EP1031067A1 - Uhr mit schneller zeiteinstellung mittels einer drucktaste - Google Patents
Uhr mit schneller zeiteinstellung mittels einer drucktasteInfo
- Publication number
- EP1031067A1 EP1031067A1 EP98951152A EP98951152A EP1031067A1 EP 1031067 A1 EP1031067 A1 EP 1031067A1 EP 98951152 A EP98951152 A EP 98951152A EP 98951152 A EP98951152 A EP 98951152A EP 1031067 A1 EP1031067 A1 EP 1031067A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- time
- hand
- setting
- watch
- pusher
- 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.)
- Withdrawn
Links
Classifications
-
- G—PHYSICS
- G04—HOROLOGY
- G04B—MECHANICALLY-DRIVEN CLOCKS OR WATCHES; MECHANICAL PARTS OF CLOCKS OR WATCHES IN GENERAL; TIME PIECES USING THE POSITION OF THE SUN, MOON OR STARS
- G04B27/00—Mechanical devices for setting the time indicating means
- G04B27/005—Mechanical devices for setting the time indicating means stepwise or on determined values
Definitions
- the present invention relates to a watch comprising a rapid correction mechanism provided with a push-button for adjusting the position of a hand in response to a time signal, such as that broadcast by radio stations.
- a mechanism of this type is described in patent CH 513,450.
- a pressure applied to a push button controls a hammer which, at the end of its travel, pushes two cams mounted one on the seconds axis, the other on the minutes axis. These axes are then rotated to a reference position which corresponds to the hours broadcast in the form of time signals by radio stations, for example. More specifically, the seconds hand is brought to the zero position while the minutes hand can be driven to four distinct positions, corresponding to quarter-hours.
- This solution makes it possible to considerably simplify the correction of the state of a mechanical watch, the operation being limited to pressing a push-button, in synchronism with a time signal.
- the application of long-term pressure on the pusher may cause the watch to stop.
- the pendulum must be restarted.
- the watch is not perfectly reset to the time but may delay because of the time required to restart the balance.
- the watch according to the invention is of the type comprising a rapid correction mechanism, provided with a push-button, for adjusting the position of at least one hand in response to a time signal and a setting mechanism.
- a rapid correction mechanism provided with a push-button
- hour provided with a time-setting rod with a crown, the organs of which can occupy a first position, called the rest position, in which the said rod is pressed and at least a second position, known as the correction position, in which the rod is pulled.
- This watch is characterized in that the rapid correction mechanism and the time-setting mechanism are arranged to cooperate with each other so that a pressure on the pusher brings the organs of the setting mechanism time from correction position to rest position.
- the rapid correction mechanism comprises a control member arranged so that it cooperates with the zipper, driving with it the rod setting the time from the pulled position to the pushed position during the rapid correction operation.
- the watch comprises a cam secured to the second hand, while the rapid correction mechanism comprises a movable part cooperating with said cam to effect the adjustment of the second hand under the action of a pressure. exerted on the pusher, and a detent mechanism interposed between the pusher and the moving part.
- the watch includes a cam integral with the roadway carrying the minute hand, while the moving part of the rapid correction mechanism simultaneously controls the two cams to simultaneously set the time of the hand seconds and that of the minute hand.
- the rapid correction mechanism comprises two complementary pivoting parts, interposed between the pusher and the moving part of said mechanism, while the detent mechanism comprises an elastic element and a stop carried by one of the pivoting parts and a finger carried by the other swivel piece.
- Figures 1, 2 and 3 show, seen in plan, respectively in the rest position, in the intermediate position and in the correction position, a rapid correction mechanism fitted to a watch according to the invention
- Figure 4 shows a conventional time setting mechanism fitted to the watch according to the invention
- FIG. 5 shows the way in which the rapid correction and time-setting mechanisms cooperate
- Figures 6a and 6b illustrate, in section, a part of the watch in the position shown in Figure 3, respectively along lines a-a and b-b.
- the watch part shown in the drawing notably comprises a box 1, a frame 2, a conventional time-setting mechanism 3 (fig. 4), a rapid correction mechanism 4 (fig. 1 to 3) as well as a cog 5 (f ⁇ g.6).
- the case 1 comprises a middle part 10 pierced with two radial holes 100 and 101, the first of which serves as a slide for a push-piece 11 and the second for a time-setting rod 12.
- the pusher 11 comprises a head 110, an axis 111 engaged in the middle part 10 as well as a seal 112, interposed between the axis 111 and the wall of the hole 100, serving to prevent foreign bodies from entering the box 1.
