Knife assembly for photographic strip cutter

Details Knife assembly for photographic strip cutter Knife assembly for photographic strip cutter

1977-09-29

1978-09-12

Abercrombie, Willie G.

Cutting

Means to drive or to guide tool

Constantly urged tool or tool support

83635, 83694, 83223, B26D 508

Patent

active

041128010

ABSTRACT:
A knife assembly capable of cutting photographic strip material with high accuracy at extremely high speeds includes a base, a stationary blade, a source of rotary power, a crank shaft, a spring-wrap clutch mechanism, first and second linear drive shafts, first and second adjustable linear bearings, and a movable blade. The spring-wrap clutch is mounted on the crank shaft for selectively imparting rotary power to the crank shaft, and the first and second linear drive shafts are connected to the drive shaft. The movable blade is connected between the ends of the first and second linear drive shafts.

REFERENCES:
patent: 3320842 (1967-05-01), Bailey et al.
patent: 3466959 (1969-09-01), Wharton
patent: 3695133 (1972-10-01), Finke
patent: 4014232 (1977-03-01), Mauger

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