Timepiece with isolated hour hand changing device
Abstract
Abstract A TIMEPIECE COMPRISING AN ADDITIONAL GEAR CONTROLLING THE HOUR HAND, WHICH GEAR IS ROTATABLY MOUNTED COAXIALLY WITH A SECOND GEAR, ACTUATED BY THE MOVEMENT OF THE TIMEPIECE, AND MEANS ACTUATABLE FROM THE OUTSIDE FOR ROTATING THE ADDITIONAL GEAR BY ONE OR MORE STEPS WITHOUT INFLUENCING THE INDICATION OF THE OTHER HAND OR HANDS, CHARACTERIZED IN THAT IT COMPRISES IN ADDITION A YOKE WHICH MAY TAKE, UNDER THE ACTION OF AN OUTER CONTROL MEMBER, ON THE ONE HAND, A FIRST POSITION WHEREIN THE SAID GEARS ARE INTERLOCKED IN THE DIRECTION OF ROTATION UPON NORMAL SETTING OF THE TIMEPIECE AND DURING THE RUNNING THEREOF, AND, ON THE OTHER HAND, A SECOND POSITION WHEREIN THE SAID GEARS ARE DISENGAGED FROM EACH OTHER TO PERMIT ACTUATING ONLY THE ADDITIONAL GEAR CONTROLLING THE HOUR HAND.
Inventors
- 👤 Cyril Vuilleumier
Bibliographic Details
Claims Analysis
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-12-13 | 1975-06-14 | 1975-12-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-12-13 | 1979-06-14 | 1979-12-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-12-13 | 1983-06-14 | 1983-12-14 | $7700.00 | Window Closed / Lapsed |