US4533031A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch disk having alternatingly connected subplates between friction washers
Assignee: KBUSHIKI KAISHA DAIKIN SEISAKUSHO
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Filing: 1982-06-29
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Granted: 1985-08-06
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Expires: 2002-06-29
Abstract
Abstract A clutch disk having plural friction washers arranged in between a flange of hub and a retaining plate, having subplates arranged in between the friction washers and between the friction washer and the retaining plate respectively, with each subplate engaged with either the retaining plate or the flange in alternating order from the flange side, and having a cone spring and a sliding member arranged in order from the retaining plate to the nearest subplate.
Inventors
- 👤 Tamio Nagano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 09:27
CPC Classifications
F; F16; F16F; F16F15/00; F16F15/10; F16F15/12; F16F15/129
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
202 words
A clutch disk comprising: a clutch plate, cushioning plates fixed to an outer periphery of said clutch plate, a retaining plate spaced apart from said clutch plate and connected thereto so as to rotate therewith, a hub having a flange interposed between said clutch plate and said retaining plate, spring means operatively interconnecting said flange with said clutch plate and said retaining plate for relative rotation therebetween, a first friction washer interposed between said flange and said retaining plate, a first subplate interposed between said first friction washer and said retaining plate, a second friction washer interposed between said first subplate and said retaining plate, a second subplate interposed between said second friction washer and said retaining plate, a sliding member interposed between said second subplate and said retaining plate, a cone spring interposed between said sliding member and said retaining plate biassing said sliding meber, said second subplate, said second friction washer, said first subplate and said first friction washer towards said flange, means for connecting said first subplate to said retaining plate for rotation therewith, means for connecting said second subplate to said flange for rotation therewith, and a third friction washer interposed between said flange and said clutch plate.
Claim 2
Dependent Claim
202 words
A clutch disk comprising: a clutch plate, cushioning plates fixed to an outer periphery of said clutch plate, a retaining plate spaced apart from said clutch plate and connected thereto so as to rotate therewith, a hub having a flange interposed between said clutch plate and said retaining plate, spring means operatively interconnecting said flange with said clutch plate and said retaining plate for relative rotation therebetween, a first friction washer interposed between said flange and said retaining plate, a first subplate interposed between said first friction washer and said retaining plate, a second friction washer interposed between said first subplate and said retaining plate, a second subplate interposed between said second friction washer and said retaining plate, a sliding member interposed between said second subplate and said retaining plate, a cone spring interposed between said sliding member and said retaining plate biassing said sliding meber, said second subplate, said second friction washer, said first subplate and said first friction washer towards said flange, means for connecting said first subplate to said retaining plate for rotation therewith, means for connecting said second subplate to said flange for rotation therewith, and a third friction washer interposed between said flange and said clutch plate.
Claim 3
Dependent Claim
19 words
A clutch disk as set forth in claim 1, wherein said sliding member is a washer having smooth surfaces.
Claim 4
Dependent Claim
49 words
A clutch disk as set forth in claim 1, wherein said retaining plate has an engaging hole therein and said means for connecting said first subplate to said retaining plate comprises an engaging piece axially extending from an outer periphery of said first subplate engaging with said engaging hole.
Claim 5
Dependent Claim
46 words
A clutch disk as set forth in claim 1 wherein said flange has an engaging hole therein and said means for connecting said second subplate to said flange comprises an engaging piece axially extending from an outer periphery of said second subplate engaging said engaging hole.
Claim 6
Dependent Claim
89 words
A clutch disk as set forth in claim 1, wherein said retaining plate has a first engaging hole therein; said flange has a second engaging hole therein; said means for connecting said first subplate to said retaining plate comprises a first engaging piece axially extending from an outer periphery of said first subplate engaging said first engaging hole; and said means for connecting said second subplate to said flange comprises a second engaging piece axially extending from an outer periphery of said second subplate engaging said second engaging hole.
References Cited (Backward Citations)
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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) | 1988-08-05 | 1989-02-04 | 1989-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-08-05 | 1993-02-04 | 1993-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-08-05 | 1997-02-04 | 1997-08-06 | $7700.00 | Window Closed / Lapsed |