depth T, which is smaller than the diameter D of the channels 56 (see in particular Fig. 3 ).
- In each of the channels 56 each designed as an elongated, circular cylindrical pin locking element 55a, 55b, 55c is movably guided.
- the length L1 of the channels 56 from the inner end 57 to the overlap region 59 is smaller than the length L3 of the pin-shaped blocking elements 55a, 55b, 55c (see FIG. Fig. 2 ). Further, the length L4 of the intersecting portions 59 in the longitudinal direction of the channels 56 is smaller than the length L3 of the pin-shaped blocking elements 55a, 55b, 55c.
- the pin-shaped blocking element 55a is located radially outward in the channel 56 in its radially outer end 58 facing region and is thus not blocking effective in the overlap region 59 between the portion 46 and the second switching member 34.
- the other locking elements 55b and 55c are in the radially outer end 58 facing areas of the channels 56 and thus are also not blocking effective.
- the safety device 50 is in this orientation of the positioning device 20 in its triggering switching position.
- the setting device 10 on the positioning device 20 can be pressed in this orientation with the mouth part 14 to a ceiling or other structural element and it can then be triggered by a displacement of the actuating element 24 to the coupling element 28 toward a setting process, since the locking elements 55a, 55b, 55c allow a relative movement of the second switching element 34 relative to the component of the support structure or to the portion 46 of the coupling element 28 due to its fully inserted into the first recess 51 position. How out Fig. 2 it can be seen, the second switching element 34 is thereby via the actuating element 24 and the first switching element 33 in the direction of the first arrow 15 relative to the coupling part 28th and its portion 46 offset (dashed second switching element 34).
- the positioning device 20 is aligned with the safety device 50 with its longitudinal axis A, for example, at a right angle to the vector G of gravitational force.
- one of the pin-shaped blocking elements 55a is at least partially blocking-effective in the overlapping region in the region of the channel 56 facing the radially inner end 57 and thus due to the ratios of the length L3 of the blocking element to the length L1 of the channel 56 from the inner end 57 to the overlapping region 59 59.
- the safety device 50 is now in its locked position.
- the positioning device 20 is aligned with the safety device 50 with its longitudinal axis A by way of example in the direction of the vector G of gravitational force.
- all the pin-shaped blocking elements 55a, 55b, 55c are located in the region of the channels 56 facing the radially inner end 57 and thus due to the ratios of the lengths L3 of the pin-shaped blocking elements 55a, 55b, 55c to the lengths L1 from the inner ends 57 to the overlapping areas 59 at least partially Sperr capable in the overlapping areas 59.
- the safety device 50 is therefore also in this orientation in its blocking position.
- a construction variant of the channels 56 is indicated.
- the channels 56 are there flared at their radially inner ends 57, whereby the central axes of the pin-shaped locking elements 55 a, 55 b, 55 c can be inclined to the central axis of the respective channel 56.
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Abstract
Description
Die vorliegende Erfindung betrifft eine Positioniervorrichtung mit Auslösevermittlung für ein über ein Auslöseelement betätigbares handgeführtes Setzgerät der im Oberbegriff des Patentanspruchs 1 genannten Art. Derartige Positioniervorrichtungen mit Auslösevermittlung werden z. B. bei der Überkopfmontage mit handgeführten Setzgeräten an hohen Decken verwendet, wo ansonsten nur ein Arbeiten mittels Arbeitsbühnen oder Leitern möglich wäre. Die mit der Positioniervorrichtung verwendbaren Setzgeräte können z. B. mit festen, gasförmigen oder flüssigen Brennstoffen oder auch mit Druck- oder Pressluft oder elektrisch betrieben werden.The present invention relates to a positioning device with tripping mediation for an actuatable via a trigger element hand-held setting tool referred to in the preamble of
Aus der
Von Nachteil hierbei ist jedoch, dass das Auslösen des Setzgerätes nur sicher verhindert werden kann, wenn die Positionier- und Auslösevorrichtung mit dem Setzgerät exakt mit der Mündung in Richtung der Gravitationskraft ausgerichtet ist.The disadvantage here, however, that the release of the setting device can only be reliably prevented when the positioning and release device is aligned with the setting device exactly to the mouth in the direction of gravitational force.
