Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Toshiaki Takeuchi0
Akinobu Hirayama0
Takahito Ueno0
Date of Patent
December 21, 2021
Patent Application Number
16918010
Date Filed
July 1, 2020
Patent Citations Received
Patent Primary Examiner
Patent abstract
A cartridge detachably mountable to a main assembly of an image forming apparatus includes a photosensitive drum; a discharging path for permitting movement of a developer removed from the drum, the discharging path including a developer discharge opening and a movable portion through which the developer is movable and which is movable between a retracted position in an upstream side with respect to a developer moving direction through the discharge opening and a advanced position in a downstream side with respect to the developer moving direction; and a sealing portion for closing the discharging path by contacting the movable portion at a position different from that of the discharge opening.
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