Sheet material slotting device

Details Sheet material slotting device Sheet material slotting device

1988-05-04

1989-02-21

Schmidt, Frederick R.

Cutting

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

Orbital motion of cutting blade

83677, 493370, 493471, 493475, B26D 156, B65H 3502

Patent

active

048055026

ABSTRACT:
Disclosed is a sheet material slotting device provided with an upper slotter shaft and a lower slotter shaft, in a vertical relationship, which rotate in opposite directions to each other in synchronization with the speed of feeding the sheet material; and an upper slotting knife disposed relative to a ring attached to the upper slotter shaft and also a pair of lower slotting knives disposed relative to a ring attached to the lower slotting shaft, with a predetermined space therebetween, in the axial direction and having a constitution in which slotting of a sheet material is carried out under cooperation of the upper slotting knife with the lower slotting knives characterized in that said slotting device comprises:

REFERENCES:
patent: 1567656 (1925-12-01), Langston
patent: 2181197 (1939-11-01), Moritz
patent: 3466982 (1969-09-01), Sullivan

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