EP1731265B1 - Fastener feeding device for fastener driving power tools - Google Patents
Fastener feeding device for fastener driving power tools Download PDFInfo
- Publication number
- EP1731265B1 EP1731265B1 EP20060114166 EP06114166A EP1731265B1 EP 1731265 B1 EP1731265 B1 EP 1731265B1 EP 20060114166 EP20060114166 EP 20060114166 EP 06114166 A EP06114166 A EP 06114166A EP 1731265 B1 EP1731265 B1 EP 1731265B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- locking
- guide
- fastener
- feeding device
- elements
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000010168 coupling process Methods 0.000 claims description 24
- 238000005859 coupling reaction Methods 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 15
- 230000000694 effects Effects 0.000 claims description 2
- 230000004308 accommodation Effects 0.000 claims 4
- 230000000903 blocking effect Effects 0.000 description 6
- 230000013011 mating Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 230000007723 transport mechanism Effects 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B23/00—Details of, or accessories for, spanners, wrenches, screwdrivers
- B25B23/02—Arrangements for handling screws or nuts
- B25B23/04—Arrangements for handling screws or nuts for feeding screws or nuts
Definitions
- the present invention relates to a fastener-feeding device for a power driven tacker referred to in the preamble of claim 1.
- Such a device is from the US 2001 005 0465 A known.
- Such fastener feeders for powered tackers such.
- B. screwdrivers for example, are designed as pure fastener magazines or as extension devices.
- a ringenzukgworm adopted for a driving or bobrace which can be arranged with a main body via a clamping ring on a flange of a screwdriver.
- a run of the screw feed device is arranged with a tubular part displaceable on the first unit.
- a lever element is arranged with an eccentric over which a two ends of the clamping ring passing through screw to reduce the diameter of the clamping ring can be stretched.
- the screwdriver has a holding projection, on whose outer circumference a circumferential recess is arranged.
- a fastening sleeve of the fastener feeding device can be held, which is fixedly arranged in a housing of the fastener feeding device.
- the fastening sleeve has two opposing openings in which clamping blocks are guided radially displaceable. Outside of the mounting sleeve around a locking sleeve is pivotable mounted, which has internal circumferential grooves for the clamping blocks.
- the clamping blocks By pivoting the locking collar, the clamping blocks can be reversibly converted into a blocking position in which the clamping blocks are connected via clamping surfaces both with the recesses on the holding projection and with the circumferential grooves.
- a detent sleeve with spring fingers is used only for holding the locking sleeve on the mounting sleeve.
- a disadvantage of this solution is the large number of components required for the connection device.
- the object of the present invention is to provide a fastener supply device which avoids the mentioned disadvantages and which is easy to handle.
- the at least one blocking element is acted upon elastically by a spring element in the direction of its locking position and has an externally accessible actuating section for the manual transfer of the blocking element from its locking position into its release position.
- the blocking element can be automatically transferred via the spring element in its locking position and only needs to be manually transferred to the release position.
- the arrangement of the actuating portion directly to the blocking element can also reduce the number of components of the locking device and thus the assembly effort.
- two locking elements are present, which lead each other and are mutually displaceable.
- an unintentional release is prevented because both locking elements must be actuated to release the fastener feeding device of the tacker.
- the locking elements are U-shaped, wherein in each case a first U-leg as a guide bush and a second U-leg is designed as a guide pin and the guide pin of a respective locking element in the guide bushing of the other locking element slidably is guided.
- the locking elements lead each other and at the same time embrace the receiving space, creating a simple easy-to-install locking device is created.
- the locking portions of the locking elements are each arranged on the guide pins receiving ends of the guide bushes, wherein the locking portions protrude arcuately from the guide bushes and embracing the receiving space for the counter-coupling portion partially.
- a good kinematics is achieved because the locking portions are under tensile load of the spring elements.
- FIGS. 1 to 4 show a designated generally with 10 fastener supply means according to the invention which is releasably fixed with a coupling portion 14 on a counter-coupling portion 41 formed as a retaining projection of a shown in the figures only with its tool-side end, power driven Eintreib mars 40.
- the partially reproduced power driven tacker 40 is designed as an electrically operated screwdriver.
- the coupling portion 14 has for this purpose a receiving space 17 into which the counter-coupling portion 41 of the tacker 40 can be inserted.
- the fastener supply device 10 is not a screw magazine with integrated transport mechanism 16 for the transport of a in the figures formed screw magazine strip formed.
