Patent US3800931A successfully refreshed from Google Patents.
US3800931A
Expired / Lapsed
US
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Clutch disc
Assignee: LuK Lamellen und Kupplungsbau GmbH
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Filing: 1971-01-18
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Granted: 1974-04-02
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Expires: 1991-01-18
Abstract
Abstract Clutch disc includes a pair of vibration-absorbing devices disposed in a force-transmitting path between a friction lining carrier and an output part of the clutch disc, and further includes at least one input part and a respective driven part in the form of a hub part provided with teeth for form-lockingly connecting the same with a driving member, and force-storing means located between the input part and the hub part, the input part and the hub part being relatively rotatable in direction opposing biasing action of the force-storing means, the vibration-absorbing devices being connected in parallel.
Inventors
- 👤 P Maucher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 20:47
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/58; F16D13/60; F16D13/64; F16D13/644
Claims Analysis
Total Claims: 25
Claim 1
Independent Claim
126 words
Clutch disc comprising a pair of vibration-absorbing devices disposed in a force-transmitting path between a friction lining carrier and an output part of the clutch disc, each of said vibration-absorbing devices including at least one input part and a separate hub part each provided with teeth for form-lockingly connecting the same with a profiled member, one of said hub parts having means cooperable with said profiled member to provide for rotation of said one hub part relative to the other hub part, and force-storing means located between each of said input parts, and its respective hub part, said input parts and said hub parts being relatively rotatable in a direction opposing biasing action of said force-storing means, and means connecting said vibration absorbing devices in parallel.
Claim 2
Dependent Claim
126 words
Clutch disc comprising a pair of vibration-absorbing devices disposed in a force-transmitting path between a friction lining carrier and an output part of the clutch disc, each of said vibration-absorbing devices including at least one input part and a separate hub part each provided with teeth for form-lockingly connecting the same with a profiled member, one of said hub parts having means cooperable with said profiled member to provide for rotation of said one hub part relative to the other hub part, and force-storing means located between each of said input parts, and its respective hub part, said input parts and said hub parts being relatively rotatable in a direction opposing biasing action of said force-storing means, and means connecting said vibration absorbing devices in parallel.
Claim 3
Dependent Claim
26 words
Clutch disc according to claim 1 wherein each of said vibration-absorbing devices has input parts that are rigidly connected to one another by said connecting means.
Claim 4
Dependent Claim
22 words
Clutch disc according to claim 1 wherein said friction lining carrier is an input part of one of said vibration absorbing devices.
Claim 5
Dependent Claim
28 words
Clutch disc according to claim 1 including more than two vibration-absorbing devices each having parts, and each having input parts that are connected to said friction lining carrier.
Claim 6
Dependent Claim
16 words
Clutch disc according to claim 1 wherein Said vibration-absorbing devices have force-storing means of different strength.
Claim 7
Dependent Claim
16 words
Clutch disc according to claim 1 wherein said vibration-absorbing devices have friction moments of different values.
Claim 8
Dependent Claim
22 words
Clutch disc according to claim 1 wherein each of said input parts of said vibration-absorbing devices form abutment for said force-storage means.
Claim 9
Dependent Claim
140 words
Clutch disc comprising a pair of vibration-absorbing devices disposed in a force-transmitting path between a friction lining carrier and an output part of the clutch disc, each of said vibration-absorbing devices including at least one input part and a respective driven part in the form of a separate hub part each provided with teeth for form-lockingly connecting the same with a driving member, one of the hub parts of said pair of vibration-absorbing devices having means cooperable with said driving member to provide for rotation of said one hub part relative to the other hub part and force-storing means located between each of said input parts and its respective hub part, said input parts and said hub parts being relatively rotatable in a direction opposing biasing action of said force-storing means, and means connecting said vibration absorbing devices in parallel.
Claim 10
Dependent Claim
140 words
Clutch disc comprising a pair of vibration-absorbing devices disposed in a force-transmitting path between a friction lining carrier and an output part of the clutch disc, each of said vibration-absorbing devices including at least one input part and a respective driven part in the form of a separate hub part each provided with teeth for form-lockingly connecting the same with a driving member, one of the hub parts of said pair of vibration-absorbing devices having means cooperable with said driving member to provide for rotation of said one hub part relative to the other hub part and force-storing means located between each of said input parts and its respective hub part, said input parts and said hub parts being relatively rotatable in a direction opposing biasing action of said force-storing means, and means connecting said vibration absorbing devices in parallel.
Claim 11
Dependent Claim
77 words
Clutch disc according to claim 8 wherein the other of said hub parts is non-rotatable relative to said driving member, the vibration-absorbing device for said other hub part having input parts, and including a friction connection between said non-rotatable other hub part and said last-mentioned input parts. 10 Clutch disc according to claim 9 wherein said friction connection comprises friction linings engaging said hub part, on the one hand, and said input parts, on the other hand.
Claim 12
Dependent Claim
16 words
Clutch disc according to claim 8 including a friction connection between said relatively rotatable hub parts.
Claim 13
Dependent Claim
21 words
Clutch disc according to claim 1 wherein said force-storing means comprises a spring for at least one of said vibration-absorbing devices.
Claim 14
Dependent Claim
22 words
Clutch disc according to claim 1 including a damper of elastic material located between said hub part and said friction lining carrier.
Claim 15
Dependent Claim
21 words
Clutch disc according to claim 1 wherein said force-storing means proper forms an input part of one of said vibration-absorbing devices.
Claim 16
Dependent Claim
55 words
Clutch disc according to claim 3 and wherein said force-storing means are located between said friction lining carrier and said hub part and comprise elongated spring members exerting, on the one hand, a return spring force on said hub part and being pivotable, on the other hand, relative fixed points at said friction lining carrier.
Claim 17
Dependent Claim
26 words
Clutch disc according to claim 1 wherein said hub part is formed with at least one radially outwardly directed extension against which said force-storing means engages.
Claim 18
Dependent Claim
138 words
Clutch disc comprising a pair of vibration-absorbing devices disposed in a force-transmitting path between a friction lining carrier and an output part of the clutch disc, each of said vibration-absorbing devices including at least one input part and a respective driven part in the form of a separate hub part each provided with teeth for form-lockingly connecting the same with a driving member, said hub parts of said pair of vibration-absorbing devices being provided with means cooperable with said driving member to provide for rotation of said hub parts relative to said driving member, and force-storing means located between each of said input part and its respective hub part, said input parts and said hub parts being relatively rotatable in a direction opposing biasing action of said force-storing means, and means connecting said vibration absorbing devices in parallel.
Claim 19
Dependent Claim
138 words
Clutch disc comprising a pair of vibration-absorbing devices disposed in a force-transmitting path between a friction lining carrier and an output part of the clutch disc, each of said vibration-absorbing devices including at least one input part and a respective driven part in the form of a separate hub part each provided with teeth for form-lockingly connecting the same with a driving member, said hub parts of said pair of vibration-absorbing devices being provided with means cooperable with said driving member to provide for rotation of said hub parts relative to said driving member, and force-storing means located between each of said input part and its respective hub part, said input parts and said hub parts being relatively rotatable in a direction opposing biasing action of said force-storing means, and means connecting said vibration absorbing devices in parallel.
Claim 20
Dependent Claim
21 words
Clutch disc according to claim 17 wherein said hub parts are rotatable through angles of different sizes about said driving member.
Claim 21
Dependent Claim
17 words
Clutch disc according to claim 17, wherein said hub parts are rotatable only in one rotary direction.
Claim 22
Dependent Claim
159 words
Clutch disc comprising a pair of vibration-absorbing devices disposed in a force-transmitting path betWeen a friction lining carrier and an output part of the clutch disc, and including at least one input part and a respective driven part in the form of a hub part provided with teeth for form-lockingly connecting the same with a profiled member, and force-storing means located between said input part and said hub part, said input part and said hub part being relatively rotatable in direction opposing biasing action of said force-storing means, said vibration-absorbing devices being connected in parallel one of said hub parts being formed with inner teeth meshable with play with corresponding teeth formed on said profiled member whereby said one hub part is rotatable relative to the other hub part, said other hub part being relatively non-rotatable with respect to said other profiled member and having a continuous force-locking connection with said friction lining carrier in all angular positions thereof.
Claim 23
Dependent Claim
159 words
Clutch disc comprising a pair of vibration-absorbing devices disposed in a force-transmitting path betWeen a friction lining carrier and an output part of the clutch disc, and including at least one input part and a respective driven part in the form of a hub part provided with teeth for form-lockingly connecting the same with a profiled member, and force-storing means located between said input part and said hub part, said input part and said hub part being relatively rotatable in direction opposing biasing action of said force-storing means, said vibration-absorbing devices being connected in parallel one of said hub parts being formed with inner teeth meshable with play with corresponding teeth formed on said profiled member whereby said one hub part is rotatable relative to the other hub part, said other hub part being relatively non-rotatable with respect to said other profiled member and having a continuous force-locking connection with said friction lining carrier in all angular positions thereof.
Claim 24
Dependent Claim
146 words
Clutch disc comprising a pair of vibration-absorbing devices disposed in a force-transmitting path between a friction lining carrier and an output part of the clutch disc, each of said vibration-absorbing devices including at least one input part and a respective driven part in the form of a separate hub part each provided with teeth for form-lockingly connecting the same with a driving member, and force-storing means located between each of said input part and its respective hub part, and friction means between at least one of said input parts and its respective driven part, said friction means acting simultaneously and in parallel with the action of the force-storing means associated with said at least one input part, said input parts and said hub parts being relatively rotatable in a direction opposing biasing action of said force-storing means, and means connecting said vibration absorbing device in parallel.
Claim 25
Dependent Claim
146 words
Clutch disc comprising a pair of vibration-absorbing devices disposed in a force-transmitting path between a friction lining carrier and an output part of the clutch disc, each of said vibration-absorbing devices including at least one input part and a respective driven part in the form of a separate hub part each provided with teeth for form-lockingly connecting the same with a driving member, and force-storing means located between each of said input part and its respective hub part, and friction means between at least one of said input parts and its respective driven part, said friction means acting simultaneously and in parallel with the action of the force-storing means associated with said at least one input part, said input parts and said hub parts being relatively rotatable in a direction opposing biasing action of said force-storing means, and means connecting said vibration absorbing device in parallel.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-04-01 | 1977-10-01 | 1978-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-01 | 1981-10-01 | 1982-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-01 | 1985-10-01 | 1986-04-02 | $7700.00 | Window Closed / Lapsed |