Image forming apparatus with gear arrangement for resist...

Details Image forming apparatus with gear arrangement for resist... Image forming apparatus with gear arrangement for resist...

2006-05-15

2009-10-13

Culler, Jill E (Department: 2854)

Typewriting machines

Sheet or web

Including skew correction responsive to position of sheet or...

C475S330000, C475S331000

Reexamination Certificate

active

07600935

ABSTRACT:
An image forming apparatus has a planetary gear mechanism that transmits driving force from a driving motor to a resist roller when a cover is closed, and that stops transmitting the driving force to the resist roller when the cover is opened. The planetary gear mechanism includes a first gear to which the driving force from the driving motor is transmitted; a second gear that transmits the driving force to the resist roller; a planetary gear provided between the first and second gears; and a third gear that transmits the driving force from the first gear to the second gear via the planetary gear when the ratchet gear is locked by a lever, and that disconnects the transmission of the driving force to the resist roller when the ratchet gear is not locked.

REFERENCES:
patent: 5017033 (1991-05-01), Hermann et al.
patent: 5160128 (1992-11-01), Oishi
patent: 5378201 (1995-01-01), Lee et al.
patent: 5393152 (1995-02-01), Hattori et al.
patent: 5897111 (1999-04-01), Jean et al.
patent: 7381145 (2008-06-01), Watanabe et al.
patent: 9-216747 (1997-08-01), None
English Language Abstract of JP 9-216747.

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