US3582163A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anti-lubricant creep ball bearing
Assignee: Schaeffler Aerospace USA Corp
•
Filing: 1969-03-10
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Granted: 1971-06-01
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Expires: 1989-03-10
Abstract
Abstract A ball bearing in which thin films of tetrafluoroethylene extend around the lands of the bearing rings from a location adjacent the edges of the ball grooves to the end faces of the rings and radially for a distance along the end faces to inhibit the flow of lubricant from the grooves along the surfaces of the lands and faces.
Inventors
- 👤 Lewis W Mckee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 01:05
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/30; F16C33/58; F16C33/62; F16C33/583; F16C33/66; F16C33/6637; F16C33/664; F16C19/00; F16C19/02; F16C19/04; F16C19/06; F16C2202/00; F16C2202/60; F16C2208/00; F16C2208/20; F16C2208/30
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
14 words
An assembly as in claim 1 in which said lubricant anticreep material is polytetrafluoroethylene.
Claim 2
Dependent Claim
25 words
An assembly as in claim 1 in which said films extend outwardly to said end faces and radially for a distance along the end faces.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-31 | 1974-11-30 | 1975-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-31 | 1978-11-30 | 1979-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-31 | 1982-11-30 | 1983-06-01 | $7700.00 | Window Closed / Lapsed |