Image forming apparatus having paper feeding mechanism for feedi

Details Image forming apparatus having paper feeding mechanism for feedi Image forming apparatus having paper feeding mechanism for feedi

1994-02-24

1996-01-23

Grimley, A. T.

Photocopying

Contact printing

Light boxes

271246, 27125801, 271 901, 355316, G03G 1500

Patent

active

054869102

ABSTRACT:
In an electronic copying machine, a paper feeding mechanism includes a paper supply roller, a reversal roller, and an aligning roller. The aligning roller and the reversal roller are rotated by a motor through first and second transmission mechanisms, respectively. The supply roller is rotated by the rotational force of the aligning roller through a third transmission mechanism. A first locking member is shifted by a first solenoid between a locking position, in which the first locking member engages the first transmission mechanism to interrupt the transmission of the driving force, and a transmission position, in which the first locking member is disengaged from the first transmission mechanism. A second locking member is shifted by a second solenoid between a first locking position, in which the second locking member interrupts the transmission of the driving force by the second transmission mechanism, and a second locking position, in which the second locking member interrupts the transmission of the driving force by the third transmission mechanism.

REFERENCES:
patent: 4790524 (1988-12-01), Murakami et al.
patent: 4861017 (1989-08-01), Yamamoto et al.
patent: 4898375 (1990-02-01), Holtje
patent: 5199694 (1993-04-01), Iseda
patent: 5240242 (1993-08-01), Ando et al.
patent: 5324015 (1994-06-01), Freitag

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