US4310205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thrust washer retaining band
Assignee: Timken US LLC
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Filing: 1980-03-10
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Granted: 1982-01-12
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Expires: 2000-03-10
Abstract
Abstract An annular band fits over a thrust washer of a thrust bearing. At least one but preferably a plurality of circumferentially spaced radially extending protrusions are provided on the annular band. The protrusions are adapted to provide an interference fit between the thrust washer and the support such as a housing on which the thrust washer is mounted.
Inventors
- 👤 Charles E. Condon, Jr.
- 👤 Dean E. Johnston
- 👤 Charles W. Shattuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 02:42
CPC Classifications
F; F16; F16C; F16C19/00; F16C19/22; F16C19/30; F16C35/00; F16C35/04; F16C35/06; Y; Y10; Y10S; Y10S384/00; Y10S384/90; Y10S384/903
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
81 words
A thrust bearing comprising: a thrust bearing washer having a radially-extending portion and an axial annular flange; a plurality of rollers adapted to roll along said radially-extending portion of the thrust bearing washer and a separate annular band having an axially-extending annular portion having a periphery engaging a periphery of the thrust washer flange, said band having at least one protrusion adapted to provide an interference fit between the annular band and the device on which the thrust washer is mounted.
Claim 2
Dependent Claim
81 words
A thrust bearing comprising: a thrust bearing washer having a radially-extending portion and an axial annular flange; a plurality of rollers adapted to roll along said radially-extending portion of the thrust bearing washer and a separate annular band having an axially-extending annular portion having a periphery engaging a periphery of the thrust washer flange, said band having at least one protrusion adapted to provide an interference fit between the annular band and the device on which the thrust washer is mounted.
Claim 3
Dependent Claim
57 words
The thrust bearing of claim 1 wherein: the inside periphery of said band axially-extending annular portion engages the outside periphery of the thrust washer annular flange and the band has a radially, inwardly-extending annular portion integrally connected to the axially-extending annular portion said radially-extending annular portion contacting the edge of the annular flange of the thrust washer.
Claim 4
Dependent Claim
20 words
A band in accordance with claim 2 wherein: there are three protrusions circumferentially spaced apart by an approximate 120° arc.
References Cited (Backward Citations)
FR1047719A
Cited
GB894743A
Cited
GB1010792A
Cited
US3532402A
Cited
US3999816A
Cited
US3918779A
Cited
FR2351307A1
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-01-11 | 1985-07-13 | 1986-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-01-11 | 1989-07-13 | 1990-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-01-11 | 1993-07-13 | 1994-01-12 | $7700.00 | Window Closed / Lapsed |