Sheet feeding device

Details Sheet feeding device Sheet feeding device

2006-08-31

2009-10-20

Mackey, Patrick H (Department: 3653)

Sheet feeding or delivering

Feeding

Pack holders

C312S222000, C312S332100

Reexamination Certificate

active

07604232

ABSTRACT:
A sheet feeding device includes a casing having an engagement portion, and a sheet stacker detachably housed in the casing. The stacker has a liftable stacking plate, a handle, a lock claw, and a transmission mechanism. The plate is provided for loading a plurality of sheets. The handle is pivotable between operational and nonoperational positions. The claw is pivotable between engaged and disengaged positions. In the engaged and disengaged positions, the claw is engaged with, and disengaged from, the engagement portion, respectively. The mechanism has a solenoid and an interlock member. The solenoid has a plunger movable between locking and unlocking positions according to an input driving signal. The member allows, only with the plunger in the unlocking position, the claw to be moved from the engaged position to the disengaged position in association with pivot movement of the handle from the nonoperational position to the operational position.

REFERENCES:
patent: 4000800 (1977-01-01), Loucks, Sr.
patent: 5157448 (1992-10-01), Lang
patent: 5918875 (1999-07-01), Masley et al.
patent: 7188835 (2007-03-01), Lee et al.
patent: S60-191928 (1985-09-01), None
patent: 08-004383 (1996-01-01), None
patent: H09-086681 (1997-03-01), None

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