- the fastener-feeding device 10 designed as a screwing Eintreibtechnik Weg 13 is guided, which can be rotatably actuated via the power driven tacker 40 and this is coupled with a tool holder 42 of the tacker 40.
- the driving tool 13 defines a tool axis A.
- the fastener supply device 10 has a guide unit 11 which includes the coupling portion 14 and which is formed here as a guide housing, and a carriage unit 12 which is held displaceably on the guide unit 11 in the direction of the tool axis A.
- the guide unit 11 carries the transport mechanism 16 and guides the screw magazine strip. Furthermore, the guide unit 11 has a stop 15 with which the fastener-feeding device 10 can be attached to a substrate for carrying out a driving operation.
- a generally designated 20 locking mechanism is arranged on the coupling portion 14, which is formed as a coupling sleeve which can receive the counter-coupling portion 41.
- This locking mechanism 20 has a first locking element 21 and a second locking element 22, which together enclose the tool axis A.
- Each of the locking elements 21, 22 is approximately U-shaped, wherein in each case a U-leg of the locking elements 21, 22 has a cylindrical guide bushing 26 and a protruding at the end of the guide bush 26 arcuate locking portion 23.
- the locking portions 23 are bent away from the guide bush 26 in the circumferential direction about the tool axis A in each case a bit far.
- a spring element 25 is arranged in each case and a guide pin 27 of the respective other blocking element 21, 22 guided axially movable.
- the guide pins 27 are acted upon in the direction of the guide bush 26 out elastically.
- both locking elements 21, 22 are pressed apart, wherein the movement path is limited by the guide unit 11, the area serves as a stop for the locking elements 21, 22.
- actuating portions 24 are formed, the wall of the guide unit 11 and the housing enforce and manually operated from the outside.
- the actuating portions 24 and the respective locking elements 21, 22 are rigidly connected or integrally formed.
- the actuating portions 24 of the locking elements 21, 22 are pressed manually in the direction of the tool axis A in the guide unit 11 and in the guide housing.
- the guide pins 27 move into the guide bushes 26 against the force of the spring elements 25, wherein the locking portions 23 are each moved out of the recess 43 on the mating coupling portion 41 until the mating coupling portion 41 of the tacker 40 are moved out of the coupling portion 14 of the fastener supply device 10 can.
- the locking portions 23 are then outside the receiving space 17th
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Portable Nailing Machines And Staplers (AREA)
- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
Die vorliegende Erfindung betrifft eine Befestigungsmittel-Zuführeinrichtung für ein kraftbetriebenes Eintreibgerät der im Oberbegriff von Patentanspruch 1 genannten Art.The present invention relates to a fastener-feeding device for a power driven tacker referred to in the preamble of claim 1. Art.
Ein derartiges Gerät ist aus der
Derartige Befestigungsmittel-Zuführeinrichtungen für kraftbetriebene Eintreibgeräte, wie z. B. Schraubgeräte, sind beispielsweise als reine Befestigungselementemagazine oder auch als Verlängerungsvorrichtungen ausgebildet.Such fastener feeders for powered tackers, such. B. screwdrivers, for example, are designed as pure fastener magazines or as extension devices.
Aus der
Von Nachteil hierbei ist, dass zum Lösen des Hebels je nach Vorspannung der Schraube eine recht hohe Kraft aufgebracht werden muss. Weiterhin ist ein derartiger Klemmring verschleiss- und alterungsanfällig.The disadvantage here is that to release the lever depending on the bias of the screw a fairly high force must be applied. Furthermore, such a clamping ring is susceptible to wear and aging.
Aus der
Von Nachteil bei dieser Lösung ist die grosse Anzahl der für die Verbindungseinrichtung benötigten Bauteile.A disadvantage of this solution is the large number of components required for the connection device.
Die Aufgabe der vorliegenden Erfindung liegt darin, eine Befestigungselemente-Zuführeinrichtung zur Verfügung zu stellen, die die genannten Nachteile vermeidet und die leicht zu handhaben ist.The object of the present invention is to provide a fastener supply device which avoids the mentioned disadvantages and which is easy to handle.
Diese Aufgabe wird erfindungsgemäss durch die in Anspruch 1 genannten Massnahmen erreicht.This object is achieved according to the invention by the measures mentioned in claim 1.
