US4591041A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clutch friction disk comprising balancing means
Assignee: V A L E O 64 AVENUE de la GRANDE-ARMEE 75017 PARIS FRANCE A CORP OF REPUBLIC
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Filing: 1983-12-08
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Granted: 1986-05-27
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Expires: 2003-12-08
Abstract
Abstract A clutch friction disk comprises two friction facings attached by fixing members in the form of rivets to respective sides of a support. Balancing means are associated with the rivets, which to this end comprise an axial bore adapted to accommodate a balancing weight.
Inventors
- 👤 Carlo Valier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:16
CPC Classifications
F; F16; F16D; F16D13/00; F16D13/58; F16D13/60; F16D13/64; F16F; F16F15/00; F16F15/32; F16D2013/642
Claims Analysis
Total Claims: 32
Claim 1
Independent Claim
58 words
A clutch friction disk comprising a hub, at least two friction facings, an annular support for carrying said friction facings and coupled to said hub, fixing members attaching said friction facings to respective sides of said support, and including an axial bore and balancing weights received in said axial bore of at least some of said fixing members.
Claim 2
Dependent Claim
58 words
A clutch friction disk comprising a hub, at least two friction facings, an annular support for carrying said friction facings and coupled to said hub, fixing members attaching said friction facings to respective sides of said support, and including an axial bore and balancing weights received in said axial bore of at least some of said fixing members.
Claim 3
Dependent Claim
21 words
A friction disk according to claim 1, wherein each of said fixing members comprise means for mounting a said balancing weight.
Claim 4
Dependent Claim
24 words
A friction disk according to claim 2, further comprising means for axially retaining said balancing weights in the axial bores in both axail directions.
Claim 5
Dependent Claim
23 words
A friction disk according to claim 3, wherein said balancing weights have complementary means abutting said means for axially retaining said balancing weights.
Claim 6
Dependent Claim
17 words
A friction disk according to claim 1, wherein each of said balancing weights comprises an upset stud.
Claim 7
Dependent Claim
16 words
A friction disk according to claim 5, wherein said stud is made of soft, malleable metal.
Claim 8
Dependent Claim
12 words
A friction disk according to claim 6, wherein the metal is lead.
Claim 9
Dependent Claim
25 words
A friction disk according to claim 5, further comprising means for axially retaining said balancing weights in their associated axial bores in both axial directions.
Claim 10
Dependent Claim
19 words
A friction disk according to claim 8, wherein said balancing weights have complementary means for abutting siad retaining means.
Claim 11
Dependent Claim
34 words
A friction disk according to claim 1, wherein said support comprises resiliently deformable portions to provide progressive engagement and wherein said fixing members also constitute means for limiting the distance separating said friction facings.
Claim 12
Dependent Claim
38 words
A friction disk according to claim 10, wherein said fixing members are rivets each having a head forming an additional shoulder adapted to cooperate in abutting relationship with a corresponding bearing surface of one of said friction facings.
Claim 13
Dependent Claim
19 words
A clutch friction disk according to claim 1, wherein said balancing weights comprise enlarged ends and a trunk therebetween.
Claim 14
Dependent Claim
52 words
A clutch friction disk comprising a hub, at least two friction facings, an annular support carrying said friction facings and coupled to said hub, fixing members attaching said friction facings to respective sides of said support, each of siad fixing members having an axial bore means adapted to mount a balancing weight.
Claim 15
Dependent Claim
52 words
A clutch friction disk comprising a hub, at least two friction facings, an annular support carrying said friction facings and coupled to said hub, fixing members attaching said friction facings to respective sides of said support, each of siad fixing members having an axial bore means adapted to mount a balancing weight.
Claim 16
Dependent Claim
27 words
A friction disk according to claim 13, wherein each of said axial bore means comprises means for axially retaining the associated balancing weight in both axial directions.
Claim 17
Dependent Claim
25 words
A friction disk according to claim 14, wherein said associated balancing weight has complementary means abutting said means for axially retaining the associated balancing weight.
Claim 18
Dependent Claim
34 words
A friction disk according to claim 13, wherein said support comprises resiliently deformable portions to provide progressive engagement and wherein said fixing members also constitute means for limiting the distance separating said friction facings.
Claim 19
Dependent Claim
39 words
A friction disk according to claim 16, wherein said fixing members comprise hollow rivets each having a head forming an additional shoulder adapted to cooperate in abutting relationship with a corresponding bearing surface of one of said friction facings.
Claim 20
Dependent Claim
77 words
A clutch friction disk comprising a hub, at least two friction facings, an annular support for carrying said friction facings and coupled to said hub, fixing members attaching said friction facings to respective sides of said support, and balancing means associated with at least some of said fixing members, balancing means comprising balancing weights, each of said fixing members comprising means for mounting a said balancing weight, and each of said balancing weights comprising an upset stud.
Claim 21
Dependent Claim
77 words
A clutch friction disk comprising a hub, at least two friction facings, an annular support for carrying said friction facings and coupled to said hub, fixing members attaching said friction facings to respective sides of said support, and balancing means associated with at least some of said fixing members, balancing means comprising balancing weights, each of said fixing members comprising means for mounting a said balancing weight, and each of said balancing weights comprising an upset stud.
Claim 22
Dependent Claim
29 words
A friction disk according to claim 18, wherein said means for mounting a said balancing weight comprise means for axially retaining the associated balancing weight in both axial directions.
Claim 23
Dependent Claim
19 words
A friction disk according to claim 19, wherein said associated balancing weight has complementary means abutting said retaining means.
Claim 24
Dependent Claim
16 words
A friction disk according to claim 18, wherein said stud is made of soft, malleable metal.
Claim 25
Dependent Claim
12 words
A friction disk according to claim 21, wherein said metal is lead.
Claim 26
Dependent Claim
28 words
A friction disk according to claim 18, wherein said means for mounting a said balancing weight comprises means for axially retaining said balancing weight in both axial directions.
Claim 27
Dependent Claim
19 words
A friction disk according to claim 23, wherein said associated balancing weight has complementary means abutting said retaining means.
Claim 28
Dependent Claim
27 words
A friction disk according to claim 18, whereing said means for mounting a said balancing weight comprises an axially extending bore in an associated said fixing member.
Claim 29
Dependent Claim
37 words
A friction disk according to claim 19, wherein upset ends of said studs bear against portions of said fixing means extending radially outwardly from said bore to restrain siad balancing weight against movement in opposed axial directions.
Claim 30
Dependent Claim
20 words
A friction disk according to claim 18, wherein each of said balancing weights is defined by a length of wire.
Claim 31
Dependent Claim
37 words
A friction disk according to claim 1, wherein upset ends of said studs bear against portions of said fixing means extending radially outwardly from said bore to restrain said balancing weight against movement in opposed axial directions.
Claim 32
Dependent Claim
20 words
A friction disk according to claim 1, wherein each of said balancing weights is defined by a length of wire.
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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) | 1989-05-26 | 1989-11-25 | 1990-05-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-26 | 1993-11-25 | 1994-05-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-26 | 1997-11-25 | 1998-05-27 | $7700.00 | Window Closed / Lapsed |