Patent US3080735A successfully refreshed from Google Patents.
US3080735A
Expired / Lapsed
US
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Instrument shaft release clutch
Assignee: EDELIFF INSTR
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Filing: 1961-03-16
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Granted: 1963-03-12
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Expires: 1981-03-16
Abstract
No abstract record available.
Inventors
- 👤 Jr Leo M Blom
- 👤 Edmund W Pitzer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:37
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02; Y; Y10; Y10S; Y10S464/00; Y10S464/90; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49909; Y10T29/49913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
IN A MINIATURE INSTRUMENT HAVING A ROTATABLE ADJUSTMENT SHAFT, A RELEASE CLUTCH FOR THE SHAFT COMPRISING A CAP, SAID CAP DEFINING A GENERALLY CYLINDRICAL RECESS SURROUNDING THE END OF THE SHAFT COAXIALLY THEREWITH AND IN SPACED RELATION THEREFROM, AN INSERT DISPOSED IN THE RECESS INTERMEDIATE THE CAP AND THE SHAFT, SAID INSERT SURROUNDING THE END OF THE SHAFT AND BEING FIXED THERETO FOR ROTATION THEREWITH, THE INSERT INCLUDING RESILIENT MEANS DEFINING A RESILIENTLY YIELDABLE APPROXIMATELY CYLINDRICAL EXTERIOR SURFACE WHICH SUBSTANTIALLY MATES WITH THE SURFACE OF THE RECESS IN THE CAP, MEANS FOR ROTATING THE CAP, AND MEANS FOR EFFECTING FRICTIONAL ENGAGEMENT BETWEEN THE INSERT AND THE CAP CAPABLE OF TRANSMITTING A PREDETERMINED TORQUE
Claim 2
Dependent Claim
113 words
IN A MINIATURE INSTRUMENT HAVING A ROTATABLE ADJUSTMENT SHAFT, A RELEASE CLUTCH FOR THE SHAFT COMPRISING A CAP, SAID CAP DEFINING A GENERALLY CYLINDRICAL RECESS SURROUNDING THE END OF THE SHAFT COAXIALLY THEREWITH AND IN SPACED RELATION THEREFROM, AN INSERT DISPOSED IN THE RECESS INTERMEDIATE THE CAP AND THE SHAFT, SAID INSERT SURROUNDING THE END OF THE SHAFT AND BEING FIXED THERETO FOR ROTATION THEREWITH, THE INSERT INCLUDING RESILIENT MEANS DEFINING A RESILIENTLY YIELDABLE APPROXIMATELY CYLINDRICAL EXTERIOR SURFACE WHICH SUBSTANTIALLY MATES WITH THE SURFACE OF THE RECESS IN THE CAP, MEANS FOR ROTATING THE CAP, AND MEANS FOR EFFECTING FRICTIONAL ENGAGEMENT BETWEEN THE INSERT AND THE CAP CAPABLE OF TRANSMITTING A PREDETERMINED TORQUE
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |