Patent US2424741A successfully refreshed from Google Patents.
US3100375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Spindle-holder
Assignee: Individual
•
Filing: 1962-09-18
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Granted: 1963-08-13
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Expires: 1982-09-18
Abstract
No abstract record available.
Inventors
- 👤 Bourgeas Pierre
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:10
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/04; D01H7/08; D01H7/12; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10; F16C2340/00; F16C2340/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
207 words
A SPINDLE-HOLDER FOR SUPPORTING A ROTATABLE SPINDLE WHICH TERMINATES IN A PIVOT AT ITS LOWER END, THE SPINDLEHOLDER COMPRISING: A FOOT AT ITS LOWER END, CLOSED AT THE BOTTOM, THE FOOT BEING FORMED WITH A CONCENTRIC CAVITY IN ITS UPPER PORTION AND WITH A AXIAL DUCT COMMUNICATING WITH THIS CAVITY, A BUSH LODGED IN THIS CAVITY AND SERVING AS A FOOT-STEP BEARING IN WHICH THE PIVOT OF THE SPINDLE REVOLVES AND IS SUPPORTED, A WASHER INTERPOSED BETWEEN THE UNDER SIDE OF THE BUSH AND THE BOTTOM OF THE CAVITY IN THE FOOT, AND A CUP ADAPTED TO CONTAIN LUBRICATING OIL, ENCLOSING THE LOWER END OF THE SPINDLE-HOLDER, THE WASHER BEING FORMED WITH AT RADIAL SLIT AND THE SPINDLE-HOLDER BEING FORMED WITH AT LEAST ONE RADIAL DUCT IN THE REGION OF THE PIVOT BUT ABOVE THE LEVEL OF THE BUSH, SO THAT WHEN THE SPINDLE IS REVOLVING, OIL WILL FLOW OUTWARDS THROUGH THE RADIAL DUCT IN THE SPINDLE-HOLDER DOWN BETWEEN THE FOOT OF THE SPINDLE-HOLDER AND THE SIDES OF THE CUP, AND UP AGAIN FROM THE BOTTOM OF THE CUP THROUGH THE AXIAL DUCT IN THE FOOT, THE SLIT IN THE WASHER, AND THE CLEARANCE SPACE BETWEEN THE BUSH AND THE SIDES OF THE CAVITY IN THE FOOT.
Claim 2
Dependent Claim
207 words
A SPINDLE-HOLDER FOR SUPPORTING A ROTATABLE SPINDLE WHICH TERMINATES IN A PIVOT AT ITS LOWER END, THE SPINDLEHOLDER COMPRISING: A FOOT AT ITS LOWER END, CLOSED AT THE BOTTOM, THE FOOT BEING FORMED WITH A CONCENTRIC CAVITY IN ITS UPPER PORTION AND WITH A AXIAL DUCT COMMUNICATING WITH THIS CAVITY, A BUSH LODGED IN THIS CAVITY AND SERVING AS A FOOT-STEP BEARING IN WHICH THE PIVOT OF THE SPINDLE REVOLVES AND IS SUPPORTED, A WASHER INTERPOSED BETWEEN THE UNDER SIDE OF THE BUSH AND THE BOTTOM OF THE CAVITY IN THE FOOT, AND A CUP ADAPTED TO CONTAIN LUBRICATING OIL, ENCLOSING THE LOWER END OF THE SPINDLE-HOLDER, THE WASHER BEING FORMED WITH AT RADIAL SLIT AND THE SPINDLE-HOLDER BEING FORMED WITH AT LEAST ONE RADIAL DUCT IN THE REGION OF THE PIVOT BUT ABOVE THE LEVEL OF THE BUSH, SO THAT WHEN THE SPINDLE IS REVOLVING, OIL WILL FLOW OUTWARDS THROUGH THE RADIAL DUCT IN THE SPINDLE-HOLDER DOWN BETWEEN THE FOOT OF THE SPINDLE-HOLDER AND THE SIDES OF THE CUP, AND UP AGAIN FROM THE BOTTOM OF THE CUP THROUGH THE AXIAL DUCT IN THE FOOT, THE SLIT IN THE WASHER, AND THE CLEARANCE SPACE BETWEEN THE BUSH AND THE SIDES OF THE CAVITY IN THE FOOT.
References Cited (Backward Citations)
FR1127067A
Cited
FR1242136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-08-12 | 1967-02-11 | 1967-08-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-08-12 | 1971-02-11 | 1971-08-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-08-12 | 1975-02-11 | 1975-08-13 | $7700.00 | Window Closed / Lapsed |