Patent ID: 11958712
Assignee: TOSHIBA TEC KABUSHIKI KAISHA
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 0:
1. A paper feeding device, comprising:
a paper feeding roller and a separation roller arranged in a parallel direction and configured to interpose a sheet, the paper feeding roller configured to convey the sheet in a conveyance direction orthogonal to the parallel direction, the separation roller configured to be pressed against the paper feeding roller;
a shaft configured to rotatably support the separation roller via a torque limiter;
a holder comprising a supporting portion provided with a first guide surface and a second guide surface facing each other and extending in the parallel direction; and
a rotation stopping portion attachable to the shaft, insertable between the first guide surface and the second guide surface, and comprising a first sliding surface that faces the first guide surface on the paper feeding roller side of the parallel direction and a downstream side of the conveyance direction and a second sliding surface that faces the second guide surface on an opposite side of the paper feeding roller of the parallel direction and an upstream side of the conveyance direction with respect to a rotation axis of the separation roller,
wherein the first sliding surface includes a portion formed above a rotation axis of the separation roller in a parallel direction, the second sliding surface formed only below the rotation axis of the separation roller in the parallel direction,
wherein a distance between the rotation axis of separation roller and the first sliding surface in the parallel direction is smaller than a radius of the separation roller, and
wherein the distance between the rotation axis of separation roller and the first sliding surface in the parallel direction is larger than a half of the radius of the separation roller.