Patent US3973659A successfully refreshed from Google Patents.
US3973659A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Friction clutch disk spring and bearing assemblies
Assignee: SKF Industrial Trading and Development Co BV
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Filing: 1974-05-31
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Granted: 1976-08-10
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Expires: 1994-05-31
Abstract
Abstract A friction clutch assembly with a clutch release bearing for use with automotive vehicles. The friction clutch is provided with a disc-shaped spring release member having a central bore. The clutch release bearing is formed as a conventional anti-friction bearing having an outer race ring extending through the central bore of the release spring. One end of the outer race ring is formed with an annular flange extending substantially radially outward to contact the exterior frontal face of the spring release member. An angularly-shaped retaining ring is fixed to the portion of the outer race ring extending through the bore and is formed with an axially extending shank wall terminating in a peripheral edge which presses against the opposite interior frontal face of the spring release member.
Inventors
- 👤 Horst Ernst
- 👤 Manfred Brandenstein
- 👤 Armin Olschewski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:32
CPC Classifications
F; F16; F16D; F16D23/00; F16D23/12; F16D23/14; F16D23/143
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
148 words
An assembly of a clutch release bearing and a friction clutch having an annular spring release member formed with a central bore, said clutch release bearing comprising an inner ring, an outer race ring and a plurality of rolling bodies located therebetween, said outer race ring having an axial portion extending through said central bore into said spring release member, said outer race ring being integrally formed at its exterior end with a radially outwardly extending flange forming an annular shoulder engaging the exterior surface of said spring release member, and a shaped retaining ring adapted to be secured along its inner periphery to said outer race ring within the interior of said spring release member, said retaining ring having an axially directed wall extending over the surface of said outer race ring terminating in a peripheral edge engaging the interior frontal surface of said spring release member.
Claim 2
Dependent Claim
148 words
An assembly of a clutch release bearing and a friction clutch having an annular spring release member formed with a central bore, said clutch release bearing comprising an inner ring, an outer race ring and a plurality of rolling bodies located therebetween, said outer race ring having an axial portion extending through said central bore into said spring release member, said outer race ring being integrally formed at its exterior end with a radially outwardly extending flange forming an annular shoulder engaging the exterior surface of said spring release member, and a shaped retaining ring adapted to be secured along its inner periphery to said outer race ring within the interior of said spring release member, said retaining ring having an axially directed wall extending over the surface of said outer race ring terminating in a peripheral edge engaging the interior frontal surface of said spring release member.
Claim 3
Dependent Claim
21 words
The assembly according to claim 1 wherein said axially extending wall of said retaining ring is slightly conical in cross section.
Claim 4
Dependent Claim
12 words
The assembly according to claim 1 wherein said retaining ring is cup-shaped.
Claim 5
Dependent Claim
29 words
The assembly according to claim 1 wherein said retaining ring is securely fixed to the outer race ring of said clutch release bearing to form a unitary assembly therewith.
Claim 6
Dependent Claim
25 words
The assembly according to claim 4 wherein the inner peripheral edge of said retaining ring is secured within the bore of a outer race ring.
Claim 7
Dependent Claim
28 words
The assembly according to claim 1 wherein said axially extending wall of said retaining ring is provided with one or more axially extending slots defining resilient fingers thereof.
Claim 8
Dependent Claim
31 words
The assembly according to claim 1 wherein the peripheral edge of said retaining ring is provided with one or more projections adapted to engage corresponding opening in the spring release member.
Claim 9
Dependent Claim
16 words
The assembly according to claim 1, wherein said outer race ring is formed of sheet metal.
Claim 10
Dependent Claim
15 words
The assembly according to claim 1, wherein said retaining ring is formed of sheet metal.
Claim 11
Dependent Claim
31 words
The assembly according to claim 1, wherein said retaining ring is formed with a radially inward directed flange, said flange being secured to the interior end of said outer race ring.
References Cited (Backward Citations)
DE19958C
Cited
US2700444A
Cited
US3093228A
Cited
US3167164A
Cited
US3365040A
Cited
DE1810787A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-08-10 | 1980-02-09 | 1980-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-08-10 | 1984-02-09 | 1984-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-08-10 | 1988-02-09 | 1988-08-10 | $7700.00 | Window Closed / Lapsed |