Patent ID: 7953351
Filing Date: 2011-05-31
Classification: G03G,Y10S

Abstract:
1. A developer supply container detachably mountable to an image forming apparatus, said container being set by a setting operation including a manually inserting operation into an insertion portion of the image forming apparatus, said container comprising: a container body having an inner space configured and positioned to contain developer, an opening configured and positioned to permit discharge of the developer out of said container body, and a first locked portion; a shutter configured and positioned to open and close said opening, said shutter having a locking portion configured and positioned to lock with said first locked portion, said locking portion being releasable from said first locked portion with elastic deformation of said locking portion by abutting with the insertion portion at an end of the inserting operation; and an insertion load causing portion configured and positioned to cause an insertion load, which is not smaller than a releasing load for a releasing operation of said locking portion from said locked portion, by sliding contact with the insertion portion during the inserting operation, wherein said insertion load causing portion is provided on said container body so as to reduce the insertion load with the releasing operation.