Mechanism for stacking sequentially received sheets

Details Mechanism for stacking sequentially received sheets Mechanism for stacking sequentially received sheets

1980-03-20

1982-06-01

Paperner, Leslie J.

Sheet feeding or delivering

Delivering

To receiver for pack of sheets

414 98, 414900, B65H 3110, B65H 3120

Patent

active

043323766

ABSTRACT:
Serially flowing, conveyor-transported, horizontal sheets are sequentially dropped from a vertically fixed location atop one another onto a chain-supported stacking table incrementally lowered, by a distance equal to the thickness of a sheet, in synchronism with the rate of sheet delivery to the table. An adjustment mechanism is provided to exactly match the incremental distance of table lowering to the thickness of the sheets being stacked. A reciprocating link actuating a ratchet-type drive incrementally lowers the table, while a manual crank mechanism permits rapid raising of the table subsequent to the off-loading of a stack of sheets. The disclosed mechanism finds particular application as a pile stacker at the delivery end of an offset printing press.

REFERENCES:
patent: 1145921 (1915-07-01), Rich
patent: 1358152 (1920-11-01), Hildebrand
patent: 1605983 (1926-11-01), Podel
patent: 1689729 (1928-10-01), Kelly
patent: 2393254 (1946-01-01), Leifer
patent: 2894745 (1959-07-01), Holmes et al.

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