Sheet feeding device and image forming apparatus

Details Sheet feeding device and image forming apparatus Sheet feeding device and image forming apparatus

2011-04-26

2011-04-26

Bollinger, David H (Department: 3653)

Sheet feeding or delivering

Feeding

Separators

C271S148000, C271S157000, C271S160000

Reexamination Certificate

active

07931266

ABSTRACT:
A sheet feeding device is provided. The sheet feeding device includes a sheet holder to hold a sheet in a position to be fed, a feed roller to pick up the sheet, a first lifter to move a closer portion of the sheet holder by one of a front end and a rear end thereof, a second lifter to move a further portion of the sheet holder by one of a front end and a rear end thereof, and a coordinating system to move the first lifter and the second lifter in cooperation with each other to move the overall sheet holder in a direction to be closer to the feed roller, wherein an amount of the sheet holder to be moved by the first lifter is greater according to a constant rate with respect to an amount of the sheet holder to be moved by the second lifter.

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JP Office Action dtd May 25, 2010, JP Appln. 2009-053089, English translation.

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