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US3130828A Expired / Lapsed US ⏱️ 0.0 years remaining

Clutch with elastic washer

Assignee: Valeo SE
•
Filing: 1961-07-24
•
Granted: 1964-04-28
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Expires: 1981-07-24
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Abstract

No abstract record available.

Inventors

  • 👤 Maurice Jean

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 23:20
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/58; F16D13/583; F16D13/585; F16D13/22; F16D13/38; F16D13/46; F16D13/48; F16D13/50; F16D13/70; F16D13/71; F16D2013/706

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 336 words
A CLUTCH COMPRISING IN COMBINATION, A DRIVING SHAFT AND A DRIVEN SHAFT, A DRIVING PLATE KEYED ON SAID DRIVING SHAFT AND AN ANNULAR PRESSURE PLATE FAST FOR ROTATION WITH SAID DRIVING PLATE AND ADAPTED FOR AXIAL DISPLACEMENT WITH RESPECT TO SAID DRIVING PLATE, AT LEAST ONE FRICTION DISC FAST FOR ROTATION WITH SAID DRIVEN SHAFT AND NORMALLY GRIPPED BETWEEN FRICTIONAL ANNULAR AREAS OF SAID DRIVING PLATE AND SAID PRESSURE-PLATE, AN ANNULAR CLOSURE COVER FIXED BY ITS PERIPHERY ON ONE OF SAID PLATES AND COVERING THE OTHER SAID PLATE, A CONICAL ELASTIC WASHER INTERPOSED BETWEEN SAID COVER AND ONE OF SAID PLATES, SAID WASHER BEING PIVOTED ON SAID COVER AT POINTS LOCATED ON A CIRCLE INTERMEDIATE BETWEEN THE EDGES OF SAID WASHER, MEANS FOR SUPPORTING THE OUTER EDGE OF SAID WASHER ON ONE OF SAID PLATES, RADIAL SLOTS FORMED IN THE LOWER EDGE OF SAID WASHER SO AS TO FORM A PLURALITY OF OPERATING FINGERS, A DECLUTCHING RING ENGAGING THE LOWER EDGE OF SAID WASHER, THRUST-ACTUATED MEANS FOR AXIALLY DISPLACING SAID DECLUTCHING RING, SAID PRESSURE PLATE HAVING BEYOND THE OUTER CONTOUR OF THE FRICTIONAL AREA THEREOF AT LEAST THREE RADIALLY PROJECTING FEET SUBSTANTIALLY COPLANAR WITH SAID PRESSURE PLATE, AT LEAST THREE FLEXIBLE TANGENTIALLY-DIRECTED CONNECTING FLAT COPLANAR TONGUES COUPLING SAID PRESSURE-PLATE TO SAID COVER, EACH OF SAID TONGUES BEING FIXED AT ONE EXTREMITY TO ONE OF SAID PRESSURE-PLATE FEET AND AT THE OTHER EXTREMITY TO SAID COVER, THE EXTREMITIES OF SAID CONNECTING TONGUES LOCATED IN FRONT WITH RESPECT TO THE NORMAL FORWARD DIRECTION OF ROTATION BEING FIXED TO SAID COVER AND THE REAR EXTREMITIES OF SAID TONGUES BEING FIXED TO SAID PRESSUREPLATE FEET, SAID TONGUES BEING DISPOSED ON THE SIDE OF SAID FEET TOWARDS SAID DRIVING PLATE SO AS TO EXTEND SUBSTANTIALLY IN THE PLANE OF SAID FRICTION-DISC, SAID PRESSUREPLATE FEET AND SAID COVER HAVING TWO SEPARATE SERIES OF RIVET HOLES SERVING RESPECTIVELY FOR THE FIXING OF SAID CONNECTING TONGUES, WHEREBY SAID CLUTCH CAN BE ADAPTED FOR EITHER DIRECTION OF ROTATION OF SAID DRIVING SHAFT WITHOUT SPECIAL MACHINING.
Claim 2
Dependent Claim 336 words
A CLUTCH COMPRISING IN COMBINATION, A DRIVING SHAFT AND A DRIVEN SHAFT, A DRIVING PLATE KEYED ON SAID DRIVING SHAFT AND AN ANNULAR PRESSURE PLATE FAST FOR ROTATION WITH SAID DRIVING PLATE AND ADAPTED FOR AXIAL DISPLACEMENT WITH RESPECT TO SAID DRIVING PLATE, AT LEAST ONE FRICTION DISC FAST FOR ROTATION WITH SAID DRIVEN SHAFT AND NORMALLY GRIPPED BETWEEN FRICTIONAL ANNULAR AREAS OF SAID DRIVING PLATE AND SAID PRESSURE-PLATE, AN ANNULAR CLOSURE COVER FIXED BY ITS PERIPHERY ON ONE OF SAID PLATES AND COVERING THE OTHER SAID PLATE, A CONICAL ELASTIC WASHER INTERPOSED BETWEEN SAID COVER AND ONE OF SAID PLATES, SAID WASHER BEING PIVOTED ON SAID COVER AT POINTS LOCATED ON A CIRCLE INTERMEDIATE BETWEEN THE EDGES OF SAID WASHER, MEANS FOR SUPPORTING THE OUTER EDGE OF SAID WASHER ON ONE OF SAID PLATES, RADIAL SLOTS FORMED IN THE LOWER EDGE OF SAID WASHER SO AS TO FORM A PLURALITY OF OPERATING FINGERS, A DECLUTCHING RING ENGAGING THE LOWER EDGE OF SAID WASHER, THRUST-ACTUATED MEANS FOR AXIALLY DISPLACING SAID DECLUTCHING RING, SAID PRESSURE PLATE HAVING BEYOND THE OUTER CONTOUR OF THE FRICTIONAL AREA THEREOF AT LEAST THREE RADIALLY PROJECTING FEET SUBSTANTIALLY COPLANAR WITH SAID PRESSURE PLATE, AT LEAST THREE FLEXIBLE TANGENTIALLY-DIRECTED CONNECTING FLAT COPLANAR TONGUES COUPLING SAID PRESSURE-PLATE TO SAID COVER, EACH OF SAID TONGUES BEING FIXED AT ONE EXTREMITY TO ONE OF SAID PRESSURE-PLATE FEET AND AT THE OTHER EXTREMITY TO SAID COVER, THE EXTREMITIES OF SAID CONNECTING TONGUES LOCATED IN FRONT WITH RESPECT TO THE NORMAL FORWARD DIRECTION OF ROTATION BEING FIXED TO SAID COVER AND THE REAR EXTREMITIES OF SAID TONGUES BEING FIXED TO SAID PRESSUREPLATE FEET, SAID TONGUES BEING DISPOSED ON THE SIDE OF SAID FEET TOWARDS SAID DRIVING PLATE SO AS TO EXTEND SUBSTANTIALLY IN THE PLANE OF SAID FRICTION-DISC, SAID PRESSUREPLATE FEET AND SAID COVER HAVING TWO SEPARATE SERIES OF RIVET HOLES SERVING RESPECTIVELY FOR THE FIXING OF SAID CONNECTING TONGUES, WHEREBY SAID CLUTCH CAN BE ADAPTED FOR EITHER DIRECTION OF ROTATION OF SAID DRIVING SHAFT WITHOUT SPECIAL MACHINING.

References Cited (Backward Citations)

US1944337A Cited
GB491770A Cited
US2277221A Cited
US2256714A Cited
US2765060A Cited
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US2813607A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-04-28 1967-10-28 1968-04-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-04-28 1971-10-28 1972-04-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-04-28 1975-10-28 1976-04-28 $7700.00 Window Closed / Lapsed

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