Demnach ist das wenigstens eine Sperrelement über ein Federelement in Richtung auf seine Verriegelungsstellung elastisch beaufschlagt und weist einen aussen zugänglichen Betätigungsabschnitt zur manuellen Überführung des Sperrelementes aus seiner Verriegelungsstellung in seine Freigabestellung auf. Durch diese Massnahme kann das Sperrelement über das Federelement automatisch in seine Verriegelungsstellung überführt werden und muss nur noch manuell in die Freigabestellung überführt werden. Durch die Anordnung des Betätigungsabschnitts direkt an dem Sperrelement lässt sich ferner die Anzahl der Bauteile der Sperreinrichtung und damit der Montageaufwand reduzieren.Accordingly, the at least one blocking element is acted upon elastically by a spring element in the direction of its locking position and has an externally accessible actuating section for the manual transfer of the blocking element from its locking position into its release position. By this measure, the blocking element can be automatically transferred via the spring element in its locking position and only needs to be manually transferred to the release position. The arrangement of the actuating portion directly to the blocking element can also reduce the number of components of the locking device and thus the assembly effort.
Vorteilhaft sind zwei Sperrelemente vorhanden, die sich gegenseitig führen und zueinander versetzbar sind. Durch diese Massnahme wird ein unbeabsichtigtes Lösen verhindert, da beide Sperrelemente betätigt werden müssen, um die Befestigungselemente-Zuführeinrichtung von dem Eintreibgerät zu lösen.Advantageously, two locking elements are present, which lead each other and are mutually displaceable. By this measure, an unintentional release is prevented because both locking elements must be actuated to release the fastener feeding device of the tacker.
Von Vorteil kann es dabei sein, wenn die Sperrelemente U-förmig ausgebildet sind, wobei jeweils ein erster U-Schenkel als Führungsbuchse und ein zweiter U-Schenkel als Führungsstift ausgebildet ist und der Führungsstift des jeweils einen Sperrelementes in der Führungsbuchse des jeweils anderen Sperrelementes verschieblich geführt ist. Durch diese Massnahme führen sich die Sperrelemente gegenseitig und umfangen dabei gleichzeitig den Aufnahmeraum, wodurch eine einfache leicht montierbare Sperreinrichtung geschaffen wird.It may be advantageous if the locking elements are U-shaped, wherein in each case a first U-leg as a guide bush and a second U-leg is designed as a guide pin and the guide pin of a respective locking element in the guide bushing of the other locking element slidably is guided. By this measure, the locking elements lead each other and at the same time embrace the receiving space, creating a simple easy-to-install locking device is created.
Günstig ist es ferner, wenn zwei Federelemente vorhanden sind, die jeweils in einer Führungsbuchse angeordnet sind, wobei die Federelemente die Führungsbuchsen gegen die Führungsstifte abstützen. Es braucht dadurch kein zusätzlicher Bauraum für die Federelemente vorgesehen werden.It is also favorable if two spring elements are present, which are each arranged in a guide bush, wherein the spring elements support the guide bushes against the guide pins. There is no need to provide additional space for the spring elements.
Vorteilhaft sind die Sperrabschnitte der Sperrelemente jeweils an den die Führungsstifte aufnehmenden Enden der Führungsbuchsen angeordnet, wobei die Sperrabschnitte bogenförmig von den Führungsbuchsen abragen und den Aufnahmeraum für den Gegenkupplungsabschnitt bereichsweise umfangen. Hierdurch wird eine gute Kinematik erreicht, da die Sperrabschnitte unter Zugbelastung der Federelemente stehen.Advantageously, the locking portions of the locking elements are each arranged on the guide pins receiving ends of the guide bushes, wherein the locking portions protrude arcuately from the guide bushes and embracing the receiving space for the counter-coupling portion partially. As a result, a good kinematics is achieved because the locking portions are under tensile load of the spring elements.
Weitere Vorteile und Massnahmen der Erfindung ergeben sich aus den Unteransprüchen, der nachfolgenden Beschreibung und den Zeichnungen. In den Zeichnungen ist die Erfindung in einem Ausführungsbeispiel dargestellt.Further advantages and measures of the invention will become apparent from the dependent claims, the following description and the drawings. In the drawings, the invention is shown in one embodiment.
Es zeigen:
- Fig. 1
- eine Befestigungsmittel-Zuführeinrichtung an einem Eintreibgerät in Seitenansicht,
- Fig. 2
- die Befestigungsmittel-Zuführeinrichtung aus
Fig. 1 in teilweise längs-geschnittener Ansicht, - Fig. 3
- einen Querschnitt durch die Befestigungsmittel-Zuführeinrichtung gemäss der Linie III ― III aus
Fig. 2 mit der Sperreinrichtung in ihrer Verriegelungsstellung, - Fig. 4
- einen Querschnitt durch die Befestigungsmittel-Zuführeinrichtung entsprechend
Fig. 3 mit der Sperreinrichtung in ihrer Freigabestellung.
- Fig. 1
- a fastener supply device on a tacker in side view,
- Fig. 2
- the fastener supply from
Fig. 1 in a partly longitudinal-cut view, - Fig. 3
- a cross section through the fastener supply device according to the line III - III
Fig. 2 with the locking device in its locking position, - Fig. 4
- a cross section through the fastener supply device accordingly
Fig. 3 with the locking device in its release position.
Die
Die Befestigungsmittel-Zuführeinrichtung 10 weist eine Führungseinheit 11, die den Kupplungsabschnitt 14 beinhaltet und die hier als Führungsgehäuse ausgebildet ist, und eine Schlitteneinheit 12, die in Richtung der Werkzeugachse A verschieblich an der Führungseinheit 11 gehalten ist, auf. Die Führungseinheit 11 trägt den Transportmechanismus 16 und führt den Schraubenmagazinstreifen. Ferner weist die Führungseinheit 11 einen Anschlag 15 auf, mit dem die Befestigungsmittel-Zuführeinrichtung 10 zur Durchführung eines Eintreibvorganges an einen Untergrund ansetzbar ist.The
An dem Kupplungsabschnitt 14, der als Kupplungshülse ausgebildet ist, die den Gegenkupplungsabschnitt 41 aufnehmen kann, ist ein insgesamt mit 20 bezeichneter Sperrmechanismus angeordnet. Dieser Sperrmechanismus 20 weist ein erstes Sperrelement 21 und ein zweites Sperrelement 22 auf, die zusammen die Werkzeugachse A umfangen. Jedes der Sperrelemente 21, 22 ist annähernd U-förmig ausgebildet wobei jeweils ein U-Schenkel der Sperrelemente 21, 22 eine zylindrische Führungsbuchse 26 und einen am Ende der Führungsbuchse 26 abragenden bogenförmigen Sperrabschnitt 23 aufweist. Die Sperrabschnitte 23 sind dabei jeweils noch ein Stückweit von der Führungsbuchse 26 in Umfangsrichtung um die Werkzeugachse A herum weggebogen. In der Führungsbuchse 26 ist jeweils ein Federelement 25 angeordnet und ein Führungsstift 27 des jeweils anderen Sperrelementes 21, 22 axial beweglich geführt. Über die Federelemente 25 werden die Führungsstifte 27 in Richtung aus der Führungsbuchse 26 heraus elastisch beaufschlagt. Hierdurch werden beide Sperrelemente 21, 22 auseinandergedrückt, wobei der Bewegungsweg von der Führungseinheit 11 begrenzt wird, die bereichsweise als Anschlag für die Sperrelemente 21, 22 dient. Ist die Befestigungsmittel-Zuführeinrichtung 10 mit ihrem Kupplungsabschnitt 14, wie in den
An den Sperrelementen 21, 22 sind jeweils an der Basis zwischen dem U-Schenkel, der die Führungsbuchse 26 bildet, und dem U-Schenkel, der den Führungsstift 27 bildet, noch Betätigungsabschnitte 24 ausgebildet, die die Wand der Führungseinheit 11 bzw. des Gehäuses durchsetzen und von aussen manuell betätigt werden können. Die Betätigungsabschnitte 24 und die jeweiligen Sperrelemente 21, 22 sind dabei starr miteinander verbunden oder einteilig ausgebildet.At the
Zum Überführen der Sperrelemente 21, 22 von der Verriegelungsstellung 28 in eine aus
Werden die Betätigungsabschnitte von einem Anwender wieder freigegeben bzw. losgelassen, dann fahren die Sperrelemente 21, 22 unter der auf sie einwirkenden Kraft der Federelemente 25 wieder auseinander, wobei sich die Sperrabschnitte 23 wieder auf die Werkzeugachse A zu bewegen.If the operating sections are released or released again by a user, then the locking
Um ein Verdrehen der Befestigungsmittel-Zuführeinrichtung 10 bei an dem Eintreibgerät 40 angekuppeltem Zustand zu verhindern, können noch Vorsprünge und korrespondierende Nuten am Kupplungsabschnitt und dem Gegenkupplungsabschnitt vorgesehen sein, die in Richtung der Werkzeugachse A verlaufen und die in gekuppeltem Zustand miteinander verzahnt sind. Alternativ können anstelle einer umlaufenden Vertiefung auch mehrere Vertiefungen vorgesehen sein, die in ihrer Anzahl und Länge in Umfangsrichtung des Gegenkupplungsabschnittes den Sperrabschnitten 23 entsprechen und so in gekuppeltem Zustand eine Verzahnung bewirken.In order to prevent twisting of the fastener-
Claims (4)
- Fastener feeding device for a fastener driving power tool, which has a coupling section (14), which has a accommodation area (17) for a counter coupling section (41) of the power tool (40),
in which at least one locking element (21, 22) with a locking section (23) is arranged on the coupling section (14) so that it may be displaced between a locking position (28), in which it projects into the accommodation area (17) with its locking section (23) and may be made to engage with a recess (43) on the counter coupling section (41) with a locking effect, and a release position (29), in which it is disengaged from the accommodation area (17) with its locking section (23), in which two locking elements (21, 22) are elastically loaded by a spring element (25) in the direction of their locking positions (28) and have an actuating section (24) accessible from outside for manual transfer of the locking elements (21, 22) from their locking positions (28) into their release positions (29), characterised in that the two locking elements (21, 22) guide each other and may be displaced with reference to each other. - Fastener feeding device according to claim 1, characterised in that the locking elements (21, 22) are made in the shape of a U, in which a first side of the U is made as a guide bushing (26) and a second side of the U is made as a guide pin (27) and the guide pin (27) of one locking element (21, 22) is guided in the guide bushing (26) of the other locking element (22, 21) in a moveable way.
- Fastener feeding device according to claim 2, characterised in that there are two spring elements (25), which are arranged in a guide bushing (26) and support the guide bushings (26) against the guide pins (27).
- Fastener feeding device according to one of claims 2 to 3, characterised in that the locking sections (23) are arranged on the ends of the guide bushings (26) accommodating the guide pins (27), in which the locking sections (23) project from the guide bushings (26) in the shape of an arch and surround the accommodation area (17) for the counter coupling section (41) in certain areas.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE200510000068 DE102005000068A1 (en) | 2005-05-30 | 2005-05-30 | Fixture supply system includes coupling section with receiver chamber and has locking section with locking element that can be in adjustment position or free-standing position |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1731265A2 EP1731265A2 (en) | 2006-12-13 |
EP1731265A3 EP1731265A3 (en) | 2010-05-12 |
EP1731265B1 true EP1731265B1 (en) | 2011-12-14 |
Family
ID=36847633
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP20060114166 Active EP1731265B1 (en) | 2005-05-30 | 2006-05-18 | Fastener feeding device for fastener driving power tools |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1731265B1 (en) |
JP (1) | JP4955308B2 (en) |
DE (1) | DE102005000068A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102950565B (en) * | 2011-08-20 | 2015-07-01 | 苏州宝时得电动工具有限公司 | Screw support device and screw tool assembled with screw support device |
JP6024567B2 (en) * | 2013-04-01 | 2016-11-16 | マックス株式会社 | tool |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0486172U (en) * | 1990-11-30 | 1992-07-27 | ||
JPH09109053A (en) * | 1995-10-20 | 1997-04-28 | Hitachi Koki Co Ltd | Feeder assembly slip-off stop structure for power tool |
AU9384598A (en) * | 1997-09-12 | 1999-04-05 | David J. Buzzeo | Powered-operated screwdriving device |
US6688611B2 (en) * | 1997-12-12 | 2004-02-10 | Black & Decker Inc. | Removable chuck |
US20040099105A1 (en) | 2002-11-26 | 2004-05-27 | Lai Chun-Chih | Screw bit replacing device |
US7134367B2 (en) | 2002-12-09 | 2006-11-14 | Milwaukee Electric Tool Corporation | Fastener feeding system |
US20050279517A1 (en) * | 2004-06-21 | 2005-12-22 | Hoffman William H | Screw driving apparatus with attachable and detachable nose sub-assembly for use with single-feed screws or for use with automatic-feed collated screws |
-
2005
- 2005-05-30 DE DE200510000068 patent/DE102005000068A1/en not_active Withdrawn
-
2006
- 2006-05-18 EP EP20060114166 patent/EP1731265B1/en active Active
- 2006-05-30 JP JP2006150025A patent/JP4955308B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
EP1731265A2 (en) | 2006-12-13 |
JP2006341369A (en) | 2006-12-21 |
DE102005000068A1 (en) | 2006-12-07 |
EP1731265A3 (en) | 2010-05-12 |
JP4955308B2 (en) | 2012-06-20 |
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