18802279. DEVELOPING DEVICE (CANON KABUSHIKI KAISHA)
DEVELOPING DEVICE
Organization Name
Inventor(s)
KAZUNARI Hagiwara of Kanagawa (JP)
TAKASHI Hiramatsu of Tokyo (JP)
DEVELOPING DEVICE
This abstract first appeared for US patent application 18802279 titled 'DEVELOPING DEVICE
Original Abstract Submitted
A developing device having a developing portion and an agitating member agitating developer in a developer accommodating portion, the developer accommodating portion and the developing portion are connected to each other via an opening portion, and a sealing sheet connected to the agitating member is fixed to a periphery of the opening portion for sealing, and the sealing sheet can be removed from a fixing portion by operation of the agitating member, and, whereby the developer accommodating portion and the developing portion communicate with each other, and in a direction crossing a rotation axis direction of the agitating member, a projecting portion is provided on a downstream side of the fixing portion and on an upstream side of the opening portion, and a height of the projecting portion is higher than a height in a fixing-position projecting portion.