Sheet separating mechanism and apparatus for use therein

Details Sheet separating mechanism and apparatus for use therein Sheet separating mechanism and apparatus for use therein

1990-03-19

1991-11-05

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separators

271121, 271123, B65H 352

Patent

active

050625993

ABSTRACT:
A scuff sheet separating mechanism includes a device for gripping the rear portion of a stack of sheets, not including the one being fed, and pulling the portion gripped away from a sheet separating nip until the sheet is fed. The device includes a pair of fingers which are periodically closed and then laterally reciprocated to grip the stack and pull it away from the nip and move it back into position to separate another sheet. This mechanism is particularly useful in the intermediate tray of a copier or similar apparatus to prevent toner on one side of the sheet being fed from scraping off onto an adjoining sheet because of the force between a scuff device and a feed mechanism.

REFERENCES:
patent: 408209 (1889-08-01), Burnet
patent: 4327904 (1982-05-01), Holmes
patent: 4477176 (1984-10-01), Russel
patent: 4844435 (1989-07-01), Giannetti et al.
patent: 4934685 (1990-06-01), Shifley

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