Recording medium supply device and image forming device

Typewriting machines – Sheet or web – For feeding sheet from stack or pack holder

Reexamination Certificate

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Details

C400S629000, C271S127000, C271S147000, C271S157000, C271S162000

Reexamination Certificate

active

11052986

ABSTRACT:
A coil spring103is wound around a rotational shaft15with its one end portion103abeing inserted into an engagement groove100aformed in a side wall of a direct-coupled gear100and with its other end portion103bbeing inserted in an engagement groove93aprovided in a front wall93of a paper cassette6. The elastic force generated by the coil spring103functions as a pressing force for restraining the torque of the rotational shaft15that is generated by the driving force from a DC motor70. The amount of the elastic force increases as the height of a paper pressing plate8increases. Accordingly, a variation in the height of the topmost sheet3, which will possibly occur due to changes in the amount of recording medium3placed on a mounting plate8, can be restrained.

REFERENCES:
patent: 5102112 (1992-04-01), Takahashi
patent: 5228673 (1993-07-01), Osonoe
patent: 59069326 (1984-04-01), None
patent: U-62-181533 (1987-11-01), None
patent: A 5-208734 (1993-08-01), None
patent: 08073055 (1996-03-01), None
patent: A 8-73055 (1996-03-01), None
patent: A-09-194050 (1997-07-01), None
patent: A-2001-114424 (2001-04-01), None

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