Sheet supply cassette and image forming apparatus

Details Sheet supply cassette and image forming apparatus Sheet supply cassette and image forming apparatus

2005-03-22

2005-03-22

Walsh, Donald P. (Department: 3653)

Sheet feeding or delivering

Feeding

Pack holders

C271S171000

Reexamination Certificate

active

06869071

ABSTRACT:
A sheet supply cassette includes a main frame body and an auxiliary frame body slidable with respect to the main frame body. In the main frame body, there is disposed a sheet placement plate which moves up and down according to the residual quantity of sheets placed, and there is disposed a sheet residual quantity display mechanism which displays the sheet residual quantity according to the upward and downward movements of the sheet placement plate. The display mechanism includes a sheet residual quantity detect portion for detecting the residual quantity of sheets, a sheet residual quantity display portion disposed on the front surface cover portion of the auxiliary frame body, and a connecting portion for connecting together the sheet residual quantity detect portion and sheet residual quantity display portion, while the connecting portion can be expanded and contracted according to the expansion and contraction of the sheet supply cassette.

REFERENCES:
patent: 5172903 (1992-12-01), Haneda et al.
patent: 5537195 (1996-07-01), Sagara et al.
patent: 5700003 (1997-12-01), Sung
patent: 6206362 (2001-03-01), Tan et al.
patent: 0.529.803 (1993-03-01), None
patent: 5-51136 (1993-03-01), None
patent: 6-271141 (1994-09-01), None
patent: 10-194479 (1998-07-01), None
patent: 11-292311 (1999-10-01), None

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