Aus der
Von Nachteil bei diesem Setzgerät ist jedoch, dass der Durchmesser der Kugel den maximalen, in der Freigabestellung der Kugel zur Verfügung stehenden Bewegungsweg der Handhabe relativ zum Gehäuse definiert, innerhalb dessen alle notwendigen Funktionen, wie z. B. das Auslösen der Zündung, erfolgen müssen. Es bedarf für diesen kurzen Bewegungsweg daher einer hohen Anpresskraft. Von Nachteil ist es ferner, dass sich beim Anheben des Setzgerätes nach oben bis zur Freischaltung und beim Absenken des Setzgerätes bis zum erneuten Sperren des Setzgerätes sehr unterschiedliche Winkel ergeben. D. h., dass der Grenzwinkel bei dem bei einer Abweichung des Setzgerätes von einer der Gravitationskraft entgegengesetzten vertikalen Orientierung ein Setzvorgang noch möglich ist, verschieden sein kann, je nachdem welche Orientierungsänderungen das Setzgerät vor dem Auslösen erfahren hat. Ausserdem kann, wenn das Setzgerät mit Schwung waagerecht gegen die Wand oder nach unten gegen den Boden angepresst wird, die Sperrkugel aus ihrer Sperrstellung rollen und das Setzgerät so unbeabsichtigt freigegeben werden.A disadvantage of this setting tool, however, is that the diameter of the ball defines the maximum, available in the release position of the ball movement path of the handle relative to the housing, within which all the necessary functions such. As the triggering of the ignition must be done. It therefore requires a high contact pressure for this short movement. It is also disadvantageous that very different angles arise when lifting the setting device up to the activation and lowering of the setting device to the renewed locking of the setting device. That is to say, the limit angle at which a setting process is still possible in the case of a deviation of the setting device from a vertical orientation opposite to that of the gravitational force may be different, depending on which orientation changes the setting device has undergone prior to triggering. In addition, if the setting device is pressed with momentum horizontally against the wall or down against the ground, the locking ball from its locked position roll and the setting device can be released unintentionally.
Die Aufgabe der vorliegenden Erfindung liegt daher darin, eine Positionier- und Auslösevorrichtung der vorgenannten Art zu entwickeln, welche die genannten Nachteile vermeidet und einen ausreichenden Bewegungsweg der Handhabe relativ zum Setzgerät beim Anpressen bei gleichzeitig geringem Kraftaufwand ermöglicht.The object of the present invention is therefore to develop a positioning and tripping device of the aforementioned type, which avoids the disadvantages mentioned and allows sufficient movement of the handle relative to the setting tool when pressed with at the same time low effort.
Erfindungsgemäss wird die gestellte Aufgabe durch eine Positioniervorrichtung mit Auslösevermittlung für ein über einen Auslöseschalter betätigbares handgeführtes Setzgerät mit den Merkmalen des unabhängigen Anspruchs gelöst. Demnach sind wenigstens drei jeweils in einem Kanal geführte Sperrelemente vorgesehen, wobei die Kanäle bezogen auf eine die Achse senkrecht schneidende Ebene geneigt sind und wobei die Kanäle bereichsweise eine Axialprojektion des Schaltgliedes schneiden und in diesen Überschneidungsbereichen zum Schaltglied hin offen sind. Die Kanäle verlaufen dabei zur Axialprojektion des Schaltgliedes ähnlich wie eine Sekante, d. h. sie laufen nicht auf die Achse des Schaltgliedes zu, sondern sie schneiden die Axialprojektion peripher.According to the invention, the stated object is achieved by a positioning device with a triggering device for an actuatable via a trigger switch hand-held setting tool having the features of the independent claim. Accordingly, at least three each guided in a channel locking elements are provided, wherein the channels are inclined relative to a plane perpendicular to the axis intersecting plane and wherein the channels intersect in regions an axial projection of the switching element and in this Overlapping areas are open to the switching element. The channels run to the axial projection of the switching element similar to a secant, ie they do not run on the axis of the switching element, but they cut the axial projection peripherally.
Durch diese Massnahme kann zum einen erreicht werden, dass die Sperrstellung der Sicherheitseinrichtung nicht nur in einer bestimmten Ausrichtung der Positioniervorrichtung erfolgt, sondern rotationssymmetrisch zur Längsachse auch in anderen von der zugelassenen Orientierung abweichenden Kipplagen, da dann immer wenigstens ein Sperrelement im Überschneidungsbereich eines Kanals mit dem Schaltglied liegt und somit in die Ausnehmung hineinreicht. So kann z. B. die Sperrstellung immer dann ausgelöst werden, wenn die Positioniervorrichtung in einer Kipplage zur Vertikalen (d. h. der dem Vektor der Gravitationskraft entgegengesetzten Orientierung) überführt wird, die einen maximal zulässigen Kippwinkel überschreitet.This measure can be achieved on the one hand, that the locking position of the safety device is not only in a particular orientation of the positioning, but rotationally symmetrical to the longitudinal axis in other deviating from the approved orientation tilting plies, since then always at least one blocking element in the overlap region of a channel with the Switching element is located and thus extends into the recess. So z. B. the locking position are always triggered when the positioning device in a tilted position to the vertical (i.e., the vector of the gravitational force opposite orientation) is transferred, which exceeds a maximum allowable tilt angle.
Gleichzeitig wird der maximale Hub des Schaltgliedes nicht durch die Grösse der Sperrelemente bestimmt. Die über den Anpressweg gesteuerten Funktionen, wie z. B. das Auslösen des Setzgerätes oder der Transport von Kartuschen im Falle von pulverbetriebenen Setzgeräten, können daher anhand des optimalen Kraft-Weg-Verhaltens ausgelegt werden. Hohe Anpresskräfte können demnach vermieden werden. Es kann ebenfalls gewünscht sein, dass das Setzgerät dann ausgelöst werden kann, wenn die Positioniervorrichtung in einer Orientierung in Richtung des Vektors der Gravitationskraft und/oder einer Kipplage zu dieser Orientierung angeordnet ist.At the same time, the maximum stroke of the switching element is not determined by the size of the blocking elements. The controlled via the Anpressweg functions such. As the triggering of the setting device or the transport of cartridges in the case of powder-driven setting tools, therefore, can be designed on the basis of the optimal force-displacement behavior. High contact forces can therefore be avoided. It may also be desired that the setting device can be triggered when the positioning device is arranged in an orientation in the direction of the vector of the gravitational force and / or a tilting position to this orientation.
Von Vorteil ist es dabei, wenn die Kanäle rotationssymmetrisch um die Achse herum verteilt sind, so dass die Sperrfunktion in jeder Drehlage der Vorrichtung um seine Längsachse herum immer bei den gleichen Freigabewinkeln eine Auslösevermittlung zulässt.It is advantageous if the channels are distributed rotationally symmetrically about the axis around, so that the blocking function in each rotational position of the device around its longitudinal axis always at the same release angles allows a triggering mediation.
Vorteilhaft sind die Sperrelemente stiftförmig ausgebildet, wodurch ein frühzeitiges Öffnen der Sperrstellung verhindert werden kann, wenn die Vorrichtung dynamisch gegen eine Wand oder einen Boden bewegt wird und die Sperrelemente auf Grund der auftretenden Beschleunigungen in den Kanälen dazu tendieren, sich aus ihren Sperrstellungen herauszubewegen, da die stiftförmigen Sperrelemente im Gegensatz zu kugelförmigen Sperrelementen über ihre gesamte axiale Länge sperrwirksam sind. Ein frühzeitiges Öffnen der Sperrstellung wird so vermieden.Advantageously, the locking elements are pin-shaped, whereby an early opening of the locking position can be prevented when the device is dynamically moved against a wall or a floor and the locking elements tend due to the accelerations occurring in the channels tend to move out of their blocking positions, there the pin-shaped locking elements, in contrast to spherical locking elements are blocking effective over their entire axial length. Early opening of the blocking position is thus avoided.
Von Vorteil ist es auch, wenn das Schaltglied stangenförmig ausgebildet ist und in einem zylindrischen Abschnitt des als Kupplungselement ausgebildeten Bauelementes geführt ist.It is also advantageous if the switching element is rod-shaped and is guided in a cylindrical portion of the component designed as a coupling element.
Dieses Kupplungselement gehört zur Stützstruktur, an der der Schaltstrang mit seinen beweglichen Teilen geführt ist, so dass die Sicherheitseinrichtung bei einer Orientierung die einen Setzvorgang ermöglicht relativ weit unten im Massestrang ist, so dass die auf das Sperrelement wirkenden Kräfte im Sperrfall geringer sind.This coupling element is part of the support structure on which the switching strand is guided with its moving parts, so that the safety device in an orientation which allows a setting process is relatively far down in the mass strand, so that the forces acting on the blocking element forces are lower in the case of blocking.
Alternativ könnte das Bauelement aber auch z. B. durch ein Griffstück oder durch das Anbindungsmittel gebildet sein.Alternatively, the device could also z. B. be formed by a handle or by the attachment means.
Günstigerweise sind die Kanäle in einem Winkel zwischen 20° und 50° zu der die Achse senkrecht schneidenden Ebene geneigt. Hierdurch wird einerseits eine zuverlässige Freischaltung bei senkrechter Orientierung entgegen der Gravitationskraft oder leicht zu dieser Ausrichtung geneigt erreicht und andererseits wird die Auslösevermittlung bei einer Ausrichtung senkrecht zum Vektor der Gravitationskraft (waagerechte Orientierung) oder einem dynamischen Anpressen in Richtung der Gravitationskraft zuverlässig gesperrt.Conveniently, the channels are inclined at an angle between 20 ° and 50 ° to the axis perpendicularly intersecting plane. In this way, on the one hand, a reliable release is achieved with vertical orientation against the gravitational force or slightly inclined to this orientation and on the other hand, the triggering circuit is reliably locked in an orientation perpendicular to the vector of gravitational force (horizontal orientation) or a dynamic pressing in the direction of gravitational force.
Vorteilhaft weisen die Überschneidungsbereiche der Kanäle zur Axialprojektion des Schaltgliedes zur Achse hin eine Tiefe auf, die kleiner ist als der Durchmesser der Kanäle. Durch diese Massnahme wird eine ausreichende Führung der Sperrelemente in den Kanälen erreicht, obwohl die Kanäle die Axialprojection des Schaltgliedes bzw. der Führungsbohrung für das Schaltglied nach Art einer Sekante schneiden.Advantageously, the overlapping areas of the channels for the axial projection of the switching element towards the axis have a depth which is smaller than the diameter of the channels. By this measure, a sufficient guidance of the locking elements is achieved in the channels, although the channels intersect the Axialprojection of the switching element or the guide hole for the switching member in the manner of a secant.
Von Vorteil ist es ferner, wenn die Ausnehmung als in beiden axialen Richtungen des Schaltgliedes geschlossene, umlaufende Ringnut ausgebildet ist, wodurch eine gute Zugänglichkeit der Ausnehmung für die Sperrelemente erreicht wird und diese bei Überführung der Vorrichtung in eine nicht für eine Auslösevermittlung zugelassene Orientierung der Vorrichtung leicht aus den Kanälen in die Ausnehmung sperrwirksam einrücken können.It is furthermore advantageous if the recess is designed as a circumferential annular groove which is closed in both axial directions of the switching element, whereby a good accessibility of the recess for the blocking elements is achieved and if the device is transferred to an orientation of the device which is not permitted for triggering easily from the channels into the recess can effectively engage.
Günstig ist es auch, wenn die die Ausnehmung in axialer Richtung begrenzenden Nutwände in Bezug auf die Achse schräg verlaufen, so dass die axiale Weite der Ausnehmung von radial aussen nach radial innen abnimmt. Hierdurch ergibt sich bei stiftförmigen Sperrelementen in der Sperrstellung nicht nur eine Punkt- sondern eine Linienberührung zwischen der Mantelfläche der Sperrstifte und den schrägen Nutwänden des Schaltgliedes. Die Flächenpressung im Kontaktbereich kann so verringert werden.It is also favorable if the groove walls bounding the recess in the axial direction run obliquely with respect to the axis, so that the axial width of the recess decreases from radially outward to radially inward. This results in pin-shaped blocking elements in the blocking position not only a point but a line contact between the lateral surface of the locking pins and the oblique groove walls of the switching element. The surface pressure in the contact area can thus be reduced.
In den Zeichnungen ist die Erfindung in einem Ausführungsbeispiel dargestellt.In the drawings, the invention is shown in one embodiment.
Es zeigen:
-
Fig. 1 in teilweise explodierter Darstellung eine erfindungsgemässe Positioniervorrichtung mit Auslösevermittlung und mit an einem Anbindungsmittel angeordnetem handgeführten Setzgerät in nicht angepresster Stellung, -
Fig. 2 ein vergrössertes Detail der erfindungsgemässen Positioniervorrichtung gemäss Ausschnitt II ausFig. 1 in einem Längsschnitt parallel zur Längsachse in unbetätigter Stellung und mit angedeuteter betätigter Stellung in einer der Gravitationskraft entgegengesetzten, vertikalen Orientierung der Positioniervorrichtung, -
Fig. 3 das Detail der Positioniervorrichtung ausFig. 2 in unbetätigter Stellung in einem mittigen Längsschnitt, -
Fig. 4 das Detail der Positioniervorrichtung ausFig. 2 in unbetätigter Stellung in einem Längsschnitt parallel zur Längsachse in einer horizontalen Orientierung, -
Fig. 5 das Detail der Positioniervorrichtung ausFig. 2 in unbetätigter Stellung in einem Längsschnitt parallel zur Längsachse in einer vertikalen Orientierung der Positioniervorrichtung in Richtung der Gravitationskraft, -
Fig. 6 das Detail der Positioniervorrichtung ausFig. 5 in unbetätigter Stellung in perspektivischer Ansicht.
-
Fig. 1 in a partially exploded view, a positioning device according to the invention with release mediation and with a hand-held setting device arranged on a connecting means in the unpressed position, -
Fig. 2 an enlarged detail of the inventive positioning device according to section IIFig. 1 in a longitudinal section parallel to the longitudinal axis in the unactuated position and with an indicated actuated position in a gravitational force opposite, vertical orientation of the positioning device, -
Fig. 3 the detail of the positioning fromFig. 2 in the unactuated position in a central longitudinal section, -
Fig. 4 the detail of the positioning fromFig. 2 in the unactuated position in a longitudinal section parallel to the longitudinal axis in a horizontal orientation, -
Fig. 5 the detail of the positioning fromFig. 2 in the unactuated position in a longitudinal section parallel to the longitudinal axis in a vertical orientation of the positioning device in the direction of the gravitational force, -
Fig. 6 the detail of the positioning fromFig. 5 in unactuated position in perspective view.
In den
Das in
Wie aus
Der erste Teil 21 a der stangenartigen Handhabe 21 weist ein als längliche Betätigungshülse ausgebildetes Betätigungselement 24 auf, welches an einem als hohler Stab ausgebildetem Stützelement 23 einer Stützstruktur geführt ist. Alternativ zu einer Betätigungshülse könnte auch ein Betätigungshebel verwendet werden, der z. B. an einem Griffteil an einem dem Kupplungselement 28 abgewandten Ende der Handhabe 21 angeordnet ist.The
Das Betätigungselement 24 ist parallel zur Achse A relativ zum Stützelement 23 verschiebbar. An einem dem Anbindungsmittel 22 abgewandten freien Ende 25 des Stützelements 23 bzw. der Handhabe 21 ist ein Fussteil 26 angeordnet, das über ein dem Anbindungsmittel 22 abgewandtes axiales Ende 27 des Betätigungselements 24 vorsteht. Das Stützelement 23 ist fest mit dem Kupplungselement 28 verbunden, das an seinem dem Stützelement 23 abgewandten Ende eine Aufnahme 36 für das Gegenkupplungselement 29 aufweist. An einem dem Fussteil 26 zugewandten Ende des Kupplungselements 28 ist eine Abstützstelle 41 für ein Federelement 42 ausgebildet, das sich mit seinem anderen Federende über ein als Innenhülse ausgebildetes Zwischenelement 43 an dem Betätigungselement 24 abstützt und dieses in Richtung auf seine aus
Das Betätigungselement 24 ist mit einem hülsenförmigen ersten Schaltglied 33 des Schaltstranges 30 verbunden, das einen an dem Stützelement 23 festgelegten Abschnitt 46 des Kupplungselements 28 wenigstens teilweise umfängt. Das erste Schaltglied 33 wirkt mit einem als Stift ausgebildeten zweiten Schaltglied 34 des Schaltstranges 30 zusammen, welches in einer als Sackloch ausgebildeten Führung 44 im Kupplungselement 28 verschieblich geführt ist. Das erste Schaltglied 33 ist wiederum über ein senkrecht zur Längsachse A verlaufendes und als Zapfen ausgebildetes Verbindungsmittel 47 mit dem zweiten Schaltglied 34 verbunden. Das Verbindungsmittel 47 durchgreift dabei schlitzförmige Öffnungen (in den Figuren nicht sichtbar) im Abschnitt 46 des Kupplungselements 28, die eine Verschiebung des Verbindungsmittels 47 relativ zum Kupplungselement 28 und parallel zur Achse A ermöglichen.The
An dem zweiten Teil 21 b der stangenartigen Handhabe 21 ist das Anbindungsmittel 22 angeordnet. An seinem dem Anbindungsmittel 22 abgewandten Ende weist dieser zweite Teil 21 b der stangenartigen Handhabe 21 das ringförmig ausgebildete Gegenkupplungselement 29 auf, das, wie vorhergehend bereits beschrieben, in die Aufnahme 36 im Kupplungselement 28 einsteckbar ist. Die Verbindung zwischen dem Kupplungselement 28 und dem Gegenkupplungselement 29 ist dabei lösbar, so dass die Positioniervorrichtung 20 zusammen- und wieder auseinandergebaut werden kann.At the
Die stangenartige Handhabe 21 weist im zweiten Teil 21 b ferner ein drittes Schaltglied 35 des Schaltstranges 30 auf, welches mit dem zweiten Schaltglied 34 kooperiert, wenn das Kupplungselement 28 und das Gegenkupplungselement 29 miteinander verbunden sind. Das dritte Schaltglied 35 ist stangenförmig ausgebildet und in einem Innenraum des zweiten Teils 21 b der stangenartigen Handhabe 21 geführt. Im Übergang der stangenartigen Handhabe 21 zum Anbindungsmittel 22 ist das dritte Schaltglied 35 mit weiteren Schaltgliedern des Schaltstrangs 30 zumindest in einer Bewegungsrichtung zum Anbindungsmittel 22 hin koppelbar. An einem freien Ende des Schaltstrangs 30 am Anbindungsmittel 22 ist ferner noch ein Mitnehmer 37 angeordnet, der mit dem Auslöseelement 13 des am Anbindungsmittel 22 angeordneten Setzgerätes 10 zusammenwirkt. Über ein Federmittel 49 ist der Schaltstrang 30 am Anbindungsmittel 22 mit dem Mitnehmer 37 in Richtung auf seine aus
