US3309066A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Winches having overload control means
Assignee: United Shoe Machinery Corp
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Filing: 1965-05-06
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Granted: 1967-03-14
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Expires: 1985-05-06
Abstract
No abstract record available.
Inventors
- 👤 John H Carlson
- 👤 Alfred J Kotek
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:14
CPC Classifications
B; B66; B66D; B66D1/00; B66D1/28; B66D1/02; B66D1/14; B66D1/22; B66D1/54; B66D1/58; B66D5/00; B66D2700/00; B66D2700/01; B66D2700/0183; B66D2700/03; Y; Y10; Y10T; Y10T74/00; Y10T74/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A WINCH COMPRISING A MAIN FRAME PROVIDED WITH A RIGID CROSS BEAM, A CABLE-CARRYING DRUM ROTATABLY MOUNTED ON THE CROSS BEAM, MOTOR MEANS INCLUDING A MECHANICALLY EFFECTIVE AND ELECTRICALLY RELEASABLE BRAKE FOR REGULATING ROTATION OF THE DRUM, SPEED REDUCER MECHANISM OPERATIVELY CONNECTED BETWEEN THE MOTOR MEANS AND THE DRUM, A MEMBER IN THE DRUM YIELDINGLY DISPLACEABLE WITH RESPECT TO THE BEAM, UPON OPERATION OF SAID SPEED REDUCER MECHANISM, FROM A ZERO OR LOW INPUT TORQUE POSITION ACCORDING TO OUTPUT TORQUE BEING EXERTED BY THE DRUM, AND A CONTROL CIRCUIT FOR SAID BRAKE INCLUDING A SWITCH ADJUSTABLY SECURED TO THE CROSS BEAM FOR SELECTIVELY LIMITING SAID OUTPUT TORQUE, SAID SWITCH BEING DISPOSED FOR ACTUATION BY SAID MEMBER.
Claim 2
Dependent Claim
116 words
A WINCH COMPRISING A MAIN FRAME PROVIDED WITH A RIGID CROSS BEAM, A CABLE-CARRYING DRUM ROTATABLY MOUNTED ON THE CROSS BEAM, MOTOR MEANS INCLUDING A MECHANICALLY EFFECTIVE AND ELECTRICALLY RELEASABLE BRAKE FOR REGULATING ROTATION OF THE DRUM, SPEED REDUCER MECHANISM OPERATIVELY CONNECTED BETWEEN THE MOTOR MEANS AND THE DRUM, A MEMBER IN THE DRUM YIELDINGLY DISPLACEABLE WITH RESPECT TO THE BEAM, UPON OPERATION OF SAID SPEED REDUCER MECHANISM, FROM A ZERO OR LOW INPUT TORQUE POSITION ACCORDING TO OUTPUT TORQUE BEING EXERTED BY THE DRUM, AND A CONTROL CIRCUIT FOR SAID BRAKE INCLUDING A SWITCH ADJUSTABLY SECURED TO THE CROSS BEAM FOR SELECTIVELY LIMITING SAID OUTPUT TORQUE, SAID SWITCH BEING DISPOSED FOR ACTUATION BY SAID MEMBER.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |