Patent US3274736A successfully refreshed from Google Patents.
US3274736A
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Edge tooling apparatus
Assignee: Sun Tool and Machine Co
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Filing: 1964-03-20
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Granted: 1966-09-27
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Expires: 1984-03-20
Abstract
No abstract record available.
Inventors
- 👤 Brokaw Roscoe Theron
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:20
CPC Classifications
B; B24; B24B; B24B9/00; B24B9/02; B24B9/06; B24B9/08; B24B9/10; B24B9/105
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A MACHINE FOR EDGE TOOLING A GENERALLY PLANAR WORKPIECE WHICH IS UNSYMMETRICAL ABOUT AN AXIS OF ROTATION NORMAL TO THE PLANE OF SUCH WORKPIECE, A SPEED CONTROL DEVICE COMPRISING, IN COMBINATION, MEANS FOR ROTATING SUCH WORKPIECE ON SUCH AXIS, SWITCHING MEANS, A PLURALITY OF VARIABLE SPEED CONTROL MEANS RESPONSIVE TO SAID SWITCHING MEANS AND MEANS FOR ACTUATING SAID SWITCHING MEANS AT PREDETERMINED ANGULAR INCREMENTS OF EACH REVOLUTION OF SUCH WORKPIECE, WHEREBY THE ANGULAR SPEED OF SUCH WORKPIECE IS SEPARATELY CONTROLLED AS IT PASSES THROUGH CONSECUTIVE ANGULAR INCREMENTS.
Claim 2
Dependent Claim
88 words
IN A MACHINE FOR EDGE TOOLING A GENERALLY PLANAR WORKPIECE WHICH IS UNSYMMETRICAL ABOUT AN AXIS OF ROTATION NORMAL TO THE PLANE OF SUCH WORKPIECE, A SPEED CONTROL DEVICE COMPRISING, IN COMBINATION, MEANS FOR ROTATING SUCH WORKPIECE ON SUCH AXIS, SWITCHING MEANS, A PLURALITY OF VARIABLE SPEED CONTROL MEANS RESPONSIVE TO SAID SWITCHING MEANS AND MEANS FOR ACTUATING SAID SWITCHING MEANS AT PREDETERMINED ANGULAR INCREMENTS OF EACH REVOLUTION OF SUCH WORKPIECE, WHEREBY THE ANGULAR SPEED OF SUCH WORKPIECE IS SEPARATELY CONTROLLED AS IT PASSES THROUGH CONSECUTIVE ANGULAR INCREMENTS.
References Cited (Backward Citations)
US2579337A
Cited
US2627593A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |