US3072448A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pivotal bearing assembly for connecting two relatively moving members
Assignee: Jamco Inc
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Filing: 1961-02-16
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Granted: 1963-01-08
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Expires: 1981-02-16
Abstract
No abstract record available.
Inventors
- 👤 James O Melton
- 👤 Thomas B Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:38
CPC Classifications
F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/20; F16C11/00; F16C11/04; F16C2208/00; F16C2208/20; F16C2208/30; F16C2208/32; F16C2208/60; F16C2208/76; F16C2208/78; F16C2326/00; F16C2326/20; F16C2326/24; Y; Y10; Y10T; Y10T403/00; Y10T403/32; Y10T403/32606; Y10T403/32951
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
146 words
AN ASSEMBLY FOR PIVOTALLY JOURNALLING AN ARM HAVING A HUB AT ONE END UPON A SPINDLE, COMPRISING A METALLIC TUBULAR SLEEVE HAVING A BORE THERETHROUGH DIMENSIONED TO SLIDINGLY RECEIVE SAID SPINDLE; A HIGH DENSITY SYNTHETIC RESIN SLEEVE PRESS-FITTED ON SAID METALLIC SLEEVE; HIGH DENSITY SYNTHETIC RESIN BUSHING MEANS SLIDINGLY FITTING AROUND SAID HIGH DENSITY SYNTHETIC RESIN SLEEVE AND BEING OF A SIZE TO BE PRESSED INTO SAID HUB IN TIGHT FRICTIONAL ENGAGEMENT WITH THE INTERNAL WALL OF SAID HUB SO THAT SAID BUSHING MEANS WILL MOVE WITH SAID ARM RELATIVE TO SAID SPINDLE, SAID BUSHING MEANS PROJECTING AT ITS ENDS FROM EACH END OF SAID HUB; DISHED METALLIC WASHERS AROUND SAID SPINDLE ADJACENT EACH PROJECTING END OF SAID BUSHING MEANS; AND HIGH DENSITY SYNTHETIC RESIN LINER WASHERS IN THE CONCAVITY OF EACH OF SAID METALLIC WASHERS AND BEARING AGAINST THE PROJECTING ENDS OF SAID BUSHING MEANS.
Claim 2
Dependent Claim
146 words
AN ASSEMBLY FOR PIVOTALLY JOURNALLING AN ARM HAVING A HUB AT ONE END UPON A SPINDLE, COMPRISING A METALLIC TUBULAR SLEEVE HAVING A BORE THERETHROUGH DIMENSIONED TO SLIDINGLY RECEIVE SAID SPINDLE; A HIGH DENSITY SYNTHETIC RESIN SLEEVE PRESS-FITTED ON SAID METALLIC SLEEVE; HIGH DENSITY SYNTHETIC RESIN BUSHING MEANS SLIDINGLY FITTING AROUND SAID HIGH DENSITY SYNTHETIC RESIN SLEEVE AND BEING OF A SIZE TO BE PRESSED INTO SAID HUB IN TIGHT FRICTIONAL ENGAGEMENT WITH THE INTERNAL WALL OF SAID HUB SO THAT SAID BUSHING MEANS WILL MOVE WITH SAID ARM RELATIVE TO SAID SPINDLE, SAID BUSHING MEANS PROJECTING AT ITS ENDS FROM EACH END OF SAID HUB; DISHED METALLIC WASHERS AROUND SAID SPINDLE ADJACENT EACH PROJECTING END OF SAID BUSHING MEANS; AND HIGH DENSITY SYNTHETIC RESIN LINER WASHERS IN THE CONCAVITY OF EACH OF SAID METALLIC WASHERS AND BEARING AGAINST THE PROJECTING ENDS OF SAID BUSHING MEANS.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |