Patent US3146562A successfully refreshed from Google Patents.
US3146562A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power driven ridge reamer
Assignee: Individual
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Filing: 1961-11-08
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Granted: 1964-09-01
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Expires: 1981-11-08
Abstract
No abstract record available.
Inventors
- 👤 Charles C Renfroe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:19
CPC Classifications
B; B24; B24B; B24B23/00; B24B23/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A MACHINE FOR REMOVING A RIDGE IN CYLINDERS COMPRISING AT LEAST ONE PAIR OF CUTTERS, MEANS MOUNTING SAID CUTTERS IN OPPOSED POSITION WHEREBY THE RADIAL OUTWARD MOVEMENT OF ONE OPPOSES THE RADIAL OUTWARD MOVEMENT OF THE OTHER OF THE PAIR OF CUTTERS WHEN SAID CUTTERS ARE IN ENGAGEMENT WITH THE WALL OF A CYLINDER, SAID MOUNTING MEANS INCLUDING SPRING MEANS FOR URGING SAID CUTTERS AWAY FROM EACH OTHER, MEANS FOR CAUSING SAID CUTTERS AND THEIR MOUNTING MEANS TO ROTATE IN A CIRCULAR PATH ABOUT A CENTER, AND MEANS FOR FIXING SAID CUTTER ROTATING MEANS ON A FIXED SUPPORT, SAID CUTTER MOUNTING MEANS INCLUDING A PIVOTAL SUPPORT FOR EACH CUTTER FOR FREELY ROTATABLY SUPPORTING EACH CUTTER ON A SUBSTANTIALLY HORIZONTAL AXIS WHEN IN CUTTING POSITION.
Claim 2
Dependent Claim
124 words
A MACHINE FOR REMOVING A RIDGE IN CYLINDERS COMPRISING AT LEAST ONE PAIR OF CUTTERS, MEANS MOUNTING SAID CUTTERS IN OPPOSED POSITION WHEREBY THE RADIAL OUTWARD MOVEMENT OF ONE OPPOSES THE RADIAL OUTWARD MOVEMENT OF THE OTHER OF THE PAIR OF CUTTERS WHEN SAID CUTTERS ARE IN ENGAGEMENT WITH THE WALL OF A CYLINDER, SAID MOUNTING MEANS INCLUDING SPRING MEANS FOR URGING SAID CUTTERS AWAY FROM EACH OTHER, MEANS FOR CAUSING SAID CUTTERS AND THEIR MOUNTING MEANS TO ROTATE IN A CIRCULAR PATH ABOUT A CENTER, AND MEANS FOR FIXING SAID CUTTER ROTATING MEANS ON A FIXED SUPPORT, SAID CUTTER MOUNTING MEANS INCLUDING A PIVOTAL SUPPORT FOR EACH CUTTER FOR FREELY ROTATABLY SUPPORTING EACH CUTTER ON A SUBSTANTIALLY HORIZONTAL AXIS WHEN IN CUTTING POSITION.
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) | 1967-09-01 | 1968-03-02 | 1968-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-01 | 1972-03-02 | 1972-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-01 | 1976-03-02 | 1976-09-01 | $7700.00 | Window Closed / Lapsed |