Patent US3275276A successfully refreshed from Google Patents.
US3275276A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-locking clamp
Assignee: Hutchinson Aerospace and Industry Inc
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Filing: 1965-03-03
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Granted: 1966-09-27
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Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Kenneth W Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 21:36
CPC Classifications
G; G05; G05G; G05G5/00; G05G2700/00; G05G2700/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A SELF-LOCKING CLAMP COMPRISING A FIXED JAW MEMBER AND A MOVABLE JAW MEMBER, A THREADED MEMBER EXTENDING THROUGH SAID MOVABLE JAW AND SECURED AGAINST LINEAR MOVEMENT RELATIVE THERETO AND THREADEDLY ENGAGING THROUGH MEANS CARRIED BY SAID FIXED JAW WHEREBY ROTATIVE MOVEMENT OF SAID SCREW MOVES SAID MOVABLE JAW RELATIVE TO SAID FIXED JAW, A KNOB ON THE END OF SAID SCREW WHICH EXTENDS THROUGH SAID MOVABLE JAW, A TOOTHED DISC FIXED TO SAID MOVABLE JAW BETWEEN SAID MOVABLE JAW AND SAID KNOB AND SURROUNDING SAID SCREW, AND A FINGER PIVOTED ON SAID KNOB SELECTIVELY MOVABLE INTO AND OUT OF ENGAGEMENT WITH THE TEETH OF SAID DISC TO PRECLUDE ROTATION OF SAID KNOB AND SAID SCREW WHEN ENGAGED WITH SAID TEETH.
Claim 2
Dependent Claim
120 words
A SELF-LOCKING CLAMP COMPRISING A FIXED JAW MEMBER AND A MOVABLE JAW MEMBER, A THREADED MEMBER EXTENDING THROUGH SAID MOVABLE JAW AND SECURED AGAINST LINEAR MOVEMENT RELATIVE THERETO AND THREADEDLY ENGAGING THROUGH MEANS CARRIED BY SAID FIXED JAW WHEREBY ROTATIVE MOVEMENT OF SAID SCREW MOVES SAID MOVABLE JAW RELATIVE TO SAID FIXED JAW, A KNOB ON THE END OF SAID SCREW WHICH EXTENDS THROUGH SAID MOVABLE JAW, A TOOTHED DISC FIXED TO SAID MOVABLE JAW BETWEEN SAID MOVABLE JAW AND SAID KNOB AND SURROUNDING SAID SCREW, AND A FINGER PIVOTED ON SAID KNOB SELECTIVELY MOVABLE INTO AND OUT OF ENGAGEMENT WITH THE TEETH OF SAID DISC TO PRECLUDE ROTATION OF SAID KNOB AND SAID SCREW WHEN ENGAGED WITH SAID TEETH.
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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |