Image forming apparatus with cartridge loading device

Details Image forming apparatus with cartridge loading device Image forming apparatus with cartridge loading device

2011-03-29

2011-03-29

Gray, David M (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

C399S110000, C399S124000, C399S125000

Reexamination Certificate

active

07917058

ABSTRACT:
An image forming apparatus that includes at least one process cartridge having a photosensitive element, a development unit, a toner storage unit, a driven shaft and a driven gear mounted thereon and which is detachably attachable to the apparatus from a top front side thereof, a drive shaft, a drive gear mounted on the drive shaft to couple with and drive the driven gear to transmit a driving force to the process cartridge, an upper cover opening and closing with respect to the apparatus, a front cover opening and closing with respect to the apparatus, and at least one block component to block coupling of the drive gear and the driven gear by contacting the driven shaft while interlocked with opening and closing of the upper cover. The process cartridge is detachably attachable to the apparatus from the front top side thereof by opening and closing the upper cover.

REFERENCES:
patent: 7272341 (2007-09-01), Jung et al.
patent: 2007/0166073 (2007-07-01), Idehara et al.
patent: 7-120136 (1995-12-01), None
patent: 09-292816 (1997-11-01), None
patent: 20000181329 (2000-06-01), None
patent: 3420681 (2003-04-01), None
patent: 3484326 (2003-10-01), None
patent: 2004-117988 (2004-04-01), None
patent: 2006-113170 (2006-04-01), None
English Language Abstract of JP 10-282863 dated Oct. 23, 1998.
English Language Abstract of JP 11-084868 dated Mar. 30, 1999.
English Language Abstract of JP 02-140760 dated May 30, 1990.

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