Indication apparatus of paper amount within a cassette

Details Indication apparatus of paper amount within a cassette Indication apparatus of paper amount within a cassette

1996-02-28

1998-04-28

Reinhart, Mark J.

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

399 23, B41J 247

Patent

active

057451583

ABSTRACT:
An indication apparatus of paper amount within a paper cassette is provided. The paper amount varies due to consumption and has a corresponding variable weight. The cassette has a paper guiding apparatus for positioning the papers and the paper guiding apparatus has a bottom plate touching against a spring force. The cassette has a bottom which has a hook thereon. The indication apparatus comprises a cable having a first end connected to the hook and a second end. A shaft is connected to the cassette for supporting the cable and allowing the cable to slide on a path defined by the shaft. A glider with a predetermined weight is connected to the second end of the cable and has an indicator thereon. A plunger is positioned vertically and engages with the cassette for guiding the movement of the glider. The indicator indicates the amount of papers within the cassette in response to the variable weight of papers within the cassette, the spring force and the predetermined weight of the glider.

REFERENCES:
patent: 4748479 (1988-05-01), Ohira et al.

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