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US3293947A Expired / Lapsed US ⏱️ 0.0 years remaining

Torque converter and variable drive

Assignee: Individual
•
Filing: 1964-07-27
•
Granted: 1966-12-27
•
Expires: 1984-07-27
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Abstract

No abstract record available.

Inventors

  • 👤 Chery Walter Valdemar

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 09:04
CPC Classifications
F; F16; F16H; F16H15/00; F16H15/48; F16H15/50; F16H15/506

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 142 words
A TRANSMISSION COMPRISING A SHAFT, SPACED SUN WHEELS SLIDABLY AND NON-ROTATABLY SUPPORTED ON SAID SHAFT, SPACED REACTION RINGS DISPOSED GENERALLY CONCENTRIC TO SAID SHAFT AND SAID SUN WHEELS, RESILIENT MEANS ON SAID SHAFT URGING SAID SUN WHEELS TOWARD EACH OTHER, RESILIENT MEANS URGING SAID REACTION RINGS TOWARD EACH OTHER, A PLANETARY CAGE DISPOSED GENERALLY CONCENTRIC TO SAID SHAFT AND EXTENDING BETWEEN SAID RINGS AND SAID SUN WHEELS, SAID RING MEMBERS EACH HAVING AN INTERNAL PERIPHERAL SURFACE INCLINED RADIALLY OUTWARD AND TOWARD THE OTHER OF SAID RING MEMBERS, EACH SAID SUN WHEELS HAVING AN OUTSIDE PERIPHERAL SURFACE INCLINING RADIALLY OUTWARD AND AWAY FROM THE OTHER SAID SUN WHEEL, AND PLANETARY ROLLING ELEMENTS IN SAID PLANETARY MEMBER ENGAGING SAID INCLINED SURFACES OF SAID RING MEMBERS AND SAID SUN MEMBERS AND BEING PRELOADED BY A FORCE EXERTED BY SAID SUN WHEELS AND SAID RESILIENT MEANS.
Claim 2
Dependent Claim 142 words
A TRANSMISSION COMPRISING A SHAFT, SPACED SUN WHEELS SLIDABLY AND NON-ROTATABLY SUPPORTED ON SAID SHAFT, SPACED REACTION RINGS DISPOSED GENERALLY CONCENTRIC TO SAID SHAFT AND SAID SUN WHEELS, RESILIENT MEANS ON SAID SHAFT URGING SAID SUN WHEELS TOWARD EACH OTHER, RESILIENT MEANS URGING SAID REACTION RINGS TOWARD EACH OTHER, A PLANETARY CAGE DISPOSED GENERALLY CONCENTRIC TO SAID SHAFT AND EXTENDING BETWEEN SAID RINGS AND SAID SUN WHEELS, SAID RING MEMBERS EACH HAVING AN INTERNAL PERIPHERAL SURFACE INCLINED RADIALLY OUTWARD AND TOWARD THE OTHER OF SAID RING MEMBERS, EACH SAID SUN WHEELS HAVING AN OUTSIDE PERIPHERAL SURFACE INCLINING RADIALLY OUTWARD AND AWAY FROM THE OTHER SAID SUN WHEEL, AND PLANETARY ROLLING ELEMENTS IN SAID PLANETARY MEMBER ENGAGING SAID INCLINED SURFACES OF SAID RING MEMBERS AND SAID SUN MEMBERS AND BEING PRELOADED BY A FORCE EXERTED BY SAID SUN WHEELS AND SAID RESILIENT MEANS.

References Cited (Backward Citations)

US1112711A Cited
US1370080A Cited
US2239983A Cited
US2209497A Cited
FR971564A Cited
FR1022892A Cited
US2920505A Cited
US2958234A Cited
US2973671A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-12-26 1970-06-27 1970-12-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-12-26 1974-06-27 1974-12-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-12-26 1978-06-27 1978-12-27 $7700.00 Window Closed / Lapsed

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