US3210067A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electromechanical door operator
Assignee: Stanley Works
•
Filing: 1962-08-08
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Granted: 1965-10-05
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Expires: 1982-08-08
Abstract
No abstract record available.
Inventors
- 👤 Harold W Ferguson
- 👤 Francis J Kalog
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 05:19
CPC Classifications
E; E05; E05F; E05F15/00; E05F15/60; E05F15/603; E05F15/611; E05F15/614; E05Y; E05Y2201/00; E05Y2201/20; E05Y2201/23; E05Y2201/232; E05Y2201/236; E05Y2400/00; E05Y2400/10; E05Y2400/30; E05Y2400/3013; E05Y2800/00; E05Y2800/25; E05Y2900/00; E05Y2900/10; E05Y2900/13; E05Y2900/132; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18184
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
103 words
AN ELECTROMECHANICAL DOOR ACTUATOR COMPRISING A REVERSIBLE MOTOR, A GEAR TRAIN OPERATIVELY CONNECTED TO THE OUTPUT SHAFT OF THE MOTOR, A CRANK ROTATABLY DRIVEN BY SAID GEAR TRAIN, A CLUTCH DRIVEN BY SAID CRANK AND HAVING AN OUTPUT SHAFT AND A HUB, MEANS FOR CONNECTING THE OUTPUT SHAFT OF THE CLUTCH TO A DOOR TO BE OPENED AND CLOSED, SAID CLUTCH COMPRISING A PAIR OF PIVOTALLY MOUNTED CLUTCH SEGMENTS SURROUNDING SAID HUB, EACH OF THE CLUTCH SEGMENTS HAVING A DOG FOR ENGAGING A RECESS OF SAID HUB AND POSITIVELY POSITIONING SAID CLUTCH SEGMENTS WITH RESPECT TO SAID HUB, MEANS FOR BIASING SAID SEGMENTS
References Cited (Backward Citations)
US2924449A
Cited
US3039764A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |