Patent US3899653A successfully refreshed from Google Patents.
US4073162A
Expired / Lapsed
US
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Thrust washer strip
Assignee: Timken US LLC
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Filing: 1976-08-02
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Granted: 1978-02-14
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Expires: 1996-08-02
Abstract
Abstract This is a plastic thrust washer strip consisting of a plurality of plastic thrust washers integrally interconnected by thin plastic webs. The plastic webs and integral plastic tabs on each washer of the strip serve to locate and hold the washer strip on the hub of a universal joint.
Inventors
- 👤 James G. DeBisschop
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:50
CPC Classifications
F; F16; F16D; F16D3/00; F16D3/16; F16D3/26; F16D3/38; F16D3/40
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
56 words
A plastic thrust washer strip comprising: a plurality of integral interconnected plastic washers; and at least one tab on a washer at one lateral side of the strip and at least one tab on a washer at the other lateral side of the strip for locating said washer strip on the hub of a universal joint.
Claim 2
Dependent Claim
56 words
A plastic thrust washer strip comprising: a plurality of integral interconnected plastic washers; and at least one tab on a washer at one lateral side of the strip and at least one tab on a washer at the other lateral side of the strip for locating said washer strip on the hub of a universal joint.
Claim 3
Dependent Claim
51 words
The plastic thrust washer strip of claim 1 wherein: the means for locating the washer strip on a universal joint hub includes a plastic clasp member on one of said washers and a plastic clasp member on another of said washers, said plastic clasp members being adapted to be joined together.
Claim 4
Dependent Claim
50 words
The plastic thrust washer strip of claim 1 wherein: the tabs are a pair of diametrically spaced tab members on the outside of at least one washer, said tab members being adapted to engage surfaces on the universal joint hub; and the means interconnecting the washers are thin plastic webs.
Claim 5
Dependent Claim
83 words
For use with a universal joint: a central pivoting and torque transmitting hub; a plastic thrust washer strip wrapped about said hub, the plastic thrust washer strip including four interconnected plastic thrust washers, one washer for each of four sides of the hub; and at least one tab on a washer at one lateral side of the strip and at least one tab on a washer at the other lateral side of the strip for locating the four plastic washers on the hub.
Claim 6
Dependent Claim
83 words
For use with a universal joint: a central pivoting and torque transmitting hub; a plastic thrust washer strip wrapped about said hub, the plastic thrust washer strip including four interconnected plastic thrust washers, one washer for each of four sides of the hub; and at least one tab on a washer at one lateral side of the strip and at least one tab on a washer at the other lateral side of the strip for locating the four plastic washers on the hub.
Claim 7
Dependent Claim
18 words
An assembly in accordance with claim 4 wherein the means interconnecting the plastic washers are thin plastic webs.
Claim 8
Dependent Claim
45 words
An assembly in accordance with claim 5, wherein the tabs are a pair of diametrically spaced outer tabs on at least one of the plastic washers perpendicular to the line of washers, said outer tabs being adapted to fit over the edges of the hub.
References Cited (Backward Citations)
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Cited
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US1354912A
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US3073630A
Cited
US3740969A
Cited
US3899074A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-02-13 | 1981-08-15 | 1982-02-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-02-13 | 1985-08-15 | 1986-02-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-02-13 | 1989-08-15 | 1990-02-14 | $7700.00 | Window Closed / Lapsed |