Patent US2133493A successfully refreshed from Google Patents.
Patent US3310290A successfully refreshed from Google Patents.
US3310290A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Braking means for a rotary hoist
Assignee: Gardner Denver Inc
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Filing: 1965-05-10
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Granted: 1967-03-21
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Expires: 1985-05-10
Abstract
No abstract record available.
Inventors
- 👤 Lawrence H Workman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 07:21
CPC Classifications
B; B66; B66D; B66D3/00; B66D3/18; B66D5/00; B66D5/02; B66D5/24; B66D5/26; B66D2700/00; B66D2700/02; B66D2700/026; B66D2700/03; B66D2700/035
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A ROTARY HOIST COMPRISING: HOUSING MEANS HAVING A CAVITY THEREIN; A ROTARY MOTOR DISPOSED IN SAID CAVITY; REEL MEANS FOR A FLEXIBLE LOAD BEARING MEMBER; DRIVE MEANS CONNECTING SAID MOTOR TO SAID REEL MEANS; BRAKE MEANS FOR SAID MOTOR AND SAID REEL MEANS; SAID BRAKE MEANS BEING DISPOSED IN SAID CAVITY; SAID BRAKE MEANS HAVING A ROTARY ELEMENT IN BRAKE FORCE TRANSMITTING RELATION WITH SAID DRIVE MEANS; AND SAID ROTARY ELEMENT BEING SUPPORTED AND JOURNALED BY SAID HOUSING MEANS, SAID HOUSING MEANS INCLUDES A TRANSVERSE WALL DEFINING THE CLOSED END OF SAID CAVITY; SAID WALL BEING PROVIDED WITH AN APERTURE; SAID ROTARY ELEMENT BEING DISPOSED BETWEEN SAID MOTOR AND SAID WALL, AND SAID ROTARY ELEMENT BEING SUPPORTED AND JOURNALED IN SAID APERTURE.
Claim 2
Dependent Claim
122 words
A ROTARY HOIST COMPRISING: HOUSING MEANS HAVING A CAVITY THEREIN; A ROTARY MOTOR DISPOSED IN SAID CAVITY; REEL MEANS FOR A FLEXIBLE LOAD BEARING MEMBER; DRIVE MEANS CONNECTING SAID MOTOR TO SAID REEL MEANS; BRAKE MEANS FOR SAID MOTOR AND SAID REEL MEANS; SAID BRAKE MEANS BEING DISPOSED IN SAID CAVITY; SAID BRAKE MEANS HAVING A ROTARY ELEMENT IN BRAKE FORCE TRANSMITTING RELATION WITH SAID DRIVE MEANS; AND SAID ROTARY ELEMENT BEING SUPPORTED AND JOURNALED BY SAID HOUSING MEANS, SAID HOUSING MEANS INCLUDES A TRANSVERSE WALL DEFINING THE CLOSED END OF SAID CAVITY; SAID WALL BEING PROVIDED WITH AN APERTURE; SAID ROTARY ELEMENT BEING DISPOSED BETWEEN SAID MOTOR AND SAID WALL, AND SAID ROTARY ELEMENT BEING SUPPORTED AND JOURNALED IN SAID APERTURE.
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) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |