Patent US3126780A successfully refreshed from Google Patents.
US3126780A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet metal cutting machines
Assignee: —
•
Filing: —
•
Granted: 1964-03-31
•
Expires: 1981-03-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:30
CPC Classifications
B; B23; B23D; B23D19/00; B23D19/04; Y; Y10; Y10T; Y10T83/00; Y10T83/727; Y10T83/738; Y10T83/768; Y10T83/7809; Y10T83/783; Y10T83/869; Y10T83/8742; Y10T83/8743
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
225 words
AN APPARATUS FOR CUTTING SHEET METAL AND SHEET METAL CONTAINING CORRUGATIONS COMPRISING AN EXPANSIBLE BASE MEMBER, A HEAD COMPRISING A MAIN PLATE HAVING ONE END CONNECTED AT ONE END OF SAID BASE MEMBER, PAIRS OF CHEEK PLATES SECURED TO OPPOSITE SIDES OF SAID PLATE IN UPPER AND LOWER POSITIONS THEREON AND EXTENDING TOWARDS EACH OTHER, A FIRST SHAFT AND A SECOND SHAFT ROTATABLY MOUNTED AT THE FREE ENDS OF THE CHEEK PLATES, SAID SHAFTS BEING SPACED APART AND PARALLEL TO EACH OTHER, A PAIR OF DISC CUTTERS OPERATIVELY MOUNTED ON SAID FIRST SHAFT, A SINGLE DISC CUTTER MOUNTED ON SAID SECOND SHAFT, SAID SINGLE CUTTER BEING DISPOSED BETWEEN SAID PAIR OF CUTTERS SO THAT A PORTION THEREOF EXTENDS THEREBETWEEN, A BEARING PLATE HAVING ONE END CONNECTED AT THE OTHER END OF SAID BASE MEMBER, GEAR MEANS MOUNTED ON SAID BEARING PLATE AND OPERATIVELY CONNECTED TO SAID SHAFTS, EXPANSIBLE MEMBERS CONNECTED BETWEEN SAID FIRST AND SECOND SHAFTS AND SAID GEAR MEANS TO ADJUSTABLY SUPPORT SAID PAIR OF CUTTERS AND SAID SINGLE CUTTER TO OPERATE SAID PAIR OF CUTTERS AND SAID SINGLE CUTTER IN COUNTERROTATION, DRIVE MEANS OPERATIVELY CONNECTED TO SAID GEAR MEANS TO DRIVE SAID GEAR MEANS, AND MEANS DISPOSED IN SAID MAIN PLATE TO DIVERT A STRIP OF METAL CUT BY SAID CUTTERS TO ONE SIDE AS A SHEET OF METAL IS BEING CUT THEREBY.
Claim 2
Independent Claim
225 words
AN APPARATUS FOR CUTTING SHEET METAL AND SHEET METAL CONTAINING CORRUGATIONS COMPRISING AN EXPANSIBLE BASE MEMBER, A HEAD COMPRISING A MAIN PLATE HAVING ONE END CONNECTED AT ONE END OF SAID BASE MEMBER, PAIRS OF CHEEK PLATES SECURED TO OPPOSITE SIDES OF SAID PLATE IN UPPER AND LOWER POSITIONS THEREON AND EXTENDING TOWARDS EACH OTHER, A FIRST SHAFT AND A SECOND SHAFT ROTATABLY MOUNTED AT THE FREE ENDS OF THE CHEEK PLATES, SAID SHAFTS BEING SPACED APART AND PARALLEL TO EACH OTHER, A PAIR OF DISC CUTTERS OPERATIVELY MOUNTED ON SAID FIRST SHAFT, A SINGLE DISC CUTTER MOUNTED ON SAID SECOND SHAFT, SAID SINGLE CUTTER BEING DISPOSED BETWEEN SAID PAIR OF CUTTERS SO THAT A PORTION THEREOF EXTENDS THEREBETWEEN, A BEARING PLATE HAVING ONE END CONNECTED AT THE OTHER END OF SAID BASE MEMBER, GEAR MEANS MOUNTED ON SAID BEARING PLATE AND OPERATIVELY CONNECTED TO SAID SHAFTS, EXPANSIBLE MEMBERS CONNECTED BETWEEN SAID FIRST AND SECOND SHAFTS AND SAID GEAR MEANS TO ADJUSTABLY SUPPORT SAID PAIR OF CUTTERS AND SAID SINGLE CUTTER TO OPERATE SAID PAIR OF CUTTERS AND SAID SINGLE CUTTER IN COUNTERROTATION, DRIVE MEANS OPERATIVELY CONNECTED TO SAID GEAR MEANS TO DRIVE SAID GEAR MEANS, AND MEANS DISPOSED IN SAID MAIN PLATE TO DIVERT A STRIP OF METAL CUT BY SAID CUTTERS TO ONE SIDE AS A SHEET OF METAL IS BEING CUT THEREBY.
References Cited (Backward Citations)
US31681A
Cited
US831866A
Cited
US1143187A
Cited
US1197522A
Cited
US1783869A
Cited
US1910271A
Cited
US2216629A
Cited
US2529210A
Cited
US2590700A
Cited
US2659436A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-31 | 1967-09-30 | 1968-03-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-31 | 1971-09-30 | 1972-03-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-31 | 1975-09-30 | 1976-03-31 | $7700.00 | Window Closed / Lapsed |