US3893736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting bearing
Assignee: Boeing North American Inc
•
Filing: 1974-01-21
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Granted: 1975-07-08
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Expires: 1994-01-21
Abstract
Abstract A spherical bearing assembly having an inner race member and an outer race member, the inner surface of the outer race member being a concave spherical surface, the outer surface of the inner member being a complimentary convex spherical surface, the inner member including a spool member and at least three spherical segments interlocked, in an axial direction, on the spool member.
Inventors
- 👤 Albert R Mccloskey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:18
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C23/045
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A spherical bearing assembly having an inner race member and an outer race member, the inner surface of the outer race member having a concave spherical surface, the outer surface of the inner member having a complimentary convex spherical surface, said inner member having a unitary spool member, at least three spherical segments interlocked in an axial direction on said spool member, said spool member has two annular lips one disposed at each end thereof, said annular lips maintaining said segments on said spool so as to mechanically interlock them on said spool member when said inner member is in its operational position, said annular lips of said spool member have an outer surface which is a chordal section, subtending the convex spherical surface of said inner member.
Claim 2
Dependent Claim
128 words
A spherical bearing assembly having an inner race member and an outer race member, the inner surface of the outer race member having a concave spherical surface, the outer surface of the inner member having a complimentary convex spherical surface, said inner member having a unitary spool member, at least three spherical segments interlocked in an axial direction on said spool member, said spool member has two annular lips one disposed at each end thereof, said annular lips maintaining said segments on said spool so as to mechanically interlock them on said spool member when said inner member is in its operational position, said annular lips of said spool member have an outer surface which is a chordal section, subtending the convex spherical surface of said inner member.
References Cited (Backward Citations)
US2675283A
Cited
US3089221A
Cited
US3020101A
Cited
US3069178A
Cited
US3266123A
Cited
US3655249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-07-07 | 1979-01-06 | 1979-07-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-07-07 | 1983-01-06 | 1983-07-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-07-07 | 1987-01-06 | 1987-07-08 | $7700.00 | Window Closed / Lapsed |