- the axis 111 carries the head 110 at its outer end.
- the time-setting rod 12 comprises a crown 120, a threaded part 121, on which the crown 120 is screwed, two grooves 122 and 123, a square 124 and a pivot 125.
- This rod is slidably engaged in the radial hole 101 of the middle part 10. It also carries a seal 126 engaged in the groove 123.
- the frame 2 is more particularly shown in FIGS. 1 and 6. It serves as a support for the various components of the watch movement, and more particularly for the mechanisms 3 and 4, as well as for the gear train 5. It notably comprises a plate 20, a gear train bridge 21 (fig. 6) and a bridge 22 for a rapid correction mechanism. The bridges 21 and 22 are fixed to the plate 20 by means of screws not shown in the drawing.
- the functions of the conventional time-setting mechanism 3, shown in FIG. 4, are provided by a pull tab 30, a rocker 31, both pivotally mounted in the plate 20, not shown in this figure, a jumper spring 32, a sliding pinion 33 and a winding pinion 34.
- This mechanism can occupy three positions.
- the first allows to wind the barrel spring. It is shown in Figure 4.
- the second position corrects the date display and the third displays the time. These last two positions are not shown in the drawing.
- the pull tab 30 comprises a first pin 300, an arm 301, a finger 302 and a second pin 303.
- the pin 300 crosses the plate 20 and acts as a pivot for the pull tab 30.
- the arm 301 is engaged in the groove 122 of the time-setting rod 12.
- the finger 302 drives the rocker 31 while the pin 303 cooperates with the jumper spring 32 to ensure the positioning of the pull tab 30.
- the lever 31 ensures the displacement of the sliding pinion 33 by means of a grain of barley 310. It is further provided with a pin 311 cooperating with the jumper spring 32 and two bosses 312 and 313. These bosses define, in cooperation with the finger 302, the three positions occupied by the lever 31 during the correction operations.
- the jumper spring 32 cooperates, as explained above, with the pin 303 of the pull tab 30 to define, by notches, the positions that the latter can occupy. More specifically, the jumper spring 32 comprises a first elastic arm 320, the free end of which is provided with three notches defining three correction positions. It has a second arm 321 bearing on it against the pin 311 to keep the rocker 31 in abutment against the pull tab 30.
- the sliding pinion 33 is slidably mounted on the square 124. It is driven along the axis of the time-setting rod 12 by the barley grain 310 of the lever 31, engaged in a groove 330, and in rotation by the square 124. It comprises, at one of its ends, a gear 331 of the Breguet type and, at the other, a song toothing 332 which meshes in the time setting position with a setting reference the time, not shown in the drawing.
- the winding pinion 34 is pivotally mounted on the time-setting rod 12. It also includes a Breguet toothing 340 and cooperates with the Breguet toothing 331 to reassemble the barrel (not shown) when the setting rod hour 12 is in the depressed position.
- the rapid correction mechanism 4 shown in FIGS. 1 to 3, comprises two rockers 40 and 41, a hammer 42, and three springs bearing the references 43, 44 and 45, which position the rockers 40 and 41 and the hammer 42 respectively.
- the flip-flop 40 has a general shape of a right triangle. It is pivotally mounted on a tenon 220 of the bridge 22, the pivot point being located at the corner formed by the hypotenuse and the smallest side of the triangle. It comprises a folding 400 made in the short side and which extends up to the height of the axis 111. It is provided, on its underside, with a pin 401 housed at the corner defined by the hypotenuse and the long side of the right triangle.
- the lever 40 is positioned by the return spring 43 in abutment against a boss 402 which has the side forming the hypotenuse of the triangle.
- the spring 43 generates a force which keeps the long side in abutment against a pin 221 carried by the bridge 22.
- the rocker 41 is of general rhomboid shape, defined by the juxtaposition of two isosceles triangles. The first has equal sides significantly larger than the base while the equal sides of the second are slightly smaller than the base. The latter is common to the two triangles.
- the lever 41 is pivotally mounted by means of a pin 410, placed in the vicinity of one of the angles of the rhomboid, substantially aligned on the base common to the two isosceles triangles.
- the pin 410 crosses and protrudes from the lever 41 on its two faces. It is engaged, on the plate side, in a hole in the latter, not shown in the drawing. It is provided, on the opposite side, with a slot in which a rebound spring 411 is riveted, welded or glued. The latter extends on the rocker 41, in a direction substantially coincident with the base of the triangles, until beyond a pin 412 also fixed to the rocker 41.
