US3080783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge trimmer
Assignee: Allegheny Ludlum Steel Corp
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Filing: 1960-09-30
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Granted: 1963-03-12
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Expires: 1980-09-30
Abstract
No abstract record available.
Inventors
- 👤 Leroy H Knepshield
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:48
CPC Classifications
B; B23; B23D; B23D19/00; B23D19/04; B23D19/06; Y; Y10; Y10T; Y10T83/00; Y10T83/768; Y10T83/7738; Y10T83/7809; Y10T83/7822; Y10T83/7826; Y10T83/783; Y10T83/7843
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A METAL STRIP EDGE TRIMMER FOR SHEARING AN EDGE OF METAL STRIP COMPRISING, A BASE, A VERTICALLY EXTENDING TRUNNION CARRIED BY SAID BASE, A HOUSING DISPOSED OVER AND ROTATABLY MOUNTED ON SAID TRUNNION, MEANS FOR LOCKING SAID HOUSING AGAINST ROTATABLE MOVEMENT WHEN THE HOUSING IS IN ONE OF TWO PREDETERMINED POSITIONS, TWO SPACED SETS OF METAL TRIMMING APPARATUS CARRIED BY SAID HOUSING, EACH SET COMPRISING A PAIR OF VERTICALLY SPACED HORIZONTALLY DISPOSED SHAFTS ROTATABLY MOUNTED THROUGH SAID HOUSING, CUTTING MEANS CARRIED AT ONE END OF EACH OF SAID SHAFTS TO BE ROTATED THEREBY, SAID CUTTING MEANS OF EACH SAID SHAFT BEING DISPOSED AT THE SAME END OF ITS RESPECTIVE SHAFT AS THE CUTTING MEANS OF THE OTHER SHAFT OF SAID PAIRED SHAFTS THE CUTTING MEANS CARRIED BY SAID SETS BEING DISPOSED ADJACENT OPPOSITE SIDES OF SAID HOUSING TO SELECTIVELY RECEIVE AN EDGE OF SAID STRIP IN A CUTTING RELATION, WHEN THE HOUSING IS IN ONE OF SAID PREDETERMINED POSITIONS, CLUTCH MEANS CARRIED ON THE OTHER END OF EACH OF SAID SHAFTS, POWER DRIVE MEANS DISPOSED TO BE SELECTIVELY CON-
Claim 2
Dependent Claim
179 words
A METAL STRIP EDGE TRIMMER FOR SHEARING AN EDGE OF METAL STRIP COMPRISING, A BASE, A VERTICALLY EXTENDING TRUNNION CARRIED BY SAID BASE, A HOUSING DISPOSED OVER AND ROTATABLY MOUNTED ON SAID TRUNNION, MEANS FOR LOCKING SAID HOUSING AGAINST ROTATABLE MOVEMENT WHEN THE HOUSING IS IN ONE OF TWO PREDETERMINED POSITIONS, TWO SPACED SETS OF METAL TRIMMING APPARATUS CARRIED BY SAID HOUSING, EACH SET COMPRISING A PAIR OF VERTICALLY SPACED HORIZONTALLY DISPOSED SHAFTS ROTATABLY MOUNTED THROUGH SAID HOUSING, CUTTING MEANS CARRIED AT ONE END OF EACH OF SAID SHAFTS TO BE ROTATED THEREBY, SAID CUTTING MEANS OF EACH SAID SHAFT BEING DISPOSED AT THE SAME END OF ITS RESPECTIVE SHAFT AS THE CUTTING MEANS OF THE OTHER SHAFT OF SAID PAIRED SHAFTS THE CUTTING MEANS CARRIED BY SAID SETS BEING DISPOSED ADJACENT OPPOSITE SIDES OF SAID HOUSING TO SELECTIVELY RECEIVE AN EDGE OF SAID STRIP IN A CUTTING RELATION, WHEN THE HOUSING IS IN ONE OF SAID PREDETERMINED POSITIONS, CLUTCH MEANS CARRIED ON THE OTHER END OF EACH OF SAID SHAFTS, POWER DRIVE MEANS DISPOSED TO BE SELECTIVELY CON-
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) | 1966-03-11 | 1966-09-10 | 1967-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-11 | 1970-09-10 | 1971-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-11 | 1974-09-10 | 1975-03-12 | $7700.00 | Window Closed / Lapsed |