US3587224A - Timepiece having a setting device arranged coaxially with the hands arbors - Google Patents
Timepiece having a setting device arranged coaxially with the hands arbors Download PDFInfo
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- US3587224A US3587224A US711268A US3587224DA US3587224A US 3587224 A US3587224 A US 3587224A US 711268 A US711268 A US 711268A US 3587224D A US3587224D A US 3587224DA US 3587224 A US3587224 A US 3587224A
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- arbor
- timepiece
- seconds
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- 238000003825 pressing Methods 0.000 abstract description 2
- 230000008878 coupling Effects 0.000 description 36
- 238000010168 coupling process Methods 0.000 description 36
- 238000005859 coupling reaction Methods 0.000 description 36
- 230000033001 locomotion Effects 0.000 description 11
- 230000005540 biological transmission Effects 0.000 description 8
- 238000006073 displacement reaction Methods 0.000 description 8
- 239000011521 glass Substances 0.000 description 7
- 238000010276 construction Methods 0.000 description 4
- 239000006059 cover glass Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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-
- 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
Definitions
- Ze o eZL'n TIMEPIECE HAVING A SETTING DEVICE ARRANGED COAXIALLY WITH THE HANDS ARBORS In timepieces arranged in an instrument panel in motor vehicles or other vehicles or craft, the rear side is inaccessible or very difficult of access. Consequently, it is not possible to adjust the hands in the otherwise customary manner from the rear by means of the hands spindles. Therefore central setting has already been provided for the minute hand, this being formed by an adjusting knob which is mounted on the timepiece glass and is adapted to be displaced in the direction towards the dial in opposition to spring pressure. But this has only been possible in the case of timepieces which did not have a sweep seconds hand.
- the invention obviates this disadvantage in that the setting device arranged in the timepiece glass in known manner is brought into driving connection by displacement in the direction of the dial first of all'with the seconds hand and, on further displacement, with the minute hand.
- the setting device arranged in the timepiece glass in known manner is brought into driving connection by displacement in the direction of the dial first of all'with the seconds hand and, on further displacement, with the minute hand.
- the setting device in its displacement first of all couples the seconds hand and, on further displacement, entrains the seconds hand in opposition to spring pressure until the minute hand is brought into engagement.
- FIG. 1 shows a cross section through a motion work driven by the regulator with a first form of embodiment of the setting device according to the invention
- FIG. 1a shows the advantageous construction of a friction connection between the seconds hand and the seconds arbor
- FIG. lb shows a modified construction of the setting knob
- FIG. is a side view showing a further form of embodiment of the coupling device
- FIG. Rd is a plan view on to the device shown in FIG. 1c,-
- FIG. 2 shows a cross section through a motion work accord ing to FIG. 1, but with a few modifications
- FIG. 3 shows a further form of embodiment of the setting device in a motion work in a subdivided arrangement
- FIG. 4 shows a further form of embodiment in a motion work according to FIG. 3;
- FIGS. 50 and b are a plan view and side view of an coupling element
- FIGS. 6a, b, c show various tooth shapes for the coupling elements.
- the motion work drive is effected from the regulator 10 to the fourth wheel 12, which is mounted fast with the fourth wheel pinion 13 on the fourth wheel arbor 14. From the pinion 13, drive is transmitted through the third wheel 25, the third wheel pinion 26, to the center wheel 27. This is frictionally mounted on the minute pipe 28 which carries the minute hand 29.
- the minute pinion 30 mounted fast on the minute pipe 28, and the minute wheel 11 drive is imparted to the hour wheel 32 which is mounted fast on the hour wheel pipe 33 which supports the hour hand 34.
- the seconds hand 15 is mounted on the fourth wheel arbor 14, in front of the hour and minute hands.
- the fourth wheel arbor 14 is driven by means of the fourth wheel 12.
- a hand setting spindle I6 is mounted so as to be displaceable and rotatable, and is adapted to be pressed inwards and turned by means of the setting knob 18 in opposition to the force of the spring 17 in order to set the hands.
- An end coupling disc 19 is connected fast to the setting spindle 16, an end coupling disc 20 to the minute pipe 28 and an intermediate coupling element 21 to the seconds hand 15.
- the seconds hand I5 and with it the intermediate coupling element 21 is arranged freely on the fourth wheel arbor l4 and is connected by the spring 22 so as to be axially frictionally locked to the fourth wheel arbor 14 by means of the friction disc 23 mounted fast on the said arbor.
- the end coupling discs 19 and 20 comprise at the side nearest to the seconds hand 15 and the intermediate coupling element 21 on both sides crown toothing systems 19a, 20a, 21a, 21b matching the associated element in each case.
- the setting knob 18 is pressed inwards in opposition to the force of the spring 17.
- the two coupling halves l9 and 21 are made to engage with their toothing systems 19a and 21b, possibly by slightly turning the knob 18 to and fro.
- the knob 18 is pressed still further inwards, until the coupling elements 21 and 22 also come to engage at their toothing systems 21a, 20a.
- the seconds hand 15 is displaced in opposition to the force of the spring 22 on the fourth wheel arbor 14, whereby its frictional connection with the disc 23 is discontinued. If the knob 18 is released, the parts return under the action of the springs 22 and 17 to their position of rest shown in FIG. I.
- the setting shaft 15a is connected fast to' the seconds hand 15 and taken outwards through the glass G.
- the setting knob 18 is fixed to the seconds hand setting shaft 15a. In this constructional form, the setting knob 18 rotates with the seconds hand.
- FIGS. 1c and 1d A further possibility of coupling is shown in FIGS. 1c and 1d.
- the setting shaft 16 comprises a coupling fork 19b which is normally outside the path of the seconds hand 15. But if it is moved inwards with the setting knob, it embraces the seconds hand 15 and moves into the teeth 20a of the end coupling disc 20 connected to the minute hand 29. It is convenient to bevel the teeth and the fork ends in order to facilitate engagement in one another. If the seconds hand 15 is to be arranged fixedly on its arbor,'a seconds friction element must be provided in the motion work.
- the hands are driven in the same way as in the embodiment shown in FIG. 1, but with the difference that in this case the fourth wheel 12 is mounted with the fourth wheel pinion freely on the fourth wheel arbor 14. Instead, the friction disc 36 is fixed on the fourth wheel arbor, which bears against the fourth wheel 12 under the pressure of the spring 35.
- the fourth wheel arbor 14 is displaced in opposition to the force of the spring 35, the frictional connection between the parts 12 and 36 being discontinued.
- FIGS. 3 and 4 show the conventional subdivided construction of the motion work, which however, as regards operation, corresponds to the modern compact construction shown in FIGS. 1 and 2.
- the minute wheel between the center wheel and the hour wheel has been omitted as not belonging to the invention.
- the hour wheel 32 is mounted fast on the hour wheel pipe 33 with the hour hand 34.
- the fourth wheel arbor 14 is driven by means of the transmission wheel 37 and the fourth wheel pinion 13.
- the seconds hand 15 is connected fast to the intermediate coupling element 21. The necessary friction mounting of the seconds hand 15 is effected by the spring 38 at the transmis-.
- FIG. 4 differs from that shown in FIG. 3 by the omission of the transmission wheel 37, since the third wheel 25 engages directly in the fourth wheel pinion 13.
- the seconds hand 15 is connected frictionally to the fourth wheel arbor 14, so that there is no need for a special friction spring such as e.g. the spring 38 in FIG. 3.
- the axial displacement of the fourth wheel arbor 14 when coupling with the setting knob 18 is effected in opposition to the force of the spring 35.
- the seconds hand 15 can turn relatively to the fourth wheel arbor 14.
- the friction element between the seconds hand 15 and the fourth wheel arbor 14 can be omitted if on the axial displacement of the fourth wheel arbor the fourth wheel pinion 13 comes out of the path of the third wheel 25.
- the coupling teeth of the end coupling discs 19 and 20 and of the central coupling element 21 can be given various shapes, as shown in FIGS. 6a to 6c. in an arrangement as shown in H6. 6c, the hands can be rotated only in one direction.
- the arrangement of the teeth on the coupling discs is shown in plan view in FIG. a and in side view in FIG. 5b.
- the various parts described may also be combined in other ways.
- the various friction points can also be arranged differently from the arrangements shown here.
- the coupling teeth can be formed by bending-out and the coupling recesses by punching from the appropriate coupling element.
- the seconds pointer has a forked end and the minute hand has coupling teeth so that the setting device when displaced first of all engages about the seconds pointer by means of the forked end and then engages in the coupling teeth of the minute hand.
- Timepiece according to claim 3 characterized in that the frictional connection between the fourth wheel arbor and the seconds shaft is given a conical shape for centering purposes.
- Timepiece according to claim 1 characterized in that the interlocking elements are provided with trapezoidal teeth.
- Timepiece according to claim 1 characterized in that the glass passage for the setting shaft is ovalised.
- Timepiece according to claim 1 characterized in that the friction discs are grooved.
- Timepiece according to claim 1 characterized in that the coupling elements are made of plastics material.
- Timepiece according to claim 1 characterized in that the seconds hand is made in one piece with the intermediate coupling element from plastics material.
- Timepiece according to claim 1 characterized in that the seconds hand is made of metal and is embedded in the intermediate coupling element.
- Timepiece according to claim 1 characterized in that the coupling teeth are formed by bending-out and the coupling tooth spaces by punching from the appropriate coupling element.
- Timepiece according to claim 1 characterized in that the glass passage for the setting shaft is chamfered.
- disengageable coupling means interposed between the carrier and arbor, and biased to coupling position by said second biasing means, for disengaging the carrier from the arbor when the setting member is moved inwardly slightly more than sufficiently to engage the engagement means, whereby the arbor may continue normal turning while the seconds pointer is under the control of the setting member.
- said carrier being substantially fast on the arbor and the engagement means and the torque transmitting means being movable in the direction of the axis of the arbor relative to the arbor, said arbor having a friction coupling thereon between the plate means so that turning of the carrier by setting member will not dangerously disturb a work train when the latter is used to drive the arbor.
- Timepiece according to claim 1 characterized in that coupling elements are provided constructed as interlocking elements with rectangular teeth.
- Timepiece according to claim 16 characterized in that the interlocking elements are provided with triangular teeth.
- the engagement means and the torque transmitting means being respectively, forwardly and rearwardly extending projections on the carrier and radial to the axis of the arbor.
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- General Physics & Mathematics (AREA)
- Electromechanical Clocks (AREA)
Abstract
TIMEPIECE WITH A MANUALLY OPERATED SETTING KNOB ROTATABLY MOUNTED ON THE DIAL COVER GLASS COAZIAL WITH THE ROTATING HANDS ARBORS SUCH THAT THE SECONDS HAND OR BOTH SECONDS AND MINUTES HANDS CAN BE SET BY PRESSING INWARDLY AND ROTATING THE SETTING KNOB.
Description
I United States Patent [72] Inventors Wolfgang Gunter;
Kurt Von Zeppelin. both of Schramberg/Wurttelnberg, Germany [2!] Appl. No. 711,268
(22] Filed Mar. 7, 196B [45] Patented June 28, 1971 [32] Priority Mar. 22, 1967 [3 3] Germany [54] TIMEPIECE'HAVING A SETTING DEVICE ARRANGED COAXIALLY WITH THE HANDS ARBORS 19 Claims, 13 Drawing Figs.
[52] US. Cl 58/34, 58/855 [51] Int. Cl G04c 9/00 [50] Field of Search 58/34, 36, 37, 85.5, 152
[56] References Cited UNITED STATES PATENTS 1,982,495 1 l/l934 Browning 58/85.5X 2,607,188 8/1952 Bourguin 58/85.5 FOREIGN PATENTS 940,299 10/1963 Great Britain 58/85.5
Primary Examiner-Richard B. Wilkinson Assistant Examiner-George H. Miller, Jr. Attorney-Watson, Cole, Grindle and Watson ABSTRACT: Timepiece with a manually operated setting knob rotatably mounted on the dial cover glass coaxial with the rotating hands arbors such that the seconds hand or both seconds and minutes hands can be set by pressing inwardly and rotating the setting knob.
PATENTEUJUN28|971 3,587,224
' sum 1 OF 4 N Fig. I
WVEN'IUM W Gan be r K, V072. Ze o eZL'n TIMEPIECE HAVING A SETTING DEVICE ARRANGED COAXIALLY WITH THE HANDS ARBORS In timepieces arranged in an instrument panel in motor vehicles or other vehicles or craft, the rear side is inaccessible or very difficult of access. Consequently, it is not possible to adjust the hands in the otherwise customary manner from the rear by means of the hands spindles. Therefore central setting has already been provided for the minute hand, this being formed by an adjusting knob which is mounted on the timepiece glass and is adapted to be displaced in the direction towards the dial in opposition to spring pressure. But this has only been possible in the case of timepieces which did not have a sweep seconds hand. It is true that a setting device of this kind for timepieces forming part of the equipment of motor vehicles and the like is already known wherein a sweep seconds hand is provided. But in that case the seconds hand has to be fixed on the hollow arbor arranged about the minute arbor. However, this involves reconstructing the generally conventional arrangement wherein the seconds hand is arranged on the innermost arbor.
The invention obviates this disadvantage in that the setting device arranged in the timepiece glass in known manner is brought into driving connection by displacement in the direction of the dial first of all'with the seconds hand and, on further displacement, with the minute hand. As a result it is possible to retain the conventional arrangement of the hands arbors and also to adjust not only the minute hand but also the seconds hand.
Conveniently, the setting device in its displacement first of all couples the seconds hand and, on further displacement, entrains the seconds hand in opposition to spring pressure until the minute hand is brought into engagement.
Further details of the invention will be apparent from the following description and the claims.
Several examples of embodiment are shown in the drawings wherein:
FIG. 1 shows a cross section through a motion work driven by the regulator with a first form of embodiment of the setting device according to the invention;
FIG. 1a shows the advantageous construction of a friction connection between the seconds hand and the seconds arbor;
FIG. lb shows a modified construction of the setting knob;
FIG. is a side view showing a further form of embodiment of the coupling device;
FIG. Rd is a plan view on to the device shown in FIG. 1c,-
FIG. 2 shows a cross section through a motion work accord ing to FIG. 1, but with a few modifications;
FIG. 3 shows a further form of embodiment of the setting device in a motion work in a subdivided arrangement;
FIG. 4 shows a further form of embodiment in a motion work according to FIG. 3;
FIGS. 50 and b are a plan view and side view of an coupling element;
FIGS. 6a, b, c show various tooth shapes for the coupling elements.
In the embodiment shown in FIG. I, the motion work drive is effected from the regulator 10 to the fourth wheel 12, which is mounted fast with the fourth wheel pinion 13 on the fourth wheel arbor 14. From the pinion 13, drive is transmitted through the third wheel 25, the third wheel pinion 26, to the center wheel 27. This is frictionally mounted on the minute pipe 28 which carries the minute hand 29. By means of the minute pinion 30 mounted fast on the minute pipe 28, and the minute wheel 11, drive is imparted to the hour wheel 32 which is mounted fast on the hour wheel pipe 33 which supports the hour hand 34.
The seconds hand 15 is mounted on the fourth wheel arbor 14, in front of the hour and minute hands. The fourth wheel arbor 14 is driven by means of the fourth wheel 12. In the glass G a hand setting spindle I6 is mounted so as to be displaceable and rotatable, and is adapted to be pressed inwards and turned by means of the setting knob 18 in opposition to the force of the spring 17 in order to set the hands.
end
An end coupling disc 19 is connected fast to the setting spindle 16, an end coupling disc 20 to the minute pipe 28 and an intermediate coupling element 21 to the seconds hand 15. The seconds hand I5 and with it the intermediate coupling element 21 is arranged freely on the fourth wheel arbor l4 and is connected by the spring 22 so as to be axially frictionally locked to the fourth wheel arbor 14 by means of the friction disc 23 mounted fast on the said arbor.
The end coupling discs 19 and 20 comprise at the side nearest to the seconds hand 15 and the intermediate coupling element 21 on both sides crown toothing systems 19a, 20a, 21a, 21b matching the associated element in each case.
When the hands are to be adjusted, the setting knob 18 is pressed inwards in opposition to the force of the spring 17. When this happens, first of all the two coupling halves l9 and 21 are made to engage with their toothing systems 19a and 21b, possibly by slightly turning the knob 18 to and fro. In this position of the parts, only the seconds hand 15 canbe ad- 20 justed. But if the minute hand 29 is to be turned, the knob 18 is pressed still further inwards, until the coupling elements 21 and 22 also come to engage at their toothing systems 21a, 20a. At this movement, the seconds hand 15 is displaced in opposition to the force of the spring 22 on the fourth wheel arbor 14, whereby its frictional connection with the disc 23 is discontinued. If the knob 18 is released, the parts return under the action of the springs 22 and 17 to their position of rest shown in FIG. I.
In FIG. la the frictional connection between the seconds hand 15 and the disc 21 is made conical in shape in order to obtain better centering.
If the uncoupling capability between the seconds hand 15 and the setting knob 18 is dispensed with, according to FIG. 1b the setting shaft 15a is connected fast to' the seconds hand 15 and taken outwards through the glass G. The setting knob 18 is fixed to the seconds hand setting shaft 15a. In this constructional form, the setting knob 18 rotates with the seconds hand.
