Patent ID: 8899576
Filing Date: 2014-12-02
Classification: B65H

Abstract:
1. A sheet feeder comprising: a recording media storage device configured to store recording media, the recording media storage device being attachable to and detachable from a main body of an image forming apparatus, the image forming apparatus comprising a feeding mechanism configured to pick up and convey one of the recording media stored in the recording media storage device at a time; a lock member configured to disable the recording media storage device to be detached; an overflow restriction member disposed in the main body and configured to change between a restriction position closer to an uppermost part of the recording media in the recording media storage device and a withdrawal position farther from the uppermost part of the recording media; and a position change mechanism disposed in the main body and configured to change the overflow restriction member into the restriction position when the lock member changes into a free state in which the recording media storage device is attachable and detachable.