Patent US3134273A successfully refreshed from Google Patents.
US3134273A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rolling door control device
Assignee: Cookson Co
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Filing: 1962-06-28
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Granted: 1964-05-26
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Expires: 1982-06-28
Abstract
No abstract record available.
Inventors
- 👤 Wardlaw Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:45
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/665; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/21; E05Y2201/40; E05Y2201/43; E05Y2201/434
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
IN A CONTROL DEVICE FOR CONTROLLING THE ROTATION OF A DRIVEN SHIFT, A SPEED REDUCING UNIT HAVING AN OUTPUT SHAFT ADAPTED TO BE CONNECTED TO THE DRIVEN SHAFT, AN INPUT SHAFT AND MEANS CONNECTING THE INPUT SHAFT TO THE OUTPUT SHAFT SO THAT THE OUTPUT SHAFT IS ROTATED AS THE INPUT SHAFT IS ROTATED, A FIRST GEAR NON-ROTATABLY AND SLIDABLY MOUNTED ON THE INPUT SHAFT, A SECOND GEAR ADAPTED TO BE ENGAGED BY THE FIRST GEAR, MEANS YIELDABLY URGING SAID FIRST GEAR OUT OF ENGAGEMENT WITH SAID SECOND GEAR, MANUALLY OPERATED MEANS FOR ROTATING SAID SECOND GEAR, MEANS FOR MOVING THE FIRST GEAR INTO ENGAGEMENT WITH THE SECOND GEAR AGAINST THE FORCE OF THE YIELDABLE MEANS, MOTOR OPERATED MEANS HAVING AN OUTPUT SHAFT, AND MEANS CARRIED BY THE OUTPUT SHAFT OF THE MOTOR OPERATED MEANS AND ENGAGEABLE BY SAID FIRST GEAR SO THAT WHEN THE MOTOR OPERATED MEANS ROTATES THE OUTPUT SHAFT OF THE MOTOR OPERATED MEANS, SAID FIRST GEAR AND THE INPUT SHAFT OF THE SPEED REDUCING UNIT ARE ROTATED IN UNISON WITH THE OUTPUT SHAFT OF THE MOTOR OPERATED MEANS.
Claim 2
Dependent Claim
182 words
IN A CONTROL DEVICE FOR CONTROLLING THE ROTATION OF A DRIVEN SHIFT, A SPEED REDUCING UNIT HAVING AN OUTPUT SHAFT ADAPTED TO BE CONNECTED TO THE DRIVEN SHAFT, AN INPUT SHAFT AND MEANS CONNECTING THE INPUT SHAFT TO THE OUTPUT SHAFT SO THAT THE OUTPUT SHAFT IS ROTATED AS THE INPUT SHAFT IS ROTATED, A FIRST GEAR NON-ROTATABLY AND SLIDABLY MOUNTED ON THE INPUT SHAFT, A SECOND GEAR ADAPTED TO BE ENGAGED BY THE FIRST GEAR, MEANS YIELDABLY URGING SAID FIRST GEAR OUT OF ENGAGEMENT WITH SAID SECOND GEAR, MANUALLY OPERATED MEANS FOR ROTATING SAID SECOND GEAR, MEANS FOR MOVING THE FIRST GEAR INTO ENGAGEMENT WITH THE SECOND GEAR AGAINST THE FORCE OF THE YIELDABLE MEANS, MOTOR OPERATED MEANS HAVING AN OUTPUT SHAFT, AND MEANS CARRIED BY THE OUTPUT SHAFT OF THE MOTOR OPERATED MEANS AND ENGAGEABLE BY SAID FIRST GEAR SO THAT WHEN THE MOTOR OPERATED MEANS ROTATES THE OUTPUT SHAFT OF THE MOTOR OPERATED MEANS, SAID FIRST GEAR AND THE INPUT SHAFT OF THE SPEED REDUCING UNIT ARE ROTATED IN UNISON WITH THE OUTPUT SHAFT OF THE MOTOR OPERATED MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-26 | 1967-11-25 | 1968-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-26 | 1971-11-25 | 1972-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-26 | 1975-11-25 | 1976-05-26 | $7700.00 | Window Closed / Lapsed |