US3237920A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction grip rope puller
Assignee: Individual
•
Filing: 1964-01-17
•
Granted: 1966-03-01
•
Expires: 1984-01-17
Abstract
No abstract record available.
Inventors
- 👤 Hans O Dohmeier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:01
CPC Classifications
B; B66; B66D; B66D3/00; B66D3/02; F; F24; F24D; F24D3/00; F24D3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A ROPE PULLER, THE COMBINATION OF A DUST-PROOF CASING, A PAIR GRIPS IN SAID CASING ADAPTED TO MOVE OVER SAID ROPE IN EITHER GRIPPING OR RELEASE RELATION THERETO, A SHAFT MOUNTED IN SAID PROJECTING FROM SAID CASING, A CRANK ON SAID SHAFT, A LEVER PIVOTALLY CONNECTED TO SAID CRANK AND ONE OF SAID GRIPS, A ROCKING PLATE ROTATABLY MOUNTED ON SAID SHAFT, A LEVER MEANS PIVOTALLY CONNECTED TO SAID PLATE AND THE OTHER OF SAID GRIPS, A HANDLE CONNECTED TO SAID SHAFT EXTERIORLY OF SAID CASING, A LATCH SHAPED AS A PAWL PIVOTALLY CARRIED BY SAID HANDLE, FREELY ROTATABLE SLEEVES ON SAID SHAFT, NOTCHES IN SAID SLEEVES ADAPTED TO BE ENGAGED BY SAID PAWL WHEREBY THE SLEEVE IS MOVED BY SAID HANDLE, SHEER PINS ENGAGING ONE SLEEVE IN THE CRANK SHAFT AND SHEER PINS IN THE OTHER SLEEVE ENGAGING IT WITH SAID ROCKING PLATE WHEREBY THE HANDLE MAY SEPARATELY OPERATE EITHER GRIP.
Claim 2
Dependent Claim
153 words
IN A ROPE PULLER, THE COMBINATION OF A DUST-PROOF CASING, A PAIR GRIPS IN SAID CASING ADAPTED TO MOVE OVER SAID ROPE IN EITHER GRIPPING OR RELEASE RELATION THERETO, A SHAFT MOUNTED IN SAID PROJECTING FROM SAID CASING, A CRANK ON SAID SHAFT, A LEVER PIVOTALLY CONNECTED TO SAID CRANK AND ONE OF SAID GRIPS, A ROCKING PLATE ROTATABLY MOUNTED ON SAID SHAFT, A LEVER MEANS PIVOTALLY CONNECTED TO SAID PLATE AND THE OTHER OF SAID GRIPS, A HANDLE CONNECTED TO SAID SHAFT EXTERIORLY OF SAID CASING, A LATCH SHAPED AS A PAWL PIVOTALLY CARRIED BY SAID HANDLE, FREELY ROTATABLE SLEEVES ON SAID SHAFT, NOTCHES IN SAID SLEEVES ADAPTED TO BE ENGAGED BY SAID PAWL WHEREBY THE SLEEVE IS MOVED BY SAID HANDLE, SHEER PINS ENGAGING ONE SLEEVE IN THE CRANK SHAFT AND SHEER PINS IN THE OTHER SLEEVE ENGAGING IT WITH SAID ROCKING PLATE WHEREBY THE HANDLE MAY SEPARATELY OPERATE EITHER GRIP.
References Cited (Backward Citations)
US1485232A
Cited
US2585101A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-28 | 1969-08-30 | 1970-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-28 | 1973-08-30 | 1974-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-28 | 1977-08-30 | 1978-03-01 | $7700.00 | Window Closed / Lapsed |