- the spring 411 is pressed against the pin 412 in its part oriented towards the second triangle of the rhomboid. They together form a trigger mechanism.
- the top of the first isosceles triangle is provided with a head with a boss 413 and a nose 414.
- the side of the second triangle adjacent to the pin 410 carries in the upper third a pin 415 which cooperates with the spring 44 fixed on the bridge 22 by means schematically represented in 440.
- the spring 44 keeps the rocker 41 at rest in abutment against a stop 200 mounted on the plate 20.
- the rocker 41 further comprises, on its face on the plate side, a pin 416 whose function will be specified later.
- the hammer 42 is pivotally mounted on a tenon 201 integral with the plate 20. It comprises a first part 420 in which the pivoting hole is drilled. One of the sides carries a boss 421 against which the spring 45 bears.
- the spring 45 is mounted on the plate 20 by means schematically represented at 450 and generates a force holding, at rest, the hammer 42 in abutment against a stop 202 secured to the plate 20.
- a second part 422, bent in a U, extends the first part, the arms of the U being substantially perpendicular to the first part.
- the tops of the arms each have an inclined plane making an angle of approximately 45 ° with the respective arms of the U and bearing the references 423 and 424.
- the hammer 42 further comprises a boss 425, in the zone connecting the first part 420 and the second part 422, on the side opposite to the inclined plane 423. This boss 425 cooperates with the boss 413 of the rocker 41 to control the movement hammer 42.
- the base of the U is extended by a finger 426 which limits the movements of the hammer 42 by cooperating, on the one hand, with the stop 202 when the hammer is at rest and, on the other hand, with a pin 203, also carried by the plate 20 and serving as a stop, at the end of the stroke of the hammer 42.
- the first part 420 further comprises, on the side opposite to the boss 421, a protuberance 427 which cooperates with the nose 414 so that the hammer 42 cannot leave its rest position untimely, under the effect of a shock for example.
- the gear train 5 of the watch comprises in particular a mobile of high average 50, a mobile of average 51 and a mobile of seconds 52, all belonging to the gear train . It further comprises a timer mobile 53, a carriageway 54, a cannon wheel 55 and a cam wheel 56.
- the large medium mobile 50 is off-center. It comprises an axis 500 provided with a pinion and a toothed wheel. A complementary pinion 501 is frictionally mounted on the axis 500. This comprises a toothing meshing with the timer mobile 53.
- the medium mobile 51 is driven by the wheel of the large medium mobile 50. It also includes a wheel and a pinion.
- the seconds mobile 52 is off-center in the movement and comprises an axis 520 with a cap 521, frictionally mounted on the axis 520.
- the latter is provided with a pinion 522 driven by the medium wheel 51.
- the cap 521 carries a second hand 523 and a cam 524, called commonly heart.
- the cam 524 is located at the level of the hammer 42, in the vicinity of the inclined plane 424 (FIGS. 1 to 3).
- the timer mobile 53 is pivotally mounted on a tenon 204 of the plate 20. It comprises a pinion 530 and a wheel 531.
- the pinion meshes with the barrel wheel 55, while the wheel 531 is driven by the complementary pinion 501 and drives, on the one hand, the roadway 54 and, on the other hand, the cam wheel 56.
- the carriageway 54 is pivotally mounted on a center tube 205 riveted on the plate 20 at the center of the movement. It has a toothing 540 which meshes with the timer wheel 531. It carries, at its end opposite to the toothing 540, a minute hand 542.
- the cannon wheel 55 is pivotally mounted on the carriageway 54. Its teeth mesh with the timer pinion 530. It carries, on the side opposite its teeth, an hour hand 550.
- the cam wheel 56 is pivotally mounted on a tenon 206 of the plate 20. It has a toothing 560, which meshes with the timer wheel 531, and a cam 561, driven rigidly.
- the second hand 523 is therefore off-center. In this way, the cams 524 and 561 are not concentric, which makes it possible to avoid excess thickness.
- the rapid correction mechanism is in the position shown in Figure 1 and the conventional time-setting mechanism in that of Figure 4.
- the rapid correction mechanism is shown during correction in Figure 2 and at the end of correction in FIG. 3.
- FIG. 5 represents the pull-out 30 in the time correction position and the lever 41 in the rest position. This figure will explain how, in the watch according to the invention, the rapid correction mechanism cooperates with the conventional time-setting mechanism during a rapid time correction operation.
- the movement of the cap 521 brings the second hand 523 into a position corresponding to the signal, ie at the zero of the dial.
- the movement of the cam wheel 56 drives the timer mobile 53 and with it the pinion 501, the carriageway 54 and the cannon wheel 55, until the minute hand 542 has reached the position corresponding to the signal, either an hour or half an hour full.
- the pin 401 slides on the detent spring 411, until it reaches its end, this at the moment when the inclined planes have finished their function and when the finger 426 abuts against the pin 203 (fig. 3).
- the pin 401 escapes and the maintenance of the pressure on the head 110 causes the rocker 40 to continue on its way, but without effect for the rocker 41, for the hammer 42 and especially for the mobiles 52 and 50 (see fig . 6).
- the pusher 11 no longer exerts pressure on the lever 41, the combined action of the spring 44 on the lever 41 and of the spring 45 on the hammer 42 brings these two components back to their rest position.
- the mechanism according to the invention comprises means making it possible to return the time-setting mechanism to the rest position during the rapid correction function.
- the rocker 41 and the pusher 11, shown in solid lines, are in the rest position.
- the fine line drawing shows these parts at the end of their travel during the rapid correction operation.
- the various intermediate parts of the rapid correction mechanism 4 are schematically represented in the form of a broken arrow, by means of a dashed line.
- the pressure exerted on the pusher 11 drives the mechanism 4 and in particular the rocker 41.
- the pin 416, carried by the rocker 41 comes to bear against the finger 302 of the pull tab 30, bringing it back this in the rest position.
- This operation drives the rest of the time-setting mechanism, and with it the time-setting rod 12, which is found in the pushed position.
- the rocker 41 then returns to its rest position, under the effect of the spring 45, as has been described above.
- the watch according to the invention could be produced according to several variants. It could thus have only one cam controlling the second hand. If the watch did not have a second hand, there would be a cam only for the minute hand.
- the lever 41 interposed between the lever 40 and the hammer 42 could be omitted.
- the trigger function could be eliminated or then provided by components carried by the hammer, on the one hand, the rocker, on the other.
- the parts of the conventional rapid correction and time-setting mechanisms could cooperate in a different way to bring the latter back to the rest position.
- the pull tab could be pushed back by the lever 40 rather than by the lever 41.
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9714474A FR2771192B1 (fr) | 1997-11-14 | 1997-11-14 | Montre a correction rapide par poussoir |
FR9714474 | 1997-11-14 | ||
PCT/CH1998/000476 WO1999026115A1 (fr) | 1997-11-14 | 1998-11-06 | Montre a correction rapide par poussoir |
Publications (1)
Publication Number | Publication Date |
---|---|
EP1031067A1 true EP1031067A1 (de) | 2000-08-30 |
Family
ID=9513514
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98951152A Withdrawn EP1031067A1 (de) | 1997-11-14 | 1998-11-06 | Uhr mit schneller zeiteinstellung mittels einer drucktaste |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP1031067A1 (de) |
FR (1) | FR2771192B1 (de) |
WO (1) | WO1999026115A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1840677B1 (de) | 2006-03-28 | 2011-10-26 | Chopard Manufacture SA | Rückstellen des Sekundenzeigers in einer Uhr |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH528766A (fr) * | 1970-02-09 | 1972-05-31 | Omega Brandt & Freres Sa Louis | Pièce d'horlogerie |
US3667212A (en) * | 1970-04-20 | 1972-06-06 | Citizen Watch Co Ltd | Resetting-to-zero mechanisms for seconds, minute, and hour hands |
DE3024165A1 (de) * | 1980-06-27 | 1982-01-21 | Pforzheimer Uhren-Rohwerke Porta Gmbh & Co, 7530 Pforzheim | Stellvorrichtung zur zeitzoneneinstellung bei kleinuhren |
-
1997
- 1997-11-14 FR FR9714474A patent/FR2771192B1/fr not_active Expired - Fee Related
-
1998
- 1998-11-06 WO PCT/CH1998/000476 patent/WO1999026115A1/fr not_active Application Discontinuation
- 1998-11-06 EP EP98951152A patent/EP1031067A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO9926115A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO1999026115A1 (fr) | 1999-05-27 |
FR2771192A1 (fr) | 1999-05-21 |
FR2771192B1 (fr) | 2000-01-21 |
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Legal Events
Date | Code | Title | Description |
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PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
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17P | Request for examination filed |
Effective date: 20000511 |
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AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): CH LI |
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GRAG | Despatch of communication of intention to grant |
Free format text: ORIGINAL CODE: EPIDOS AGRA |
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17Q | First examination report despatched |
Effective date: 20020314 |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 20020601 |