Oblon, McClelland, Maier & Neustadt, L.L.P.
Developing device and image forming apparatus incorporating same
A developing device includes a developer bearer to carry developer, disposed facing an image bearer, a developer conveyance member disposed facing the developer bearer, to agitate and supply developer to the developer bearer, a decompression portion surrounded by upper walls of the developing device and including multiple vents arranged in a longitudinal direction of the developing device and a filter. A number of the multiple vents is greater in either end portion than in a center portion in the longitudinal direction of the developing device.
Ricoh Company, Ltd.
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G03G G03G G03G G03G
additional additional inventional additional
Yoshihiro Hideo Yuki Noriyuki Sohichi
Fujiwara Yoshizawa Oshikawa Kimura Abe