US3090079A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making bushings for ball and socket joints
Assignee: Individual
•
Filing: 1959-11-03
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Granted: 1963-05-21
•
Expires: 1979-11-03
Abstract
No abstract record available.
Inventors
- 👤 Gottschald Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 12:04
CPC Classifications
F; F16; F16C; F16C11/00; F16C11/04; F16C11/06; F16C11/0666; F16C11/0671; B; B29; B29C; B29C53/00; B29C53/22; B29C53/30; B29C55/00; B29L; B29L2031/00; B29L2031/04; B29L2031/045; Y; Y10; Y10S; Y10S264/00; Y10S264/66
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A METHOD OF MAKING A SPERICAL BUSHING HAVING AN INTEGRAL AND COLLAR FOR SURROUNDING THE BALL PIN OF A BALL AND SOCKET JOINT, COMPRISING THE STEPS OF: (A) PLACING CROSS-LINKED POLYURETHANE INTO A MOLD HAVING A CORE TO FORM A SPHERICAL BUSHING HAVING AN INTEGRAL SLEEVE-LIKE EXTENSION; (B) REMOVING THE SPHERICAL BUSHING AND ITS SLEEVELIKE EXTENSION FROM THE MOLD; (C) INSERTING A CORE INTO THE SLEEVE-LIKE EXTENSION TO THEREBY WIDEN THE EXTENSION BY ELASTIC DEFORMATION; (D) PLACING THE CORE, TOGETHER WITH THE ELASTICALLY DEFORMED SLEEVE-LIKE EXTENSION INTO A DIE HAVING AN INTERNAL DIAMETER AND SHAPE CORRESPONDING TO THE EXTERNAL DIAMETER AND SHAPE OF THE EXTENSION TO BE FORMED; (E) SIMULTANEOUSLY APPLYING PRESSURE AND HEAT TO THE EXTENSION AND CORE TO THEREBY CHANGE THE ELASTIC DEFORMATION INTO A PLASTIC DEFORMATION, WHEREBY THE HARDNESS OF THE EXTENSION IS REDUCED; (F) REMOVING THE DEFORMED EXTENSION AND CORE FROM THE DIE; AND (G) REMOVING THE CORE FROM THE DEFORMED SLEEVE-LIKE EXTENSION.
Claim 2
Independent Claim
157 words
A METHOD OF MAKING A SPERICAL BUSHING HAVING AN INTEGRAL AND COLLAR FOR SURROUNDING THE BALL PIN OF A BALL AND SOCKET JOINT, COMPRISING THE STEPS OF: (A) PLACING CROSS-LINKED POLYURETHANE INTO A MOLD HAVING A CORE TO FORM A SPHERICAL BUSHING HAVING AN INTEGRAL SLEEVE-LIKE EXTENSION; (B) REMOVING THE SPHERICAL BUSHING AND ITS SLEEVELIKE EXTENSION FROM THE MOLD; (C) INSERTING A CORE INTO THE SLEEVE-LIKE EXTENSION TO THEREBY WIDEN THE EXTENSION BY ELASTIC DEFORMATION; (D) PLACING THE CORE, TOGETHER WITH THE ELASTICALLY DEFORMED SLEEVE-LIKE EXTENSION INTO A DIE HAVING AN INTERNAL DIAMETER AND SHAPE CORRESPONDING TO THE EXTERNAL DIAMETER AND SHAPE OF THE EXTENSION TO BE FORMED; (E) SIMULTANEOUSLY APPLYING PRESSURE AND HEAT TO THE EXTENSION AND CORE TO THEREBY CHANGE THE ELASTIC DEFORMATION INTO A PLASTIC DEFORMATION, WHEREBY THE HARDNESS OF THE EXTENSION IS REDUCED; (F) REMOVING THE DEFORMED EXTENSION AND CORE FROM THE DIE; AND (G) REMOVING THE CORE FROM THE DEFORMED SLEEVE-LIKE EXTENSION.
References Cited (Backward Citations)
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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) | 1966-05-20 | 1966-11-19 | 1967-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-20 | 1970-11-19 | 1971-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-20 | 1974-11-19 | 1975-05-21 | $7700.00 | Window Closed / Lapsed |