Patent US3554586A successfully refreshed from Google Patents.
US3554586A
Expired / Lapsed
US
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Ball-and-socket joint
Assignee: BASF Polyurethanes GmbH
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Filing: 1969-07-08
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Granted: 1971-01-12
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Expires: 1989-07-08
Abstract
Abstract A BALL-AND-SOCKET JOINT WITH A HOUSING FOR THE BEARING OF THE BALL END OF THE BALL PIN, THE BEARING HAVING AN OUTER SHAPE MATING WITH A CYLINDRICAL-TRUNCONICAL BORE IN THE HOUSING AND BEING FORCED INTO THE CONE PORTION BY EXERTING A FORCE ONTO THE UPPER BEARING FACE, TRANSMITTED BY RESILIENT PROJECTIONS OF THE BEARING, THE PROJECTIONS BEING DESIGNED TO FREELY EXPAND PERPENDICULARLY WITH RESPECT TO THE FORCE DIRECTION IN ORDER TO PROVIDE SUFFICIENT PRE-STRESS IN SPITE OF THE BEARING BEING SHIFTED INTO THE CONE DURING USE OF THE JOINT.
Inventors
- 👤 Richard G Cutler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:13
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0619; F16C11/0623; F16C11/0628; F16C11/0633; F16C11/0638; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/32778
Claims Analysis
Total Claims: 0
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |