US3257906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Edge trimming machine
Assignee: Imperial Metal Industries Kynoch Ltd
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Filing: 1964-06-29
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Granted: 1966-06-28
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Expires: 1984-06-29
Abstract
No abstract record available.
Inventors
- 👤 Melville William
- 👤 Wood Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:44
CPC Classifications
B; B23; B23Q; B23Q35/00; B23Q35/04; B23Q35/08; B23Q35/18; B23Q35/181; B23Q35/183; B23C; B23C3/00; B23C3/12; B23Q11/00; B23Q16/00; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/304144; Y10T409/306664; Y10T409/307224; Y10T409/307336
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
169 words
AN EDGE TRIMMING MACHINE COMPRISING A PAIR OF DRIVABLE, ROTARY CUTTERS MOUNTED IN SPACED-APART RELATIONSHIP FOR CUTTING EDGES OF A METAL STRIP TO BE FED ALONG A PREDETERMINED PATH BETWEEN THE CUTTERS, THE CUTTERS BEING MOVABLE TRANSVERSELY WITH RESPECT TO THE PREDETERMINED PATH, SENSING MEANS FOR COOPERATION WITH THE EDGES OF THE STRIP ON THE INGOING SIDE OF THE MACHINE AND COUING MOVABLE TRANSVERSELY WITH RESPECT TO THE PREDETERMECHANISM RESPONSIVE TO OPERATION OF THE SENSING MEANS TO EFFECT TRANSVERSE MOVEMENT OF THE CUTTERS, AND A CUTTER WITHDRAWAL DEVICE FOR MOVING THE CUTTERS AWAY FROM ONE ANOTHER, SAID DEVICE COMPRISING CUTTER LOCATING MEANS OPERABLY CONNECTED TO THE CUTTERS TO NORMALLY HOLD THEM IN SPACED-APART RELATIONSHIP FOR CUTTING EDGES OF THE METAL STRIP, AND A SAFETY DEVICE FOR OPERATION BY THE METAL STRIP IF IT MOVES LATERALLY OF ITS PREDETERMINED PATH BEYOND A PREDETERMINED LIMIT, THE LOCATING MEANS BEING RESPONSIVE TO OPERATION OF THE SAFETY DEVICE TO MOVE THE CUTTERS AWAY FROM ONE ANOTHER TO DISENGAGE THEM FROM THE METAL STRIP.
Claim 2
Dependent Claim
169 words
AN EDGE TRIMMING MACHINE COMPRISING A PAIR OF DRIVABLE, ROTARY CUTTERS MOUNTED IN SPACED-APART RELATIONSHIP FOR CUTTING EDGES OF A METAL STRIP TO BE FED ALONG A PREDETERMINED PATH BETWEEN THE CUTTERS, THE CUTTERS BEING MOVABLE TRANSVERSELY WITH RESPECT TO THE PREDETERMINED PATH, SENSING MEANS FOR COOPERATION WITH THE EDGES OF THE STRIP ON THE INGOING SIDE OF THE MACHINE AND COUING MOVABLE TRANSVERSELY WITH RESPECT TO THE PREDETERMECHANISM RESPONSIVE TO OPERATION OF THE SENSING MEANS TO EFFECT TRANSVERSE MOVEMENT OF THE CUTTERS, AND A CUTTER WITHDRAWAL DEVICE FOR MOVING THE CUTTERS AWAY FROM ONE ANOTHER, SAID DEVICE COMPRISING CUTTER LOCATING MEANS OPERABLY CONNECTED TO THE CUTTERS TO NORMALLY HOLD THEM IN SPACED-APART RELATIONSHIP FOR CUTTING EDGES OF THE METAL STRIP, AND A SAFETY DEVICE FOR OPERATION BY THE METAL STRIP IF IT MOVES LATERALLY OF ITS PREDETERMINED PATH BEYOND A PREDETERMINED LIMIT, THE LOCATING MEANS BEING RESPONSIVE TO OPERATION OF THE SAFETY DEVICE TO MOVE THE CUTTERS AWAY FROM ONE ANOTHER TO DISENGAGE THEM FROM THE METAL STRIP.
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) | 1969-06-27 | 1969-12-27 | 1970-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-27 | 1973-12-27 | 1974-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-27 | 1977-12-27 | 1978-06-28 | $7700.00 | Window Closed / Lapsed |