Patent ID: 9233808
Filing Date: 2016-01-12
CPC Classification: B65H

Claim Text:
1. A paper feeder comprising: a paper sheet stacking tray; a pickup roller feeding a paper sheet that is set on the paper sheet stacking tray; and an actuator that protrudes on a stacking face of the paper sheet stacking tray and senses the paper sheet when touched, pushed and moved by a front edge of the paper sheet that is set, wherein the actuator includes a first actuator adapted for paper sheets of first sizes in width direction and a second actuator adapted for paper sheets of second sizes that are smaller than any first size in width direction; the second actuator is arranged at an inner position of the first actuator in width direction; and an end on sensing side of the second actuator is located on an upstream side from an end on sensing side of the first actuator in a paper feed direction.