Patent US3118981A successfully refreshed from Google Patents.
US3118981A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Constant speed rotary face-cam timer
Assignee: Duracell Inc USA
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Filing: 1960-04-20
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Granted: 1964-01-21
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Expires: 1980-04-20
Abstract
No abstract record available.
Inventors
- 👤 Ray C Zoppoth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:19
CPC Classifications
H; H01; H01H; H01H43/00; H01H43/10; H01H43/12; H01H43/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
A CONTROL DEVICE FOR SEQUENTIALLY OPENING AND CLOSING A SERIES OF ELECTRICAL CIRCUITS COMPRISING A FIXED TERMINAL BOARD HAVING A CENTRAL CIRCULAR OPENING THERETHROUGH, A MOTOR BEING PLACED IN SAID OPENING, SAID OPENING BEING SUBSTANTIALLY THE SAME DIAMETER OF SAID MOTOR, SWITCHES ON SAID TERMINAL BOARD HAVING CAM FOLLOWERS, SAID SWITCHES PLACED ON BOTH SIDES OF SAID MOTOR, A CAM HAVING A COLLAR FOR INCLUDING SAID MOTOR THEREWITHIN, SAID CAM BEING COUPLED TO AND ROTATABLE ABOUT SAID MOTOR BY A RATCHET MECHANISM, SAID MECHANISM INCLUDING A PINION DRIVEN BY SAID MOTOR, AN INTERNAL RING GEAR DRIVEN BY SAID PINION HAVING A DOUBLE PAWL MOUNTED THEREON, AND A RATCHET RING UPON WHICH SAID PAWL MOVES TO MOVE SAID RATCHET RING, SAID RING HAVING EARS COUPLED TO SAID COLLAR OF SAID CAM WHEREBY SAID CAM IS ROTATED, SAID CAM HAVING VARYING HEIGHTS OF CAM TRACKS ON ITS FACE, SAID SWITCHES BEING ACTIVATED BY SAID FOLLOWERS RESPONDING TO THE HEIGHTS OF SAID TRACKS TO ACTIVATE SAID CIRCUITS IN A DETERMINED TIME PATTERN.
Claim 2
Dependent Claim
169 words
A CONTROL DEVICE FOR SEQUENTIALLY OPENING AND CLOSING A SERIES OF ELECTRICAL CIRCUITS COMPRISING A FIXED TERMINAL BOARD HAVING A CENTRAL CIRCULAR OPENING THERETHROUGH, A MOTOR BEING PLACED IN SAID OPENING, SAID OPENING BEING SUBSTANTIALLY THE SAME DIAMETER OF SAID MOTOR, SWITCHES ON SAID TERMINAL BOARD HAVING CAM FOLLOWERS, SAID SWITCHES PLACED ON BOTH SIDES OF SAID MOTOR, A CAM HAVING A COLLAR FOR INCLUDING SAID MOTOR THEREWITHIN, SAID CAM BEING COUPLED TO AND ROTATABLE ABOUT SAID MOTOR BY A RATCHET MECHANISM, SAID MECHANISM INCLUDING A PINION DRIVEN BY SAID MOTOR, AN INTERNAL RING GEAR DRIVEN BY SAID PINION HAVING A DOUBLE PAWL MOUNTED THEREON, AND A RATCHET RING UPON WHICH SAID PAWL MOVES TO MOVE SAID RATCHET RING, SAID RING HAVING EARS COUPLED TO SAID COLLAR OF SAID CAM WHEREBY SAID CAM IS ROTATED, SAID CAM HAVING VARYING HEIGHTS OF CAM TRACKS ON ITS FACE, SAID SWITCHES BEING ACTIVATED BY SAID FOLLOWERS RESPONDING TO THE HEIGHTS OF SAID TRACKS TO ACTIVATE SAID CIRCUITS IN A DETERMINED TIME PATTERN.
References Cited (Backward Citations)
US2619557A
Cited
US2758166A
Cited
US2703347A
Cited
US2798124A
Cited
US2855477A
Cited
US2877317A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-01-20 | 1967-07-22 | 1968-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-20 | 1971-07-22 | 1972-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-20 | 1975-07-22 | 1976-01-21 | $7700.00 | Window Closed / Lapsed |