Patent ID: 7600746

Claim:
A cassette that is used by being mounted on an image forming apparatus body and can be accommodated in a state where media, which will be supplied to the image forming apparatus body, are loaded, the cassette comprising: a first tray that is able to contain multiple media; a second tray that is able to contain multiple media; a slide mechanism that allows the first tray and the second tray to be movable relative to each other; a power transmission mechanism including a rack and a pinion, where the rack is provided for one of the first tray and the second tray, and the pinion comprising a gear provided for the other of the first tray and the second tray, and an urging device that urges the pinion in the cassette insertion direction when the cassette is inserted, wherein the pinion is engaged with the rack, such that when the pinion receives the input power, the first try and the second tray are moved relative to each other.