US3695651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ball joint with cover plate
Assignee: TRW Fahrwerksysteme GmbH and Co KG
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Filing: 1970-09-22
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Granted: 1972-10-03
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Expires: 1990-09-22
Abstract
Abstract A ball and socket joint having a cover plate connected to the peripheral edge of the joint housing by a friction weld.
Inventors
- 👤 Klaus Stuck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:27
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0666; F16C11/0676; F16C11/0619; F16C11/0623; F16C11/0642; F16C2326/00; F16C2326/01; F16C2326/05; F16C2326/20; F16C2326/24; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49648; Y10T29/49657; Y10T29/49663; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32631; Y10T403/32737; Y10T403/32778
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
124 words
A ball and socket joint comprising: a. a housing, b. a ball element in said housing, c. a joint pin connected to said ball element and extending from said housing, d. a cover plate connected to the peripheral edge of said housing on the end opposite said joint pin by a friction weld, e. a layer of heat resistant material for insulating the interior of said housing from heat caused by friction in assembly, f. a bearing insert between said ball element and said housing, said layer of heat resistant materiaL being clamped between and against one end of said bearing insert and the bottom of said cover plate, and engaging the inner periphery of said housing adjacent the bottom of said cover plate.
Claim 2
Dependent Claim
124 words
A ball and socket joint comprising: a. a housing, b. a ball element in said housing, c. a joint pin connected to said ball element and extending from said housing, d. a cover plate connected to the peripheral edge of said housing on the end opposite said joint pin by a friction weld, e. a layer of heat resistant material for insulating the interior of said housing from heat caused by friction in assembly, f. a bearing insert between said ball element and said housing, said layer of heat resistant materiaL being clamped between and against one end of said bearing insert and the bottom of said cover plate, and engaging the inner periphery of said housing adjacent the bottom of said cover plate.
Claim 3
Dependent Claim
29 words
A ball and socket joint as defined in claim 1 wherein said housing has a recess at said opposite end and said cover plate being positioned in said recess.
Claim 4
Dependent Claim
42 words
A ball and socket joint as defined in claim 1 wherein said cover plate has a dome thereon whereby said cover plate contacts only the peripheral edge of said housing and is not in contact with any other elements of the joint.
Claim 5
Dependent Claim
27 words
A ball and socket joint as defined in claim 1 wherein said housing includes an enlarged diameter shoulder and said cover plate being positioned on said shoulder.
Claim 6
Dependent Claim
40 words
A ball and socket joint as defined in claim 1 including a pair of ball cups positioned in said housing between the inner wall thereof and said ball element, at least one of said cups being of an elastic material.
Claim 7
Dependent Claim
21 words
A ball and socket joint as defined in claim 4 wherein said material is polyurethane plastic having a cross-linked molecular structure.
Claim 8
Dependent Claim
25 words
A ball and socket joint as defined in claim 1 wherein said cover is in the form of cylindrical dish having a peripheral flange thereon.
Claim 9
Dependent Claim
73 words
A ball and socket joint comprising: a. a housing, b. a ball element in said housing, c. a joint pin connected to said ball element and extending from said housing, d. a cover plate connected to the peripheral edge of said housing on the end opposite said joint pin by a friction weld, and e. a layer of asbestos for insulating the interior of said housing from heat caused by friction in assembly.
Claim 10
Dependent Claim
73 words
A ball and socket joint comprising: a. a housing, b. a ball element in said housing, c. a joint pin connected to said ball element and extending from said housing, d. a cover plate connected to the peripheral edge of said housing on the end opposite said joint pin by a friction weld, and e. a layer of asbestos for insulating the interior of said housing from heat caused by friction in assembly.
References Cited (Backward Citations)
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Cited
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |