Sheet separation device

Details Sheet separation device Sheet separation device

1976-01-15

1977-06-07

Saifer, Robert W.

Sheet feeding or delivering

Feeding

Pack holders

271 20, 271104, B65H 354

Patent

active

040278727

ABSTRACT:
A sheet separation device is disclosed for use in a printing press to facilitate the removal of individual paper sheets from a stack to receive printing. The device is employed in cooperation with a supported stack of paper and a contiguous apparatus for lifting sheets from the stack, as for delivery to a printing station. The sheet separation device includes a bracket affixed to the paper supporting structure and defining an elongated spring chamber which extends parallel to the surface of paper in the stack. A torsion or coil spring is affixed to dwell in the spring chamber. A tab is affixed to the spring and incorporates a flat section which extends parallel to the sheets in the stack of paper. The spring-mounted tab permits the withdrawal of a single sheet from the stack, however, impedes the withdrawal of more than one sheet at a time.

REFERENCES:
patent: 1493167 (1924-05-01), Stevens
patent: 2100057 (1937-11-01), Krebs
patent: 3403903 (1968-10-01), Crail

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