US3257794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stress limiter for electronic timepiece indexing mechanism
Assignee: Bulova Watch Co Inc
•
Filing: 1964-12-29
•
Granted: 1966-06-28
•
Expires: 1984-12-29
Abstract
No abstract record available.
Inventors
- 👤 William O Bennett
- 👤 William W Mutter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 12:45
CPC Classifications
G; G04; G04C; G04C3/00; G04C3/08; G04C3/10; G04C3/101; G04C3/104; Y; Y10; Y10T; Y10T74/00; Y10T74/21; Y10T74/2133
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
143 words
IN A HOROLOGICAL DEVICE HAVING A VIBRATING TIMEKEEPING STANDARD, A GEARWORKS AND A MOTION TRANSFORMER INTERCOUPLING SAID STANDARD AND SAID GEARWORKS TO CONVERT THE VIBRATORY MOTION OF THE STANDARD INTO ROTARY MOTION TO DRIVE SAID WORKS, SAID TRANSFORMER COMPRISING: (A) AN INDEX FINGER ATTACHED AT ONE END TO SAID STANDARD AND RECIPROCATING THEREWITH, (B) A RATCHET WHEEL WHOSE TEETH ARE ENGAGED BY THE OTHER END OF SAID FINGER TO EFFECT TURNING OF SAID WHEEL, SAID WHEEL BEING OPERATIVELY COUPLED TO SAID GEARWORKS, SAID FINGER BEING FORMED OF A MATERIAL HAVING A PREDETERMINED THICKNESS AND BEING CAUSED TO BEND WHEN SAID DEVICE IS SUBJECTED TO A SHOCK IMPOSING A STRESS ON SAID FINGER, AND (C) A STRESS LIMITER TO RESTRICT THE BEND OF SAID FINGER IN THE REGION ADJACENT ITS POINT OF CONNECTION TO SAID STANDARD WITHIN LIMITS PREVENTING PERMANENT DEFORMATION OF SAID FINGER.
Claim 2
Dependent Claim
143 words
IN A HOROLOGICAL DEVICE HAVING A VIBRATING TIMEKEEPING STANDARD, A GEARWORKS AND A MOTION TRANSFORMER INTERCOUPLING SAID STANDARD AND SAID GEARWORKS TO CONVERT THE VIBRATORY MOTION OF THE STANDARD INTO ROTARY MOTION TO DRIVE SAID WORKS, SAID TRANSFORMER COMPRISING: (A) AN INDEX FINGER ATTACHED AT ONE END TO SAID STANDARD AND RECIPROCATING THEREWITH, (B) A RATCHET WHEEL WHOSE TEETH ARE ENGAGED BY THE OTHER END OF SAID FINGER TO EFFECT TURNING OF SAID WHEEL, SAID WHEEL BEING OPERATIVELY COUPLED TO SAID GEARWORKS, SAID FINGER BEING FORMED OF A MATERIAL HAVING A PREDETERMINED THICKNESS AND BEING CAUSED TO BEND WHEN SAID DEVICE IS SUBJECTED TO A SHOCK IMPOSING A STRESS ON SAID FINGER, AND (C) A STRESS LIMITER TO RESTRICT THE BEND OF SAID FINGER IN THE REGION ADJACENT ITS POINT OF CONNECTION TO SAID STANDARD WITHIN LIMITS PREVENTING PERMANENT DEFORMATION OF SAID FINGER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |