US3266349A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lathe driving and centering means
Assignee: ACF Industries Inc
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Filing: 1964-09-01
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Granted: 1966-08-16
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Expires: 1984-09-01
Abstract
No abstract record available.
Inventors
- 👤 Thomas L Lane
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:26
CPC Classifications
B; B23; B23B; B23B33/00; B23B33/005; Y; Y10; Y10T; Y10T82/00; Y10T82/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
IN A LATHE, A HEADSTOCK AND A TIALSTOCK EACH HAVING A CENTER FOR ENTERING A BORE OF A WORKPIECE, SAID HEADSTOCK HAVING A PLURALITY OF DRIVING PINS PROTRUDING FROM THE HEADSTOCK AND EXTENDING PARALLEL TO ITS AXIS AND CIRCULARLY ARRANGED AROUND THE CENTER OF THE HEADSTOCK, SAID HEADSTOCK HAVING A CAM BEHIND SAID DRIVING PINS, SAID CAM HAVING A FIRST SURFACE ENGAGED BY SAID DRIVING PINS AND AN OPPOSITE CURVED SURFACE, SAID HEADSTOCK HAVING A SIMILARLY CURVED SURFACE BEARING AGAINST THE CURVED SURFACE OF THE CAM, MEANS FOR MOVING THE CENTERS INTO THE BORES OF THE WORKPIECE AND MOVING THE CENTERED WORKPIECE AGANINST THE PROTRUDING ENDS OF THE DRIVING PINS, WHEREBY A GREATER FORCE ON ONE OF THE DRIVING PINS THAN ON AN OPPOSITE DRIVING PIN MOVES THE CAM SO AS TO MOVE SAID OPPOSITE DRIVING PIN TOWARD THE WORKPIECE.
Claim 2
Dependent Claim
140 words
IN A LATHE, A HEADSTOCK AND A TIALSTOCK EACH HAVING A CENTER FOR ENTERING A BORE OF A WORKPIECE, SAID HEADSTOCK HAVING A PLURALITY OF DRIVING PINS PROTRUDING FROM THE HEADSTOCK AND EXTENDING PARALLEL TO ITS AXIS AND CIRCULARLY ARRANGED AROUND THE CENTER OF THE HEADSTOCK, SAID HEADSTOCK HAVING A CAM BEHIND SAID DRIVING PINS, SAID CAM HAVING A FIRST SURFACE ENGAGED BY SAID DRIVING PINS AND AN OPPOSITE CURVED SURFACE, SAID HEADSTOCK HAVING A SIMILARLY CURVED SURFACE BEARING AGAINST THE CURVED SURFACE OF THE CAM, MEANS FOR MOVING THE CENTERS INTO THE BORES OF THE WORKPIECE AND MOVING THE CENTERED WORKPIECE AGANINST THE PROTRUDING ENDS OF THE DRIVING PINS, WHEREBY A GREATER FORCE ON ONE OF THE DRIVING PINS THAN ON AN OPPOSITE DRIVING PIN MOVES THE CAM SO AS TO MOVE SAID OPPOSITE DRIVING PIN TOWARD THE WORKPIECE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |