US3196724A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shear type cutter
Assignee: Avisun Corp
•
Filing: 1962-10-01
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Granted: 1965-07-27
•
Expires: 1982-10-01
Abstract
No abstract record available.
Inventors
- 👤 Carl A Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:18
CPC Classifications
B; B26; B26D; B26D7/00; B26D7/26; B26D7/2614; B26D1/00; B26D1/01; B26D1/12; B26D1/25; B26D1/34; B26D1/38; B26D1/385; B26D7/2628; D; D06; D06H; D06H7/00; D06H7/02; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4766; Y10T83/4795; Y10T83/4847; Y10T83/869; Y10T83/8776; Y10T83/8778; Y10T83/8789; Y10T83/8796; Y10T83/929; Y10T83/9372; Y10T83/9396; Y10T83/9399; Y10T83/9457; Y10T83/9488
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
185 words
APPARATUS FOR CUTTING A SHEET MATERIAL WITH A SHEARING ACTION INCLUDING A ROTOR, A BLADE CARRIED BY AND PROJECTING FROM THE PERIPHERY OF SAID ROTOR, SAID BLADE BEING DISPOSED ALONG A PLANE WHICH IS INCLINED RELATIVE TO THE AXIS OF SAID ROTOR AND HAVING A CUTTING EDGE LYING ON A SURFACE OF REVOLUTION ABOUT THE ROTOR AXIS, A FIXED STRUCTURE HAVING A SURFACE SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID ROTOR, A BED-KNIFE, SAID BED-KNIFE HAVING A CUTTING EDGE, MEANS SUPPORTING SAID BED-KNIFE FOR MOVEMENT TOWARD AND AWAY FROM SAID ROTOR AND ALONG SAID SURFACE OF THE FIXED STRUCTURE, SAID BED-KNIFE CUTTING EDGE COOPERATING WITH THE CUTTING EDGE ON SAID BLADE FOR SHEARING A SHEET MATERIAL PROGRESSIVELY ACROSS ITS WIDTH AS SAID ROTOR IS TURNED AND SPRINGS LOCATED AT SPACED INTERVALS ALONG THE LENGTH OF THE BED-KNIFE FOR URGING THE SAME IN A DIRECTION TRANSVERSELY TO ITS LONGITUDINAL AXIS AND SNUGLY AGAINST SAID SURFACE OF SAID FIXED STRUCTURE WHEREBY SAID BED-KNIFE IS MAINTAINED SUBSTANTIALLY PARALLEL TO THE ROTOR AXIS YET IS PERMITTED TO MOVE ALONG SAID SUPPORTING STRUCTURE DURING THE SHEARING OF A SHEET MATERIAL.
Claim 2
Dependent Claim
185 words
APPARATUS FOR CUTTING A SHEET MATERIAL WITH A SHEARING ACTION INCLUDING A ROTOR, A BLADE CARRIED BY AND PROJECTING FROM THE PERIPHERY OF SAID ROTOR, SAID BLADE BEING DISPOSED ALONG A PLANE WHICH IS INCLINED RELATIVE TO THE AXIS OF SAID ROTOR AND HAVING A CUTTING EDGE LYING ON A SURFACE OF REVOLUTION ABOUT THE ROTOR AXIS, A FIXED STRUCTURE HAVING A SURFACE SUBSTANTIALLY PARALLEL TO THE AXIS OF SAID ROTOR, A BED-KNIFE, SAID BED-KNIFE HAVING A CUTTING EDGE, MEANS SUPPORTING SAID BED-KNIFE FOR MOVEMENT TOWARD AND AWAY FROM SAID ROTOR AND ALONG SAID SURFACE OF THE FIXED STRUCTURE, SAID BED-KNIFE CUTTING EDGE COOPERATING WITH THE CUTTING EDGE ON SAID BLADE FOR SHEARING A SHEET MATERIAL PROGRESSIVELY ACROSS ITS WIDTH AS SAID ROTOR IS TURNED AND SPRINGS LOCATED AT SPACED INTERVALS ALONG THE LENGTH OF THE BED-KNIFE FOR URGING THE SAME IN A DIRECTION TRANSVERSELY TO ITS LONGITUDINAL AXIS AND SNUGLY AGAINST SAID SURFACE OF SAID FIXED STRUCTURE WHEREBY SAID BED-KNIFE IS MAINTAINED SUBSTANTIALLY PARALLEL TO THE ROTOR AXIS YET IS PERMITTED TO MOVE ALONG SAID SUPPORTING STRUCTURE DURING THE SHEARING OF A SHEET MATERIAL.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |