Patent US2560023A successfully refreshed from Google Patents.
US2560023A
Expired / Lapsed
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Method of making precision resilient bushing
Assignee: Bridgestone Firestone Inc
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Filing: 1948-03-03
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Granted: 1951-07-10
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Expires: 1968-03-03
Abstract
No abstract record available.
Inventors
- 👤 Clarence E Workman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:50
CPC Classifications
B; B25; B25B; B25B27/00; B25B27/14; B25B27/28; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49636; Y10T29/49643; Y10T29/49647; Y10T29/49668; Y10T29/4967; Y10T29/49826; Y10T29/4984; Y10T29/49844; Y10T29/49861; Y10T29/53; Y10T29/53657
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
THE METHOD OF CONSTRUCTING A RESILIENT BUSHING OF THE TYPE COMPRISING AN OUTER, TUBULAR METAL SLEEVE AND AN INNER, RUBBER-LIKE COMPONENT CARRIED BY A SHAFT AND UNDER COMPRESSIVE STRESS BETWEEN THE SLEEVE AND SHAFT WHICH COMPRISES MOLDING THE SAID COMPONENT INTO BONDED RELATION WITH THE SHAFT, CENTERING THE SHAFT, GRINDING THE RUBBER-LIKE COMPONENT INTO CONCENTRICITY WITH THE SHAFT, COMPRESSING THE RUBBER-LIKE COMPONENT AND INSERTING IT WHILE SO COMPRESSED INTO THE SLEEVE IN APPROXIMATELY FINAL POSITION, RECIPROCATING THE SLEEVE RELATIVELY TO THE SHAFT, AGAIN CENTERING THE SHAFT, AND REDUCING THE SLEEVE TO CONCENTRICITY WITH THE SHAFT.
Claim 2
Independent Claim
95 words
THE METHOD OF CONSTRUCTING A RESILIENT BUSHING OF THE TYPE COMPRISING AN OUTER, TUBULAR METAL SLEEVE AND AN INNER, RUBBER-LIKE COMPONENT CARRIED BY A SHAFT AND UNDER COMPRESSIVE STRESS BETWEEN THE SLEEVE AND SHAFT WHICH COMPRISES MOLDING THE SAID COMPONENT INTO BONDED RELATION WITH THE SHAFT, CENTERING THE SHAFT, GRINDING THE RUBBER-LIKE COMPONENT INTO CONCENTRICITY WITH THE SHAFT, COMPRESSING THE RUBBER-LIKE COMPONENT AND INSERTING IT WHILE SO COMPRESSED INTO THE SLEEVE IN APPROXIMATELY FINAL POSITION, RECIPROCATING THE SLEEVE RELATIVELY TO THE SHAFT, AGAIN CENTERING THE SHAFT, AND REDUCING THE SLEEVE TO CONCENTRICITY WITH THE SHAFT.
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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) | 1954-07-09 | 1955-01-08 | 1955-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-09 | 1959-01-08 | 1959-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-09 | 1963-01-08 | 1963-07-10 | $7700.00 | Window Closed / Lapsed |