A further possibility of coupling is shown in FIGS. 1c and 1d. There, the setting shaft 16 comprises a coupling fork 19b which is normally outside the path of the seconds hand 15. But if it is moved inwards with the setting knob, it embraces the seconds hand 15 and moves into the teeth 20a of the end coupling disc 20 connected to the minute hand 29. It is convenient to bevel the teeth and the fork ends in order to facilitate engagement in one another. If the seconds hand 15 is to be arranged fixedly on its arbor,'a seconds friction element must be provided in the motion work.
In the embodiment shown in FIG. 2, the hands are driven in the same way as in the embodiment shown in FIG. 1, but with the difference that in this case the fourth wheel 12 is mounted with the fourth wheel pinion freely on the fourth wheel arbor 14. Instead, the friction disc 36 is fixed on the fourth wheel arbor, which bears against the fourth wheel 12 under the pressure of the spring 35. When the setting knob 18 is pressed inwards, in this embodiment the fourth wheel arbor 14 is displaced in opposition to the force of the spring 35, the frictional connection between the parts 12 and 36 being discontinued.
The forms of embodiment according to FIGS. 3 and 4 show the conventional subdivided construction of the motion work, which however, as regards operation, corresponds to the modern compact construction shown in FIGS. 1 and 2. The minute wheel between the center wheel and the hour wheel has been omitted as not belonging to the invention. The hour wheel 32 is mounted fast on the hour wheel pipe 33 with the hour hand 34. The fourth wheel arbor 14 is driven by means of the transmission wheel 37 and the fourth wheel pinion 13. The seconds hand 15 is connected fast to the intermediate coupling element 21. The necessary friction mounting of the seconds hand 15 is effected by the spring 38 at the transmis-.
The form of embodiment shown in FIG. 4 differs from that shown in FIG. 3 by the omission of the transmission wheel 37, since the third wheel 25 engages directly in the fourth wheel pinion 13. Also, the seconds hand 15 is connected frictionally to the fourth wheel arbor 14, so that there is no need for a special friction spring such as e.g. the spring 38 in FIG. 3. The axial displacement of the fourth wheel arbor 14 when coupling with the setting knob 18 is effected in opposition to the force of the spring 35. When the knob 18 is turned, the seconds hand 15 can turn relatively to the fourth wheel arbor 14. In this form of embodiment also the friction element between the seconds hand 15 and the fourth wheel arbor 14 can be omitted if on the axial displacement of the fourth wheel arbor the fourth wheel pinion 13 comes out of the path of the third wheel 25.
The coupling teeth of the end coupling discs 19 and 20 and of the central coupling element 21 can be given various shapes, as shown in FIGS. 6a to 6c. in an arrangement as shown in H6. 6c, the hands can be rotated only in one direction. The arrangement of the teeth on the coupling discs is shown in plan view in FIG. a and in side view in FIG. 5b.
The various parts described may also be combined in other ways. Thus more particularly the various friction points can also be arranged differently from the arrangements shown here. Also the coupling teeth can be formed by bending-out and the coupling recesses by punching from the appropriate coupling element.
We claim:
1. In an automobile timepiece, substantially front and rear work plate means and a dial cover glass, a centrally located seconds arbor bearingly mounted on said plate means, a
manually operated setting member rotatably and axially slidably mounted in the glass coaxial with the arbor, the member having an engagement inner end, a seconds pointer between the front plate means and said end, a carrier turnable about the axis of the arbor and carrying fast said pointer, a minutes tube around and coaxial with the arbor between the front plate means and the carrier and having peripherally uniformly spaced projections thereon directed toward the carrier, engagement means on the carrier for engagement with said engagement end when the setting member is pushed inwardly and turnable with the carrier for turning the carrier by the setting member, the engagement means being movable in the direction of the arbor axis, torque transmission means on the carrier and turnable therewith and movable with the engagement means in the direction of the axis of the arbor for engaging on said projections; first biasing means for normally holding said end outer from the engagement means and second biasing means for normally holding the transmission means outer from the projections on the minutes tube, whereby when the setting member is initially moved inwardly into engagement of said end thereof with the engagement means, the carrier and seconds pointer may be turned by the setting member, and upon further inward movement of the setting member the torque transmission means will be moved axially into engagement with the projections on the minutes tube so that turning of the setting member will then produce turning of the carrier and the minutes tube.