Zusätzlich zum ersten Teil 21 a und zum zweiten Teil 21 b der Handhabe 21 können noch ein oder mehrere Verlängerungsteile vorgesehen sein, die zwischen den ersten Teil 21a und den zweiten Teil 21 b eingesetzt werden können und die jeweils an einem Ende ein Kupplungselement und an einem anderen Ende ein Gegenkupplungselement aufweisen. Ferner ist dort dann ebenfalls jeweils ein weiteres Schaltglied des Schaltstranges versetzbar geführt.In addition to the
Die Positioniervorrichtung 20 weist ferner eine insgesamt mit 50 bezeichnete Sicherheitseinrichtung auf (vgl. insbesondere
Die Sicherheitseinrichtung 50 weist ferner noch mehrere, in dem dargestellten Beispiel genau drei, Kanäle 56 in dem Abschnitt 46 des Kupplungselementes 28 auf, die rotationssymmetrisch um die Achse A herum verteilt sind und die bezogen auf eine die Achse A senkrecht schneidende Ebene E in einem Winkel alpha von 20° bis 50° geneigt sind (vgl. insbesondere
In der aus den
In den
Auch bei einer Neigung der Positioniervorrichtung 20 zu der in den
In
In den
In
Claims (8)
dadurch gekennzeichnet,
dass wenigstens drei jeweils in einem separaten Kanal (56) geführte Sperrelemente (55a, 55b, 55c) vorgesehen sind, wobei die Kanäle (56) bezogen auf eine die Achse (A) senkrecht schneidende Ebene (E) geneigt sind und wobei die Kanäle (56) bereichsweise eine Axialprojektion des Schaltgliedes (34) schneiden und in den Überschneidungsbereichen (59) zum Schaltglied (34) hin offen sind und wobei die Kanäle (56) zur Axialprojektion des Schaltgliedes (34) nach Art einer Sekante verlaufen.Positioning device with triggering arrangement for a hand-operated setting device (10) which can be actuated via a triggering element (13), with a fastening device (22) for the setting device (10) which is located at one end of a rod-like handle (21) which defines an axis (A), is arranged and wherein for the tripping mediation of an actuating element (24) of the handle (21) to the trigger element (13) a mechanical switching strand (30) with at least one relative to a component along the axis (A) displaceable switching member (34) is provided and with a safety device (50) for orientation-dependent locking of the tripping switch, which has a locking element (55a, 55b, 55c) movably guided in a channel (56) in the component, wherein a recess (51) for the component is open on the switch element the blocking element (55a, 55b, 55c) is arranged,
characterized,
in that at least three blocking elements (55a, 55b, 55c) each guided in a separate channel (56) are provided, wherein the channels (56) are inclined with respect to a plane (E) perpendicularly intersecting the axis (A), and wherein the channels ( 56) partially cut an axial projection of the switching member (34) and in the overlapping regions (59) to the switching member (34) are open and wherein the channels (56) for axial projection of the switching member (34) extend in the manner of a secant.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102007000303A DE102007000303A1 (en) | 2007-06-01 | 2007-06-01 | Positioning device with tripping mediation for a hand-held setting tool |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1997589A1 true EP1997589A1 (en) | 2008-12-03 |
EP1997589B1 EP1997589B1 (en) | 2010-02-24 |
Family
ID=39731283
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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EP08103884A Active EP1997589B1 (en) | 2007-06-01 | 2008-05-09 | Positioning device with activation switching for a hand-held dibble device |
Country Status (6)
Country | Link |
---|---|
US (1) | US7913888B2 (en) |
EP (1) | EP1997589B1 (en) |
JP (1) | JP5336771B2 (en) |
CN (1) | CN101314218B (en) |
DE (2) | DE102007000303A1 (en) |
ES (1) | ES2340639T3 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010123654A1 (en) * | 2009-04-23 | 2010-10-28 | Illinois Tool Works Inc. | Fastener actuation system |
