Apparatus for aligning sheets in a stack

Details Apparatus for aligning sheets in a stack Apparatus for aligning sheets in a stack

1983-09-12

1985-10-22

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Delivering

To receiver for pack of sheets

414 28, B65H 3138

Patent

active

045483990

ABSTRACT:
An apparatus for aligning and squaring a stack of sheets has a support plate having a generally horizontal and flat support surface adapted to support the stack of sheets, a guide projecting upward from the support surface and having an abutment face directed in a predetermined direction generally parallel thereto, and a generally horizontal rod vertically spaced from the surface and stack and extending in the direction. A pusher element carried on the rod is slidable thereon in the direction, friction alone linking the element and rod together in the direction. This pusher element is engageable with a sheet on the surface. A stop facing opposite to the direction is also engageable with the element. A drive reciprocates the rod in the direction through a predetermined stroke toward and away from the guide. Thus on displacement toward the guide the element engages and pushes a sheet opposite the direction until the sheet engages thereagainst, at which time the element slides on the rod. On opposite displacement the element engages the stop and is displaced relative to the rod in the direction to its starting position on the rod.

REFERENCES:
patent: 1421868 (1922-07-01), Volkmere
patent: 2027341 (1936-01-01), Hornbeck et al.
patent: 2275688 (1942-03-01), Schulz
patent: 3604343 (1971-09-01), Thornfelt

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