US3147834A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatically resetting high torque clutch
Assignee: Helland Inc
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Filing: 1962-09-26
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Granted: 1964-09-08
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Expires: 1982-09-26
Abstract
No abstract record available.
Inventors
- 👤 Gilman A Helland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:24
CPC Classifications
F; F16; F16D; F16D43/00; F16D43/02; F16D43/20; F16D43/202; F16D43/204; F16D43/208
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
166 words
A TORQUE CLUTCH COMPRISING: (A) A ROTARY DRIVING MEMBER, (B) A ROTARY DRIVEN MEMBER MOUNTED FOR COAXIAL ROTATION RELATIVE TO SAID DRIVING MEMBER, (C) A TORQUE TRANSMITTING ELEMENT MOVABLY CARRIED BY ONE OF SAID MEMBERS AND EXTENDING BETWEEN SAID MEMBERS AND NORMALLY INTERCONNECTING THE TWO IN DRIVING RELATION AND BEING MOVABLE BETWEEN DRIVING AND NON-DRIVING POSITIONS, (D) A RESILIENTLY URGED HOLDING MEMBER MOVABLE CONCENTRICALLY OF SAID OTHER MEMBERS ENGAGING SAID ELEMENT AND URGING THE SAME INTO INTERCONNECTING RELATION BETWEEN SAID OTHER MEMBERS, SAID HOLDING MEMBER BEING MOVABLE TO PERMIT SAID ELEMENT TO MOVE TO NON-DRIVING POSITION WHEN A PREDETERMINED TORQUE TOWARD NON-DRIVING POSITION IS EXERTED UPON SAID ELEMENT BY SAID DRIVEN MEMBER, AND (E) RESILIENT MECHANISM CARRIED BY ONE OF SAID MEMBERS AND CONNECTING SAID HOLDING MEMBER TO ONE OF SAID DRIVEN AND DRIVING MEMBERS, AND EXERTING ITS RESILIENT FORCES IN A DIRECTION EXTENDING AXIALLY OF SAID MEMBERS TO CAUSE SAID HOLDING MEMBER TO HOLD SAID ELEMENT IN DRIVING RELATION TO SAID DRIVING AND DRIVEN MEMBER.
Claim 2
Dependent Claim
166 words
A TORQUE CLUTCH COMPRISING: (A) A ROTARY DRIVING MEMBER, (B) A ROTARY DRIVEN MEMBER MOUNTED FOR COAXIAL ROTATION RELATIVE TO SAID DRIVING MEMBER, (C) A TORQUE TRANSMITTING ELEMENT MOVABLY CARRIED BY ONE OF SAID MEMBERS AND EXTENDING BETWEEN SAID MEMBERS AND NORMALLY INTERCONNECTING THE TWO IN DRIVING RELATION AND BEING MOVABLE BETWEEN DRIVING AND NON-DRIVING POSITIONS, (D) A RESILIENTLY URGED HOLDING MEMBER MOVABLE CONCENTRICALLY OF SAID OTHER MEMBERS ENGAGING SAID ELEMENT AND URGING THE SAME INTO INTERCONNECTING RELATION BETWEEN SAID OTHER MEMBERS, SAID HOLDING MEMBER BEING MOVABLE TO PERMIT SAID ELEMENT TO MOVE TO NON-DRIVING POSITION WHEN A PREDETERMINED TORQUE TOWARD NON-DRIVING POSITION IS EXERTED UPON SAID ELEMENT BY SAID DRIVEN MEMBER, AND (E) RESILIENT MECHANISM CARRIED BY ONE OF SAID MEMBERS AND CONNECTING SAID HOLDING MEMBER TO ONE OF SAID DRIVEN AND DRIVING MEMBERS, AND EXERTING ITS RESILIENT FORCES IN A DIRECTION EXTENDING AXIALLY OF SAID MEMBERS TO CAUSE SAID HOLDING MEMBER TO HOLD SAID ELEMENT IN DRIVING RELATION TO SAID DRIVING AND DRIVEN MEMBER.
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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) | 1967-09-08 | 1968-03-09 | 1968-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-08 | 1972-03-09 | 1972-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-08 | 1976-03-09 | 1976-09-08 | $7700.00 | Window Closed / Lapsed |