Paper feeding device of an image forming apparatus

Details Paper feeding device of an image forming apparatus Paper feeding device of an image forming apparatus

1993-09-29

1995-07-18

Bollinger, David H.

Sheet feeding or delivering

Feeding

Separators

271160, 271170, 271162, B65H 108

Patent

active

054334284

ABSTRACT:
A paper feeding device of an image forming apparatus having a paper feeding roller for feeding, one by one, paper pieces stacked in a paper feeding tray. Disposed at the main body of the image forming apparatus are (i) a placing member on which the stacked paper pieces are placed such that the tips thereof are ready for feeding, (ii) a biasing member for upwardly biasing the placing member, (iii) a pair of pawl members for separating, one by one, the stacked paper pieces, and (iv) a pushing-down member for pushing down the placing member as necessary. Against the biasing member, the pushing-down member pushes down the placing member, thus forming a space for setting the paper pieces between the placing member and the pawl members. The stacked paper pieces are inserted into the space through a paper feeding opening. When the pushing-down operation of the pushing-down member is released, the biasing member causes the placing member to be pushed up. This upwardly biases the stacked paper pieces, causing the paper pieces to be ready for feeding. This accomplishes a paper setting.

REFERENCES:
patent: 3588106 (1971-06-01), Csaba
patent: 4343461 (1982-08-01), Tomimori et al.
patent: 4623137 (1986-11-01), Irie et al.
patent: 4772007 (1988-09-01), Kashimura
patent: 4896871 (1990-01-01), Idenawa
patent: 5083880 (1992-01-01), Inomata et al.
patent: 5205550 (1993-04-01), Perino

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