Stack pusher

Details Stack pusher Stack pusher

1986-11-05

1988-01-19

Paperner, Leslie J.

Material or article handling

With weighing

19846811, 198718, 414 31, 414900, B65H 3130

Patent

active

047202297

ABSTRACT:
A pusher assembly for use with a signature stacker pushes a stack of signatures from the stacker. The pusher assembly includes a pusher bar, a linkage for moving the pusher bar, and a controller for adjusting the length of travel of the pusher bar. The pusher bar is supported for reciprocating movement along a length of travel for engaging the stack of signatures. The linkage is connected to an extendible fluid cylinder which moves the linkage upon actuation to push the stack of signatures from the stacker. The controller actuates the fluid cylinder and is adjustable as a function of signature width for pushing various width stacks from the stacker.

REFERENCES:
patent: 2699862 (1955-01-01), Walter
patent: 3114308 (1963-12-01), Saxton et al.
patent: 3595370 (1971-07-01), Fujishiro
patent: 3853213 (1974-12-01), Lehman et al.
patent: 3881298 (1975-05-01), Griner
patent: 4547112 (1985-10-01), Steinhart

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