Patent US4767288A successfully refreshed from Google Patents.
Patent US3308696A successfully refreshed from Google Patents.
US3308696A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lathe live center
Assignee: Individual
•
Filing: 1965-03-03
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Granted: 1967-03-14
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Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Marca John La
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:29
CPC Classifications
B; B23; B23B; B23B23/00; B23B23/04; B23B23/045; B23B33/00; B23B2260/00; B23B2260/008; B23B2260/0085; B23B2260/124; Y; Y10; Y10T; Y10T82/00; Y10T82/25; Y10T82/2568
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A LIVE CENTER ASSEMBLY FOR A LATHE, COMPRISING, (A) A SHAFT, (B) A HOUSING ROTATABLY MOUNTED ON ONE END OF THE SHAFT, THE HOUSING HAVING SPACED OUTER AND INNER END WALLS EXTENDING BEYOND THE END OF THE SHAFT WITH AN OPENING THROUGH AT LEAST THE OUTER END WALL, (C) A PLATE SLIDABLY DISPOSED IN THE SPACE BETWEEN THE END WALLS, (D) A CENTER PIN MOUNTED ON THE PLATE AND PROJECTING BEYOND THE PLANE OF THE OUTER END WALLS, AND (E) MEANS FOR ADJUSTING THE PLATE IN ALL DIRECTIONS TRANSVERSELY OF THE AXIS OF ROTATION OF THE HOUSING, WHEREBY THE CENTER PIN MAY BE OFFSET FROM A NEUTRAL POSITION OF ALIGNMENT WITH THE AXIS OF ROTATION.
Claim 2
Dependent Claim
115 words
A LIVE CENTER ASSEMBLY FOR A LATHE, COMPRISING, (A) A SHAFT, (B) A HOUSING ROTATABLY MOUNTED ON ONE END OF THE SHAFT, THE HOUSING HAVING SPACED OUTER AND INNER END WALLS EXTENDING BEYOND THE END OF THE SHAFT WITH AN OPENING THROUGH AT LEAST THE OUTER END WALL, (C) A PLATE SLIDABLY DISPOSED IN THE SPACE BETWEEN THE END WALLS, (D) A CENTER PIN MOUNTED ON THE PLATE AND PROJECTING BEYOND THE PLANE OF THE OUTER END WALLS, AND (E) MEANS FOR ADJUSTING THE PLATE IN ALL DIRECTIONS TRANSVERSELY OF THE AXIS OF ROTATION OF THE HOUSING, WHEREBY THE CENTER PIN MAY BE OFFSET FROM A NEUTRAL POSITION OF ALIGNMENT WITH THE AXIS OF ROTATION.
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) | 1970-03-13 | 1970-09-12 | 1971-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-13 | 1974-09-12 | 1975-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-13 | 1978-09-12 | 1979-03-14 | $7700.00 | Window Closed / Lapsed |