2. in an automobile timepiece according to claim 1, in
which the seconds pointer has a forked end and the minute hand has coupling teeth so that the setting device when displaced first of all engages about the seconds pointer by means of the forked end and then engages in the coupling teeth of the minute hand.
3. Timepiece according to claim 1, characterized in that the frictional connection between the fourth wheel arbor and the seconds shaft is given a conical shape for centering purposes.
4. Timepiece according to claim 1, characterized in that the interlocking elements are provided with trapezoidal teeth.
5. Timepiece according to claim l,character1zed m that the interlocking elements are provided with sawtoothlike teeth.
6. Timepiece according to claim 1, characterized in that the glass passage for the setting shaft is ovalised.
7. Timepiece according to claim 1, characterized in that the friction discs are grooved.
8. Timepiece according to claim 1, characterized in that the coupling elements are made of plastics material.
9. Timepiece according to claim 1, characterized in that the seconds hand is made in one piece with the intermediate coupling element from plastics material.
10. Timepiece according to claim 1, characterized in that the seconds hand is made of metal and is embedded in the intermediate coupling element.
11. Timepiece according to claim 1, characterized in that the coupling teeth are formed by bending-out and the coupling tooth spaces by punching from the appropriate coupling element.
12. Timepiece according to claim 1, characterized in that the glass passage for the setting shaft is chamfered.
13. In a timepiece as claimed in claim 1, and disengageable coupling means interposed between the carrier and arbor, and biased to coupling position by said second biasing means, for disengaging the carrier from the arbor when the setting member is moved inwardly slightly more than sufficiently to engage the engagement means, whereby the arbor may continue normal turning while the seconds pointer is under the control of the setting member.
14. In a timepiece as claimed in claim 1, said carrier being substantially fast on the arbor and the engagement means and the torque transmitting means being movable in the direction of the axis of the arbor relative to the arbor, said arbor having a friction coupling thereon between the plate means so that turning of the carrier by setting member will not dangerously disturb a work train when the latter is used to drive the arbor.
15. In a timepiece as claimed in claim 1, and means for preventing rearward movement of the arbor when the setting member end engages the engagement means.
16. Timepiece according to claim 1, characterized in that coupling elements are provided constructed as interlocking elements with rectangular teeth.
17. Timepiece according to claim 16, characterized in that the interlocking elements are provided with triangular teeth.
18. In a timepiece as claimed in claim 1, the engagement means and the torque transmitting means being respectively, forwardly and rearwardly extending projections on the carrier and radial to the axis of the arbor.
l9. ln a timepiece as claimed in claim 18, the engagement means and the torque transmitting means being fast with respect to the arbor in the zone outer from the front plate means, said second biasing means acting through and engaging the arbor to hold the transmission means outer from the projections on the minutes tube.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19671548147 DE1548147B2 (en) | 1967-03-22 | 1967-03-22 | Clock with middle second and with a pointer setting device coaxial to the pointer shafts |
Publications (1)
Publication Number | Publication Date |
---|---|
US3587224A true US3587224A (en) | 1971-06-28 |
Family
ID=5676544
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US711268A Expired - Lifetime US3587224A (en) | 1967-03-22 | 1968-03-07 | Timepiece having a setting device arranged coaxially with the hands arbors |
Country Status (1)
Country | Link |
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US (1) | US3587224A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3731481A (en) * | 1971-03-27 | 1973-05-08 | Citizen Watch Co Ltd | Time-setting device for electric timepiece |
US3897700A (en) * | 1974-06-18 | 1975-08-05 | Tri Tech | Clock setting mechanism |
US4415272A (en) * | 1980-10-30 | 1983-11-15 | Kieninger & Obergfell Fabrik Fur Technische Laufwerke Und Apparate | Electrical timepiece with hour-hand adjustment |
-
1968
- 1968-03-07 US US711268A patent/US3587224A/en not_active Expired - Lifetime
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3731481A (en) * | 1971-03-27 | 1973-05-08 | Citizen Watch Co Ltd | Time-setting device for electric timepiece |
US3897700A (en) * | 1974-06-18 | 1975-08-05 | Tri Tech | Clock setting mechanism |
US4415272A (en) * | 1980-10-30 | 1983-11-15 | Kieninger & Obergfell Fabrik Fur Technische Laufwerke Und Apparate | Electrical timepiece with hour-hand adjustment |
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