Image forming apparatus having detachable sheet cassette

Details Image forming apparatus having detachable sheet cassette Image forming apparatus having detachable sheet cassette

1992-08-17

1994-03-15

Dayoan, D. Glenn

Sheet feeding or delivering

Feeding

Pack holders

271162, B65H 122

Patent

active

052941060

ABSTRACT:
An image forming apparatus in which probability of sheet jamming is reduced and jammed sheet can be easily removed. The apparatus is provided with a guide plate, a movable guide plate defining a sheet feed passage therebetween, and a first sheet feed roller. A detachable sheet cassette is provided for attachment to a main body portion of the apparatus. In the sheet cassette, are provided a second sheet feed roller and a leaf spring which urges the second sheet feed roller toward the first sheet feed roller when the sheet cassette is attached to the main body portion. The sheet feed passage is opened by pivotal movement of the movable guide plate when the sheet cassette is detached from the main body portion, to thereby facilitate removal of the jamming sheet from the sheet feed passage.

REFERENCES:
patent: 4878087 (1989-10-01), Sakai et al.
patent: 4966356 (1990-10-01), Ohyabu et al.
European Search Report Application No. EP 92 30 8159 and Annex. Communication No. 92308159.0.

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