US3334716A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction clutch
Assignee: Borg Warner Corp
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Filing: 1965-11-26
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Granted: 1967-08-08
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Romas B Spokas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:54
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/22; F16D13/38; F16D13/385; F16D13/58; F16D13/70; F16D13/71
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
210 words
FOR USE IN A FRICTION DEVICE HAVING ROTARY INPUT AND OUTPUT MEANS WITH FRICTION ELEMENTS OPERATIVE BETWEEN AN INTER-ENGAGED CONDITION FOR PROVIDING SELECTIVE CONJOINT ROTATION OF SAID INPUT AND OUTPUT MEANS AND A DISENGAGED CONDITION, AN OPERATING ASSEMBLY, COMPRISING: A PRESSURE ELEMENT DRIVINGLY ASSOCIATED WITH SAID INPUT MEANS AND MOVABLE IN ONE DIRECTION FOR PROMOTING INTERENGAGEMENT OF SAID FRICTION ELEMENTS, A REACTION PLATE ALSO DRIVINGLY ASSOCIATED WITH SAID INPUT MEANS, AND MEANS INTERCONNECTING SAID PRESSURE ELEMENT AND REACTION PLATE AND OPERABLE TO URGE SAID PRESSURE ELEMENT IN A DIRECTION FOR PROMOTING ONE OF SAID CONDITIONS OF SAID FRICTION ELEMENTS, SAID MEANS COMPRISING AT LEAST ONE LEVER HAVING A BEARING PROVIDING A PIVOTAL CONNECTION BETWEEN SAID PRESSURE ELEMENT AND LEVER ABOUT AN AXIS WHICH IS FIXED RELATIVE TO EACH THEREOF, AND A SECOND BEARING PROVIDING A PIVOTAL CONNECTION BETWEEN SAID LEVER AND REACTION PLATE EFFECTIVE TO PERMIT SAID LEVER TO NUTATE RELATIVE TO SAID REACTION PLATE DURING OPERATION, SAID SECOND BEARING COMPRISES A LINK ROCKABLY CONNECTED WITH SAID COVER PLATE, SAID COVER PLATE HAVING AT LEAST ONE SOCKET DEFINED THEREIN AND SAID LINK CARRYING A MALE ELEMENT SHAPED AS A COMPLEMENT TO SAID SOCKET, EACH LINK HAVING A STOP CARRIED THEREON FOR URGING SAID MALE ELEMENT IN TO ENGAGEMENT WITH SAID
Claim 2
Dependent Claim
210 words
FOR USE IN A FRICTION DEVICE HAVING ROTARY INPUT AND OUTPUT MEANS WITH FRICTION ELEMENTS OPERATIVE BETWEEN AN INTER-ENGAGED CONDITION FOR PROVIDING SELECTIVE CONJOINT ROTATION OF SAID INPUT AND OUTPUT MEANS AND A DISENGAGED CONDITION, AN OPERATING ASSEMBLY, COMPRISING: A PRESSURE ELEMENT DRIVINGLY ASSOCIATED WITH SAID INPUT MEANS AND MOVABLE IN ONE DIRECTION FOR PROMOTING INTERENGAGEMENT OF SAID FRICTION ELEMENTS, A REACTION PLATE ALSO DRIVINGLY ASSOCIATED WITH SAID INPUT MEANS, AND MEANS INTERCONNECTING SAID PRESSURE ELEMENT AND REACTION PLATE AND OPERABLE TO URGE SAID PRESSURE ELEMENT IN A DIRECTION FOR PROMOTING ONE OF SAID CONDITIONS OF SAID FRICTION ELEMENTS, SAID MEANS COMPRISING AT LEAST ONE LEVER HAVING A BEARING PROVIDING A PIVOTAL CONNECTION BETWEEN SAID PRESSURE ELEMENT AND LEVER ABOUT AN AXIS WHICH IS FIXED RELATIVE TO EACH THEREOF, AND A SECOND BEARING PROVIDING A PIVOTAL CONNECTION BETWEEN SAID LEVER AND REACTION PLATE EFFECTIVE TO PERMIT SAID LEVER TO NUTATE RELATIVE TO SAID REACTION PLATE DURING OPERATION, SAID SECOND BEARING COMPRISES A LINK ROCKABLY CONNECTED WITH SAID COVER PLATE, SAID COVER PLATE HAVING AT LEAST ONE SOCKET DEFINED THEREIN AND SAID LINK CARRYING A MALE ELEMENT SHAPED AS A COMPLEMENT TO SAID SOCKET, EACH LINK HAVING A STOP CARRIED THEREON FOR URGING SAID MALE ELEMENT IN TO ENGAGEMENT WITH SAID
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-08-07 | 1971-02-06 | 1971-08-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-07 | 1975-02-06 | 1975-08-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-07 | 1979-02-06 | 1979-08-08 | $7700.00 | Window Closed / Lapsed |