Paper stacking apparatus for sheet-fed press

Details Paper stacking apparatus for sheet-fed press Paper stacking apparatus for sheet-fed press

1993-10-25

1994-10-11

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Pack holders

271164, 271213, B65H 114

Patent

active

053540468

ABSTRACT:
A paper stacking apparatus for a sheet-fed press includes a horizontal lower plate, a driving unit, a vertical chain, an upper plate, a front gauge, biasing members, a cam, and engaging members. The lower plate is free to move in a vertical direction. The driving unit and the vertical chain vertically move the lower plate. The upper plate is mounted on the lower plate to be movable in at least a paper feed direction and stacks paper sheets. The front gauge is vertically fixed on a machine frame and aligns the leading end of the paper sheets stacked on the upper plate in the paper feed direction. The biasing members bias two side portions of the upper plate in a direction to be pressed to the front gauge. The cam and the engaging members position the upper plate biased by the biasing members in the paper feed direction such that the distal end thereof is close to the front gauge in accordance with an upward movement of the lower plate.

REFERENCES:
patent: 808019 (1905-12-01), Cross
patent: 2184296 (1939-12-01), Goebel et al.
patent: 4697804 (1987-10-01), Pollich
patent: 4703924 (1987-11-01), Marass

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