Patent ID: 9701493
Date: 2017-07-11
CPC Classifications: B65H

Claim:
1. A paper feed tray comprising: a tray main body which holds a sheet such that the sheet can be fed in a predetermined paper feed direction; and a regulation plate which can be moved in a side direction perpendicular to the paper feed direction and which regulates a position of the held sheet in the side direction, wherein in the tray main body, a first engagement tooth row and a second engagement tooth row whose engagement teeth are aligned in the side direction are provided so as to be opposite each other, in the regulation plate, an engagement member is provided which can be moved in a direction of height of the engagement tooth rows and which engages with the engagement tooth rows to reduce the movement of the regulation plate in the side direction, the engagement member being engagable with both of the first engagement tooth row and the second engagement tooth row, the first engagement tooth row is higher than the second engagement tooth row, and the engagement member can be moved into positions different from each other in the direction of height of the engagement tooth rows, the positions comprising: a locking position in which the engagement member simultaneously engages with both the first engagement tooth row and the second engagement tooth row; a cancellation position in which the engagement member engages neither with the first engagement tooth row nor the second engagement tooth row; and a semi-locking position in which the engagement member engages with the first engagement tooth row but does not engage with the second engagement tooth row.