US8915414B2 (en) | 2012-02-10 | 2014-12-23 | Illinois Tool Works Inc. | Combustion fastener tool with lockout mechanism |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8397968B2 (en) * | 2008-02-27 | 2013-03-19 | Black & Decker Inc. | Setting tool arrangement |
US20090211403A1 (en) * | 2008-02-27 | 2009-08-27 | Powers Fasteners, Inc. | Setting tool arrangement |
US10926389B2 (en) * | 2018-07-31 | 2021-02-23 | Chung-Heng Lee | Powder-actuated tool |
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US7014085B2 (en) | 2003-07-16 | 2006-03-21 | Cetram Pty Limited | Explosively actuated tools |
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US443747A (en) * | 1890-12-30 | Albert yon derschait | ||
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US953279A (en) * | 1910-02-02 | 1910-03-29 | Robert A Moore | Trigger-controller. |
US2041661A (en) * | 1935-03-25 | 1936-05-19 | Alphonse Lavallee | Safety release mechanism for firearms |
US2273204A (en) * | 1940-03-21 | 1942-02-17 | Herman J Kneubuehl | Safety mechanism for firearms |
US3081998A (en) * | 1958-11-25 | 1963-03-19 | Weiss Irving | Toy gun |
JPH0739562Y2 (en) * | 1990-09-27 | 1995-09-13 | 一雄 柏原 | Tool switch remote control mechanism |
JPH079361A (en) * | 1993-06-29 | 1995-01-13 | Makita Corp | Single and continuous driving switchover mechanism in nail feeding device |
US5425488A (en) * | 1993-11-05 | 1995-06-20 | Thompson William J | Impact actuated tool for driving fasteners |
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US7213359B2 (en) * | 2002-03-26 | 2007-05-08 | Fabbrica D'armi Pietro Beretta S.P.A | Additional safety device for sear mechanism for firearms |
DE10346985B4 (en) * | 2003-10-09 | 2006-05-04 | Hilti Ag | Hand-operated setting tool |
US7258261B1 (en) * | 2005-09-02 | 2007-08-21 | Reynaldo Reyes | Nail gun extension and actuating apparatus |
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DE102006035370A1 (en) * | 2006-10-27 | 2008-04-30 | Hilti Ag | Hand-operated tacker for driving e.g. nail, in workpiece, has pressing unit provided with spring unit, whose spring force is changeable to vector of gravitational force depending on spatial orientation of pressing unit |
DE102007000302A1 (en) * | 2007-06-01 | 2008-12-04 | Hilti Aktiengesellschaft | Hand-held setting tool with connection for a positioning device |
-
2007
- 2007-06-01 DE DE102007000303A patent/DE102007000303A1/en not_active Withdrawn
-
2008
- 2008-05-09 ES ES08103884T patent/ES2340639T3/en active Active
- 2008-05-09 DE DE502008000391T patent/DE502008000391D1/en active Active
- 2008-05-09 EP EP08103884A patent/EP1997589B1/en active Active
- 2008-05-29 CN CN200810099839XA patent/CN101314218B/en active Active
- 2008-05-29 US US12/156,190 patent/US7913888B2/en active Active
- 2008-05-30 JP JP2008142256A patent/JP5336771B2/en active Active
Patent Citations (2)
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US4479599A (en) | 1982-09-30 | 1984-10-30 | Conrad James R | Positioning and firing device for explosive-actuated tools |
US7014085B2 (en) | 2003-07-16 | 2006-03-21 | Cetram Pty Limited | Explosively actuated tools |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010123654A1 (en) * | 2009-04-23 | 2010-10-28 | Illinois Tool Works Inc. | Fastener actuation system |
US7896210B2 (en) | 2009-04-23 | 2011-03-01 | Illinois Tool Works Inc. | Fastener actuation system |
US8915414B2 (en) | 2012-02-10 | 2014-12-23 | Illinois Tool Works Inc. | Combustion fastener tool with lockout mechanism |
Also Published As
Publication number | Publication date |
---|---|
EP1997589B1 (en) | 2010-02-24 |
US7913888B2 (en) | 2011-03-29 |
ES2340639T3 (en) | 2010-06-07 |
CN101314218B (en) | 2011-08-03 |
CN101314218A (en) | 2008-12-03 |
DE102007000303A1 (en) | 2008-12-04 |
US20080296338A1 (en) | 2008-12-04 |
JP2008296364A (en) | 2008-12-11 |
JP5336771B2 (en) | 2013-11-06 |
DE502008000391D1 (en) | 2010-04-08 |
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