Device for unstacking flat objects

Details Device for unstacking flat objects Device for unstacking flat objects

1987-07-08

1988-07-19

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

271146, 271149, 271155, B65H 308

Patent

active

047579854

ABSTRACT:
An unstacking device for objects such as mail envelopes is of the type comprising a magazine for storing and feeding stacked objects and a discharge head for separately removing jogged objects from a stack. The device is provided within the terminal portion of the magazine with a transition edge guide which serves to restore inclined objects to a practically upright position for subsequent discharge and is inclined with respect to the direction of feed motion of stacked objects and with a jogging reference edge guide which is relatively displaced towards the exterior of the magazine. There are associated with the edge guides a feed screw for advancing objects and a delay screw for retarding objects, the screws being interposed between jogging rollers opposite to the edge guides.

REFERENCES:
patent: 2191586 (1940-02-01), Richard
patent: 3035834 (1962-05-01), Bottrell
patent: 3966193 (1976-06-01), Storace
patent: 3995851 (1976-12-01), Casper
patent: 4183517 (1980-01-01), Hageman et al.
patent: 4295645 (1981-10-01), Nahar et al.
patent: 4299379 (1981-11-01), Preston
patent: 4621798 (1986-11-01), Akers

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