Electrostatic copying apparatus

Details Electrostatic copying apparatus Electrostatic copying apparatus

1980-07-23

1982-12-07

Kunin, Stephen G.

Cutting

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

With means to initiate intermittent tool action

83283, 83335, 83342, 83349, 83524, 83526, 83548, 83572, 355 13, 355 29, B23D 2516, B26D 162

Patent

active

043620760

ABSTRACT:
A cutting apparatus for an electrostatic copying machine includes a fixed blade having a straight cutting edge, a rotary shaft mounted for rotation on the frame of the machine, and a rotary fixed to an carried by the rotary shaft, the rotary blade having a spirally curved cutting edge. A wrap spring clutch is capable of transmitting rotation of a continually rotating gear to the rotary shaft and rotary blade. The wrap spring clutch is prevented from operation by a control cog of a double cog member. An inclinable member operates the double cog member to release the wrap spring clutch to enable rotation of the rotary shaft and rotary blade. The double cog member has a rotation lock cog which stops the wrap spring clutch after a predetermined rotation of the rotary shaft and rotary blade.

REFERENCES:
patent: 2191212 (1940-02-01), Landrolk et al.
patent: 3272043 (1966-09-01), Ryan
patent: 3289532 (1966-12-01), Baumgarten et al.
patent: 3613491 (1971-10-01), Kahmann
patent: 4143570 (1979-03-01), Fujimoto et al.

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