US4395142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-adjusting angular contact spherical bearing
Assignee: Timken US LLC
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Filing: 1981-03-18
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Granted: 1983-07-26
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Expires: 2001-03-18
Abstract
Abstract The spherical bearing has an outer race with a curved indented inner surface. An inner race support is provided with an annular channel having a bottom surface tapering toward the axis of the support from one side of the channel to the other side of the channel. The inner race is fitted within the channel. The inner race has an inner surface complementary with the bottom surface of the channel and an outer surface complementary with the curved indented inner surface of the outer race.
Inventors
- 👤 John H. Lobeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 10:48
CPC Classifications
F; F16; F16C; F16C23/00; F16C23/02; F16C23/04; F16C23/043; F16C17/00; F16C17/10
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
122 words
A spherical bearing comprising: an outer race having a curved, indented inner surface generally tapering inwardly from one axial end of the outer race toward the other end; a one piece support having an annular channel, the bottom surface of the annular channel tapering toward the axis of the support from one side of the annular channel to the other side of the annular channel and in the same direction as the curved, indented inner surface of the outer race; and a single removable annular plastic liner snap fitted within said annular channel, and having an inner surface complementary with the bottom surface of the annular channel and an outer surface complementary with the curved, indented inner surface of the outer race.
Claim 2
Dependent Claim
122 words
A spherical bearing comprising: an outer race having a curved, indented inner surface generally tapering inwardly from one axial end of the outer race toward the other end; a one piece support having an annular channel, the bottom surface of the annular channel tapering toward the axis of the support from one side of the annular channel to the other side of the annular channel and in the same direction as the curved, indented inner surface of the outer race; and a single removable annular plastic liner snap fitted within said annular channel, and having an inner surface complementary with the bottom surface of the annular channel and an outer surface complementary with the curved, indented inner surface of the outer race.
Claim 3
Dependent Claim
17 words
A spherical bearing in accordance with claim 1 wherein: the plastic liner is made of self-lubricating material.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-07-25 | 1987-01-24 | 1987-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-07-25 | 1991-01-24 | 1991-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-07-25 | 1995-01-24 | 1995-07-26 | $7700.00 | Window Closed / Lapsed |