Patent US3075321A successfully refreshed from Google Patents.
US3075321A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Workpiece handling mechanism for centerless grinder
Assignee: Milacron Inc
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Filing: 1961-08-23
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Granted: 1963-01-29
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Expires: 1981-08-23
Abstract
No abstract record available.
Inventors
- 👤 William B Seidel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 17:27
CPC Classifications
B; B24; B24B; B24B5/00; B24B5/35; B24B5/355
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
IN A CENTERLESS GRINDING MACHINE HAVING A GRINDING WHEEL AND HAVING A REGULATING WHEEL OPPOSITE TO AND SPACED FROM THE GRINDING WHEEL TO DEFINE A GRINDING THROAT THEREBETWEEN, THE COMBINATION COMPRISING A PAIR OF ARMS EACH HAVING A PIVOTAL WORKPIECE SUPPORT AT ONE END, THE OPPOSTE ENDS OF SAID ARMS PIVOTALLY CONNECTED ON OPPOSITE SIDES OF THE GRINDING THROAT FOR SWINGING THE WORKPIECE SUPPORT TO AND FROM THE THROAT, MEANS TO SWING THE ARMS SIMULTANEOUSLY TO MOVE ONE WORKPIECE SUPPORT TOWARD THE THROAT AS THE OTHER WORKPIECE SUPPORT MOVES AWAY FROM THE THROAT, AND MEANS TO PIVOT THE WORKPIECE SUPPORTS AS THE ARMS ARE SWINGING.
Claim 2
Dependent Claim
105 words
IN A CENTERLESS GRINDING MACHINE HAVING A GRINDING WHEEL AND HAVING A REGULATING WHEEL OPPOSITE TO AND SPACED FROM THE GRINDING WHEEL TO DEFINE A GRINDING THROAT THEREBETWEEN, THE COMBINATION COMPRISING A PAIR OF ARMS EACH HAVING A PIVOTAL WORKPIECE SUPPORT AT ONE END, THE OPPOSTE ENDS OF SAID ARMS PIVOTALLY CONNECTED ON OPPOSITE SIDES OF THE GRINDING THROAT FOR SWINGING THE WORKPIECE SUPPORT TO AND FROM THE THROAT, MEANS TO SWING THE ARMS SIMULTANEOUSLY TO MOVE ONE WORKPIECE SUPPORT TOWARD THE THROAT AS THE OTHER WORKPIECE SUPPORT MOVES AWAY FROM THE THROAT, AND MEANS TO PIVOT THE WORKPIECE SUPPORTS AS THE ARMS ARE SWINGING.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |