US Patent No. 9,285,707

DEVELOPER ACCOMMODATING UNIT WITH A URGING MEMBER FOR URGING A FLEXIBLE MEMBER


Patent No. 9,285,707
Issue Date March 15, 2016
Title Developer Accommodating Unit With A Urging Member For Urging A Flexible Member
Inventorship Masaaki Matsushita, Yokohama (JP)
Koji Yamaguchi, Numazu (JP)
Junichi Matsumura, Numazu (JP)
Masatomi Yoshida, Kawazaki (JP)
Assignee Canon Kabushiki Kaisha, Tokyo (JP)

Claim of US Patent No. 9,285,707

1. A developer accommodating unit comprising:
a flexible container for accommodating developer, said flexible container provided with an opening for permitting discharge
of the developer;

a frame for (i) accommodating said flexible container and (ii) accommodating the developer discharged from said flexible container;
and

an urging member for urging and contracting an urged part of said flexible container,
wherein said flexible container has a plurality of parts including an opening-containing part and another part having stiffness
lower than that of said opening-containing part,

wherein said urged part is said opening-containing part, and
wherein said urging member is capable of stirring developer, inside said frame, discharged from said flexible container.