US3296909A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rotary knife clipper
Assignee: Coe Manufacturing Co
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Filing: 1965-03-03
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Granted: 1967-01-10
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Expires: 1985-03-03
Abstract
No abstract record available.
Inventors
- 👤 Edward G Hudak
- 👤 Jr Robert A Browning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:06
CPC Classifications
B; B23; B23D; B23D25/00; B23D25/12; B26; B26D; B26D1/00; B26D1/56; B26D1/62; B26D1/626; Y; Y10; Y10T; Y10T83/00; Y10T83/465; Y10T83/4708; Y10T83/4711; Y10T83/4737; Y10T83/4766; Y10T83/4775; Y10T83/4795; Y10T83/4812; Y10T83/869; Y10T83/8696; Y10T83/8697
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
229 words
AN APPARATUS FOR CUTTING A MOVING LENGTH OF MATERIAL AT SPACED INTERVALS ALONG ITS LENGTH, A FRAME ASSEMBLY INCLUDING SUPPORT MEANS FOR SUPPORTING THE MATERIAL TO BE CUT AS IT IS MOVED THROUGH THE APPARATUS, A PAIR OF KNIFE ASSEMBLIES HAVING CO-OPERATING ROTARY KNIVES, ONE OF SAID ASSEMBLIES BEING SUPPORTED ADJACENT TO ONE SIDE OF THE SUPPORT MEANS AND THE OTHER OF SAID ASSEMBLIES BEING SUPPORTED ADJACENT TO THE OTHER SIDE OF SAID SUPPORT MEANS, DRIVE MEANS OPERATIVELY CONNECTED WITH SAID ROTARY KNIVES FOR CONTINUOUSLY ROTATING THE SAME IN OPPOSITE DIRECTIONS, SAID DRIVE MEANS INCLUDING A MECHANISM WHEREBY THE ROTATIONAL SPEED OF SAID ROTARY KNIVES MAY BE AUTOMATICALLY VARIED DURING DIFFERENT PORTIONS OF EACH CYCLE OF OPERATION, ADJUSTING MEANS FOR SAID MECHANISM FOR CHANGING THE VARIATION OF THE ROTATIONAL SPEED OF SAID ROTARY KNIFE MEANS DURING THE CYCLE WHEREBY THE PERIPHERAL SPEED OF THE KNIFE MEANS DURING THE CUTTING OPERATION CAN BE MADE THE SAME AS THE SPEED OF THE MATERIAL BEING CUT, POSITIONING MEANS OPERATIVELY CONNECTED WITH SAID KNIFE ASSEMBLIES FOR SELECTIVELY MOVING THE SAME BETWEEN A CUTTING POSITION IN WHICH SAID ROTARY KNIVES CUT THE MOVING MATERIAL AND A SECOND POSITION IN WHICH SAID KNIVES MAKE NO CONTACT WITH THE MATERIAL; AND CONTROL MEANS FOR AUTOMATICALLY AND SEQUENTIALLY ACTUATING SAID POSITIONING MEANS TO MOVE SAID KNIFE ASSEMBLIES BETWEEN SAID POSITIONS IN ACCORDANCE WITH A PREDETERMINED OPERATING SEQUENCE.
Claim 2
Independent Claim
229 words
AN APPARATUS FOR CUTTING A MOVING LENGTH OF MATERIAL AT SPACED INTERVALS ALONG ITS LENGTH, A FRAME ASSEMBLY INCLUDING SUPPORT MEANS FOR SUPPORTING THE MATERIAL TO BE CUT AS IT IS MOVED THROUGH THE APPARATUS, A PAIR OF KNIFE ASSEMBLIES HAVING CO-OPERATING ROTARY KNIVES, ONE OF SAID ASSEMBLIES BEING SUPPORTED ADJACENT TO ONE SIDE OF THE SUPPORT MEANS AND THE OTHER OF SAID ASSEMBLIES BEING SUPPORTED ADJACENT TO THE OTHER SIDE OF SAID SUPPORT MEANS, DRIVE MEANS OPERATIVELY CONNECTED WITH SAID ROTARY KNIVES FOR CONTINUOUSLY ROTATING THE SAME IN OPPOSITE DIRECTIONS, SAID DRIVE MEANS INCLUDING A MECHANISM WHEREBY THE ROTATIONAL SPEED OF SAID ROTARY KNIVES MAY BE AUTOMATICALLY VARIED DURING DIFFERENT PORTIONS OF EACH CYCLE OF OPERATION, ADJUSTING MEANS FOR SAID MECHANISM FOR CHANGING THE VARIATION OF THE ROTATIONAL SPEED OF SAID ROTARY KNIFE MEANS DURING THE CYCLE WHEREBY THE PERIPHERAL SPEED OF THE KNIFE MEANS DURING THE CUTTING OPERATION CAN BE MADE THE SAME AS THE SPEED OF THE MATERIAL BEING CUT, POSITIONING MEANS OPERATIVELY CONNECTED WITH SAID KNIFE ASSEMBLIES FOR SELECTIVELY MOVING THE SAME BETWEEN A CUTTING POSITION IN WHICH SAID ROTARY KNIVES CUT THE MOVING MATERIAL AND A SECOND POSITION IN WHICH SAID KNIVES MAKE NO CONTACT WITH THE MATERIAL; AND CONTROL MEANS FOR AUTOMATICALLY AND SEQUENTIALLY ACTUATING SAID POSITIONING MEANS TO MOVE SAID KNIFE ASSEMBLIES BETWEEN SAID POSITIONS IN ACCORDANCE WITH A PREDETERMINED OPERATING SEQUENCE.
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) | 1970-01-09 | 1970-07-11 | 1971-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-09 | 1974-07-11 | 1975-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-09 | 1978-07-11 | 1979-01-10 | $7700.00 | Window Closed / Lapsed |