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US3162284A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple disc clutch with sheet metal cover

Assignee: Borg Warner Corp
•
Filing: 1962-02-07
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Granted: 1964-12-22
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Expires: 1982-02-07
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Abstract

No abstract record available.

Inventors

  • 👤 Byron D Montgomery
  • 👤 Sidney U Gatewood

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 05:18
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/22; F16D13/38; F16D13/385

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 221 words
A MULTIPLE DISC CLUTCH COMPRISING IN COMBINATION A DRIVING MEMBER; A PRESSURE PLATE; A PRESSURE RING HAVING DRIVE LUGS THEREON; A FIRST DRIVEN DISC INTERPOSED BETWEEN SAID DRIVING MEMBER AND SAID PRESSURE RING; A SECOND DRIVEN DISC INTERPOSED BETWEEN SAID PRESSURE RING AND SAID PRESSURE PLATE; PRESSURE SPRING MEMBERS ACTING ON SAID PRESSURE PLATE TO PACK SAID PRESSURE PLATE, SAID SECOND DRIVEN DISC, SAID PRESSURE RING, AND SAID FIRST DRIVEN DISC AGAINST SAID DRIVING MEMBER: A STAMPED SHEET METAL CLUTCH COVER PLATE HAVING AN AXIAL DEPTH SUFFICIENT TO EXTEND FROM SAID DRIVING MEMBER TO ENCOMPASS SAID MULTIPLE DISC CLUTCH; A REAR PORTION FORMED ON SAID CLUTCH COVER PLATE; CLUTCH RELEASE LEVERS PIVOTALLY SUPPORTED ON SAID COVER PLATE; MEANS TO SUPPORT SAID PRESSURE SPRINGS; A PLURALITY OF LEG PORTIONS EXTENDING FROM SAID REAR PORTION TOWARD SAID DRIVING MEMBER, EACH OF SAID LEG PORTIONS INCLUDING AN OUTWARDLY FLARED FLANGE PORTION ADAPTED TO ENGAGE SAID DRIVING MEMBER AND A RADIALLY FLARED DRIVE LUG RECESS EXTENDING SUBSTANTIALLY PERPENDICULAR TO SAID LEG PORTION AND EXTENDING FROM A POINT NEAR SAID REAR PORTION TO A POINT NEAR SAID DRIVING MEMBER, SAID RADIALLY FLARED DRIVE LUG RECESS PROVIDING SUBSTANTIAL RADIAL AND SUBSTANTIAL AXIAL SUPPORT DEFINING A DRIVING SURFACE FOR SAID DRIVE LUGS WHEREBY THE RADIALLY FLARED DRIVE LUG RECESS INCREASES THE STRUCTURAL STRENGTH OF SAID CLUTCH COVER PLATE.
Claim 2
Dependent Claim 221 words
A MULTIPLE DISC CLUTCH COMPRISING IN COMBINATION A DRIVING MEMBER; A PRESSURE PLATE; A PRESSURE RING HAVING DRIVE LUGS THEREON; A FIRST DRIVEN DISC INTERPOSED BETWEEN SAID DRIVING MEMBER AND SAID PRESSURE RING; A SECOND DRIVEN DISC INTERPOSED BETWEEN SAID PRESSURE RING AND SAID PRESSURE PLATE; PRESSURE SPRING MEMBERS ACTING ON SAID PRESSURE PLATE TO PACK SAID PRESSURE PLATE, SAID SECOND DRIVEN DISC, SAID PRESSURE RING, AND SAID FIRST DRIVEN DISC AGAINST SAID DRIVING MEMBER: A STAMPED SHEET METAL CLUTCH COVER PLATE HAVING AN AXIAL DEPTH SUFFICIENT TO EXTEND FROM SAID DRIVING MEMBER TO ENCOMPASS SAID MULTIPLE DISC CLUTCH; A REAR PORTION FORMED ON SAID CLUTCH COVER PLATE; CLUTCH RELEASE LEVERS PIVOTALLY SUPPORTED ON SAID COVER PLATE; MEANS TO SUPPORT SAID PRESSURE SPRINGS; A PLURALITY OF LEG PORTIONS EXTENDING FROM SAID REAR PORTION TOWARD SAID DRIVING MEMBER, EACH OF SAID LEG PORTIONS INCLUDING AN OUTWARDLY FLARED FLANGE PORTION ADAPTED TO ENGAGE SAID DRIVING MEMBER AND A RADIALLY FLARED DRIVE LUG RECESS EXTENDING SUBSTANTIALLY PERPENDICULAR TO SAID LEG PORTION AND EXTENDING FROM A POINT NEAR SAID REAR PORTION TO A POINT NEAR SAID DRIVING MEMBER, SAID RADIALLY FLARED DRIVE LUG RECESS PROVIDING SUBSTANTIAL RADIAL AND SUBSTANTIAL AXIAL SUPPORT DEFINING A DRIVING SURFACE FOR SAID DRIVE LUGS WHEREBY THE RADIALLY FLARED DRIVE LUG RECESS INCREASES THE STRUCTURAL STRENGTH OF SAID CLUTCH COVER PLATE.

References Cited (Backward Citations)

US1848843A Cited
US1655554A Cited
US2036005A Cited
US2256708A Cited
US2597356A Cited
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US3017003A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-12-22 1968-06-22 1968-12-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-12-22 1972-06-22 1972-12-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-12-22 1976-06-22 1976-12-22 $7700.00 Window Closed / Lapsed

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