Cutoff mechanism

Details Cutoff mechanism Cutoff mechanism

1974-11-29

1976-06-15

Simpson, Othell M.

Cutting

Cutting motion of tool has component in direction of moving...

With tool speed regulator

83324, 83343, B26D 156, B23D 2512

Patent

active

039629422

ABSTRACT:
The cutoff mechanism repetitively cuts a moving web into sheets by at least one cutting blade movable in the direction of travel of the web at web speed at the instant of cutting. The cutting blade is controlled by a cyclic mechanism. The cyclic mechanism has a uniform input speed or a cyclic input speed. When the cyclic mechanism is driven with a cyclic input speed, the normal range of sheet length is doubled.

REFERENCES:
patent: 2180203 (1939-11-01), Hallden
patent: 2670796 (1954-03-01), Orr
patent: 2933940 (1960-04-01), Hallden
patent: 3424041 (1969-01-01), Giraud
patent: 3608411 (1971-09-01), Schmidt
patent: 3628410 (1971-12-01), Shields
patent: 3745865 (1973-07-01), Johnson

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