Patent ID: 9535389
Date: 2017-01-03
CPC Classifications: B41F,B65H,G03G

Claim:
1. A roller member, comprising: an endless belt elastically deformable, the endless belt configured to convey a sheet; and a holding unit holding the endless belt, the holding unit including: wherein the second holding portion includes a first surface abutting with the rotatable shaft in a state in which the engage portion is engaged with the engaged portion, and a second surface abutting with the rotatable shaft at a position different from the first surface in a rotation direction of the rotatable shaft in a state in which the engage portion is engaged with the engaged portion, wherein the second surface abuts with the rotatable shaft in a state in which the first surface is separated from the rotatable shaft by an operation of disengaging the engage portion from the engaged portion, and wherein the second holding portion is moved with respect to the first holding portion, in response to a disengagement of the engage portion from the engaged portion, by resilient force of the endless belt in a state in which the second holding portion is in contact with the outer surface of the endless belt.