Cartridge and unit with injection molded seal member

Patent metadata

Field	Value
Publication number	US-9529306-B2
Application number	US-201414548554-A
Country	US
Kind code	B2
Filing date	Nov 20, 2014
Priority date	Nov 9, 2011
Publication date	Dec 27, 2016
Grant date	Dec 27, 2016

Abstract

A cartridge detachably mountable to a main assembly of an image forming apparatus, includes: a rotatable member; a blade member contacted to the rotatable member; a frame, formed of a resin material, for supporting the blade member; and a seal member provided on the frame to be contacted to a portion of the blade member, opposite from a portion where the blade member is contacted to the rotatable member, in each of one end side and anther end side of the blade member with respect to an axial direction of the rotatable member, wherein the seal member is formed on the frame by injection molding for sealing a gap between the blade member and the frame.

First claim

What is claimed is:

1. A cartridge detachably mountable to a main assembly of an image forming apparatus, the cartridge comprising:
a rotatable member;
a blade member including a blade contacted to said rotatable member;
a support portion supported to said blade member;
a frame for supporting said blade member; and
a seal member provided on said frame at a longitudinal end portion of said blade member,
wherein said seal member is deformed by said blade member as said bla…

Assignees

• Canon Kk

Inventors

• Hoshi Nobuharu
• Nonaka Fumito

Classifications

• G03G21/0029

  Physics · mapped topic

• G03G21/0011

  Physics · mapped topic

• G03G15/0812 Primary

  Physics · mapped topic

• G03G15/0898 Primary

  Physics · mapped topic

• G03G21/1814

  Physics · mapped topic