Patent ID: 7887048
Filing Date: 2011-02-15
Classification: B65H

Abstract:
1. A paper feeding apparatus comprising: a cassette main body that stacks a paper therein; a sidewall that moves in a width direction of the cassette main body; an end wall that moves in a longitudinal direction of the cassette main body; a first detection unit that detects the size of the paper in the width direction; a second detection unit that detects the size of the paper in the longitudinal direction; a detection unit holding member that is arranged the first detection unit and the second detection unit; a first movable member that rotates around a shaft axially fixed to the cassette main body in connection with the sidewall, has a first engagement portion which engages with and holds the detection unit holding member by rotation of the first movable member when the sidewall is moved to a predetermined position, is connected to the sidewall and is opposed to the first detection unit; and a second movable member that rotates around a shaft axially fixed to the cassette main body in connection with the end wall, has a second engagement portion which engages with and holds the detection unit holding member by rotation of the second movable member when the end wall is moved to a predetermined position, is connected to the end wall and is opposed to the second detection unit; wherein the detection unit holding member has a first claw member and a second claw member; wherein the first engagement portion engages with the first claw member and the second engagement portion engages with the second claw member.