Patent ID: 11971677
Assignee: KYOCERA DOCUMENT SOLUTIONS INC.
Field: Handling (Mechanical engineering)
Classification: CPC G  B | IPC B  G

Claim 3:
4. The sheet feeder according to claim 1,
further comprising a lifting/lowering drive device capable of moving the sheet rack in a height direction,
wherein the pair of end detecting devices are provided at respective lower portions of the pair of side plates, and
the control device controls the lifting/lowering drive device to move down the sheet rack and bring the sheet rack close to the pair of end detecting devices; controls the widthwise drive device to move the pair of side plates toward each other; stops, when the pair of side plates abut against both the ends of the sheet based on the detected outputs of the pair of end detecting devices, the pair of side plates at both the ends of the sheet; determines the respective travel distances of the pair of side plates moved by the widthwise drive device; and determines the size of the sheet based on the travel distances of the pair of side plates.