Patent US3344865A successfully refreshed from Google Patents.
US3344865A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Predetermined torque plus tension applying device
Assignee: Motors Liquidation Co
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Filing: 1965-09-27
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Granted: 1967-10-03
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Jr Elwyn L Kitchen
- 👤 Lee Thomas
- 👤 William E Rise
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 22:22
CPC Classifications
B; B25; B25B; B25B23/00; B25B23/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
232 words
A DEVICE FOR APPLYING A PREDETERMINED TENSION TO A WORKPIECE COMPRISING A CASING ADAPTED TO BE FIXED IN POSTION DURING USE, DRIVING MEANS ROTATABLY MOUNTED IN SAID CASING AND INCLUDING A DRIVE SHAFT, JAW CLUTCH MEMBERS, AND RATCHET DRIVE MEANS, SAID DRIVE SHAFT EXTENDING THROUGH THE CASING AND HAVING ONE END ADAPTED TO BE ATTACHED TO A PRIME MOVER, ONE OF SAID JAW CLUTCH MEMBERS BEING SLIDABLY MOUNTED ON AN INTERMEDIATE PORTION OF SAID SHAFT TO BE ROTATED THEREBY, ONE OTHER OF SAID JAW CLUTCH MEMBERS BEING AT THE OTHER END OF SAID SHAFT AND ADAPTED TO ROTATE SAID WORKPIECE IN ONE DIRECTION, SPRING MEANS URGING SAID ONE JAW CLUTCH MEMBER INTO ENGAGEMENT WITH SAID OTHER JAW CLUTCH MEMBER, A SCREW SLEEVE ROTATABLE ON AND COAXIAL WITH SAID DRIVE SHAFT, SAID RATCHET DRIVE MEANS COMPRISING ENGAGEABLE TEETH ON SAID ONE JAW CLUTCH MEMBER AND ON SAID SCREW SLEEVE FOR DRIVING THE LATTER IN SAID ONE DIRECTION, SECOND SPRING MEANS RESILIENTLY CONNECTING SAID CASING AND SCREW SLEEVE AND URGING THE LATTER TO ROTATE IN THE OPPOSITE DIRECTION, THIRD SPRING MEANS URGING SAID SCREW SLEEVE TOWARD SAID JAW CLUTCH MEMBERS TO EFFECT ENGAGEMENT OF SAID RATCHET DRIVE MEANS, A NUT ENGAGING SAID SCREW SLEEVE FOR MOVEMENT ALONG THE LATTER, MEANS RETAINING SAID CASING AND NUT AGAINST RELATIVE ROTATION, AND STOP MEANS LIMITING THE RANGE OF MOVEMENT OF SAID NUT WITH RESPECT TO SAID CASING.
Claim 2
Independent Claim
232 words
A DEVICE FOR APPLYING A PREDETERMINED TENSION TO A WORKPIECE COMPRISING A CASING ADAPTED TO BE FIXED IN POSTION DURING USE, DRIVING MEANS ROTATABLY MOUNTED IN SAID CASING AND INCLUDING A DRIVE SHAFT, JAW CLUTCH MEMBERS, AND RATCHET DRIVE MEANS, SAID DRIVE SHAFT EXTENDING THROUGH THE CASING AND HAVING ONE END ADAPTED TO BE ATTACHED TO A PRIME MOVER, ONE OF SAID JAW CLUTCH MEMBERS BEING SLIDABLY MOUNTED ON AN INTERMEDIATE PORTION OF SAID SHAFT TO BE ROTATED THEREBY, ONE OTHER OF SAID JAW CLUTCH MEMBERS BEING AT THE OTHER END OF SAID SHAFT AND ADAPTED TO ROTATE SAID WORKPIECE IN ONE DIRECTION, SPRING MEANS URGING SAID ONE JAW CLUTCH MEMBER INTO ENGAGEMENT WITH SAID OTHER JAW CLUTCH MEMBER, A SCREW SLEEVE ROTATABLE ON AND COAXIAL WITH SAID DRIVE SHAFT, SAID RATCHET DRIVE MEANS COMPRISING ENGAGEABLE TEETH ON SAID ONE JAW CLUTCH MEMBER AND ON SAID SCREW SLEEVE FOR DRIVING THE LATTER IN SAID ONE DIRECTION, SECOND SPRING MEANS RESILIENTLY CONNECTING SAID CASING AND SCREW SLEEVE AND URGING THE LATTER TO ROTATE IN THE OPPOSITE DIRECTION, THIRD SPRING MEANS URGING SAID SCREW SLEEVE TOWARD SAID JAW CLUTCH MEMBERS TO EFFECT ENGAGEMENT OF SAID RATCHET DRIVE MEANS, A NUT ENGAGING SAID SCREW SLEEVE FOR MOVEMENT ALONG THE LATTER, MEANS RETAINING SAID CASING AND NUT AGAINST RELATIVE ROTATION, AND STOP MEANS LIMITING THE RANGE OF MOVEMENT OF SAID NUT WITH RESPECT TO SAID CASING.
References Cited (Backward Citations)
US3011479A
Cited
US2990812A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |