US3335835A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Torque limiting spring clutch
Assignee: Associated Spring Corp
•
Filing: 1965-05-27
•
Granted: 1967-08-15
•
Expires: 1985-05-27
Abstract
No abstract record available.
Inventors
- 👤 Edward R Conlon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:52
CPC Classifications
F; F16; F16D; F16D7/00; F16D7/02; F16D7/022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
AN OVERLOAD RELEASE ACTUATOR IN COMBINATION WITH A SPRING CLUTCH OF THE TYPE IN WHICH THE ENDS OF A HELICAL SPRING ENGAGE THE ADJACENT ENDS OF A DRIVE SHAFT AND A DRIVEN SHAFT, AND COMPRISNG ALSO A SLEEVE TYPE ACTUATOR CONCENTRIC WITH THE SPRING WHICH IS MOVABLE AXIALLY OF THE SPRING AND HAS ANGULARLY RELATED PARTS COMPRISING AN AXIAL SLOT AND A CANTED SLOT WHICH RECEIVE THE ENDS OF THE SPRING WHEREBY AXIAL MOVEMENT OF THE ACTUATOR MOVES AND END OF THE SPRING CIRCUMFERENTIALLY WITH RESPECT OT THE OTHER END OT RELEASE DRIVING ENGAGEMENT BETWEEN THE SPRING AND ONE OF THE SHAFTS, MEANS FOR ADJUSTING THE AXIAL POSITION OF THE ACTUATOR WITH RESPECT TO THE SPRING TO PRE-SET THE DEGREE OF ENGAGEMENT BETWEEN ONE END OF THE SPRING AND ITS ASSOCIATED SHAFT, WHEREBY DRIVING ENGAGEMENT BETWEEN THAT END OF THE SPRING AND ITS ASSOCIATED SHAFT WILL BE RELEASED AT A PRE-DETERMINED TORQUE DETERMINED BY THE DEGREE OF ENGAGEMENT.
Claim 2
Dependent Claim
158 words
AN OVERLOAD RELEASE ACTUATOR IN COMBINATION WITH A SPRING CLUTCH OF THE TYPE IN WHICH THE ENDS OF A HELICAL SPRING ENGAGE THE ADJACENT ENDS OF A DRIVE SHAFT AND A DRIVEN SHAFT, AND COMPRISNG ALSO A SLEEVE TYPE ACTUATOR CONCENTRIC WITH THE SPRING WHICH IS MOVABLE AXIALLY OF THE SPRING AND HAS ANGULARLY RELATED PARTS COMPRISING AN AXIAL SLOT AND A CANTED SLOT WHICH RECEIVE THE ENDS OF THE SPRING WHEREBY AXIAL MOVEMENT OF THE ACTUATOR MOVES AND END OF THE SPRING CIRCUMFERENTIALLY WITH RESPECT OT THE OTHER END OT RELEASE DRIVING ENGAGEMENT BETWEEN THE SPRING AND ONE OF THE SHAFTS, MEANS FOR ADJUSTING THE AXIAL POSITION OF THE ACTUATOR WITH RESPECT TO THE SPRING TO PRE-SET THE DEGREE OF ENGAGEMENT BETWEEN ONE END OF THE SPRING AND ITS ASSOCIATED SHAFT, WHEREBY DRIVING ENGAGEMENT BETWEEN THAT END OF THE SPRING AND ITS ASSOCIATED SHAFT WILL BE RELEASED AT A PRE-DETERMINED TORQUE DETERMINED BY THE DEGREE OF ENGAGEMENT.
References Cited (Backward Citations)
DE151714C
Cited
US3230595A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-14 | 1971-02-13 | 1971-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-14 | 1975-02-13 | 1975-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-14 | 1979-02-13 | 1979-08-15 | $7700.00 | Window Closed / Lapsed |