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US3324980A Expired / Lapsed US ⏱️ 0.0 years remaining

Elastomer cage for sprag members

Assignee: Borg Warner Corp
•
Filing: 1965-07-06
•
Granted: 1967-06-13
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Expires: 1985-07-06
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Abstract

No abstract record available.

Inventors

  • 👤 John A Rojic
  • 👤 Daniel M Wade
  • 👤 Robert J Curran

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 10:19
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/06; F16D41/069; F16D41/07; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/907

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 188 words
A SPRAG CLUTCH ASSEMBLY COMPRISING: A DRIVING MEMBER AND A DRIVEN MEMBER, RELATIVELY ROTATABLE IN DRIVING AND OVERRUNNING DIRECTIONS WITH RESPECT TO EACH OTHER, AND DISPOSED CONCENTRICALLY ABOUT AN AXIS IN SPACED RELATION TO EACH OTHER DEFINING AN ANNULAR SPACE THEREBETWEEN; AN ANNULAR CARRIER MEMBER DISPOSED BETWEEN SAID DRIVING AND DRIVEN MEMBERS PROVIDED WITH A SERIES OF ARCUATELY SPACED APERTURES EXTENDING RADIALLY THROUGH SAID CARRIER COMMUNICATING WITH SAID DRIVING AND DRIVEN MEMBERS; A PLURALITY OF SPRAGS EACH ROCKINGLY DISPOSED IN A RESPECTIVE APERTURE OF SAID CARRIER HAVING WEDGING END SURFACES ADAPTED TO INTERLOCK SAID MEMBERS RESPONSIVE TO ROCKING MOVEMENT IN ONE DIRECTION AND BEING DISENGAGEABLE FROM SAID MEMBERS RESPONSIVE TO ROCKING MOVEMENT IN THE OTHER DIRECTION, EACH SPRAG HAVING AN INDENTED SIDE PORTION: AND A PLURALITY OF ELASTICALLY RESILIENT ENERGIZING TABS OF RUBBERLIKE MATERIAL IN SAID CARRIER; EACH PROJECTING INTO A RESPECTIVE APERTURE FOR ENGAGEMENT WITH THE INDENTED SIDE PORTION OF A RESPECTIVE SPRAG, SAID TAB RESILIENT URGING SAID SPRAG INTO ENGAGEMENT WITH SAID MEMBERS WHEN ROTATING IN THE DRIVING DIRECTION AND PROVIDING A RESILIENT STOP FOR SAID SPRAG WHEN SAID MEMBERS ARE ROTATING IN THE OVERRUNNING DIRECTION.
Claim 2
Dependent Claim 188 words
A SPRAG CLUTCH ASSEMBLY COMPRISING: A DRIVING MEMBER AND A DRIVEN MEMBER, RELATIVELY ROTATABLE IN DRIVING AND OVERRUNNING DIRECTIONS WITH RESPECT TO EACH OTHER, AND DISPOSED CONCENTRICALLY ABOUT AN AXIS IN SPACED RELATION TO EACH OTHER DEFINING AN ANNULAR SPACE THEREBETWEEN; AN ANNULAR CARRIER MEMBER DISPOSED BETWEEN SAID DRIVING AND DRIVEN MEMBERS PROVIDED WITH A SERIES OF ARCUATELY SPACED APERTURES EXTENDING RADIALLY THROUGH SAID CARRIER COMMUNICATING WITH SAID DRIVING AND DRIVEN MEMBERS; A PLURALITY OF SPRAGS EACH ROCKINGLY DISPOSED IN A RESPECTIVE APERTURE OF SAID CARRIER HAVING WEDGING END SURFACES ADAPTED TO INTERLOCK SAID MEMBERS RESPONSIVE TO ROCKING MOVEMENT IN ONE DIRECTION AND BEING DISENGAGEABLE FROM SAID MEMBERS RESPONSIVE TO ROCKING MOVEMENT IN THE OTHER DIRECTION, EACH SPRAG HAVING AN INDENTED SIDE PORTION: AND A PLURALITY OF ELASTICALLY RESILIENT ENERGIZING TABS OF RUBBERLIKE MATERIAL IN SAID CARRIER; EACH PROJECTING INTO A RESPECTIVE APERTURE FOR ENGAGEMENT WITH THE INDENTED SIDE PORTION OF A RESPECTIVE SPRAG, SAID TAB RESILIENT URGING SAID SPRAG INTO ENGAGEMENT WITH SAID MEMBERS WHEN ROTATING IN THE DRIVING DIRECTION AND PROVIDING A RESILIENT STOP FOR SAID SPRAG WHEN SAID MEMBERS ARE ROTATING IN THE OVERRUNNING DIRECTION.

References Cited (Backward Citations)

US2520004A Cited
US2624436A Cited
US2677449A Cited
US2824635A Cited
US2912086A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1970-06-12 1970-12-12 1971-06-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1974-06-12 1974-12-12 1975-06-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1978-06-12 1978-12-12 1979-06-13 $7700.00 Window Closed / Lapsed

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