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US3147834A Expired / Lapsed US ⏱️ 0.0 years remaining

Automatically resetting high torque clutch

Assignee: Helland Inc
•
Filing: 1962-09-26
•
Granted: 1964-09-08
•
Expires: 1982-09-26
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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.

References Cited (Backward Citations)

US1669225A Cited
US1920017A Cited
US2253466A Cited
DE848588C Cited
US2601799A Cited
US2884103A Cited
US2837190A Cited

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

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