Patent US3224545A successfully refreshed from Google Patents.
US3224545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wear compensating apparatus including bi-directional spring clutch
Assignee: International Business Machines Corp
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Filing: 1964-01-30
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Granted: 1965-12-21
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Expires: 1984-01-30
Abstract
No abstract record available.
Inventors
- 👤 Roy F Hanft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:30
CPC Classifications
B; B41; B41J; B41J1/00; B41J1/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
APPARATUS FOR COMPENSATING TO WEAR OR THE LIKE IN AT LEAST ONE MECHANISM FOR OPERABLE TO CONTROL MOVEMENT OF A MOVABLE MEMBER HAVING SPACED ELEMENTS THEREON TO SELECTIVELY POSITION THE ELEMENTS AT A WORKING POSITION COMPRISING: A MOVABLE MEMBER HAVING SPACED ELEMENTS THEREON AND A MEMBER DRIVEN BY SAID MECHANISM; SAID MECHANISM OPERATING TO MOVE SAID DRIVEN MEMBER IN BOTH ROTATIONAL DIRECTIONS; CLUTCH MEANS DRIVINGLY INTERCONNECTING AND DIRECTLY COUPLING SAID DRIKVEN MEMBER AND SAID MOVABLE MEMBER FOR OSCILLATORY MOVEMENT THROUGH A WORKING POSITION TO A NUMBER OF PRESELECTED POSITIONS WHEN SAID CLUTCH IS ENGAGED; SAID CLUTCH MEANS COMPRISING A SPRING CLUTCH WHOSE CONVOLUTIONS ARE DISPOSED TO NORMALLY ENGAGE SAID MOVABLE MEMBER AND SAID DRIVEN MEMBER;
Claim 2
Dependent Claim
115 words
APPARATUS FOR COMPENSATING TO WEAR OR THE LIKE IN AT LEAST ONE MECHANISM FOR OPERABLE TO CONTROL MOVEMENT OF A MOVABLE MEMBER HAVING SPACED ELEMENTS THEREON TO SELECTIVELY POSITION THE ELEMENTS AT A WORKING POSITION COMPRISING: A MOVABLE MEMBER HAVING SPACED ELEMENTS THEREON AND A MEMBER DRIVEN BY SAID MECHANISM; SAID MECHANISM OPERATING TO MOVE SAID DRIVEN MEMBER IN BOTH ROTATIONAL DIRECTIONS; CLUTCH MEANS DRIVINGLY INTERCONNECTING AND DIRECTLY COUPLING SAID DRIKVEN MEMBER AND SAID MOVABLE MEMBER FOR OSCILLATORY MOVEMENT THROUGH A WORKING POSITION TO A NUMBER OF PRESELECTED POSITIONS WHEN SAID CLUTCH IS ENGAGED; SAID CLUTCH MEANS COMPRISING A SPRING CLUTCH WHOSE CONVOLUTIONS ARE DISPOSED TO NORMALLY ENGAGE SAID MOVABLE MEMBER AND SAID DRIVEN 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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |