Patent ID: 8511672
Filing Date: 2013-08-20
Classification: B65H

Abstract:
1. A sheet feeding apparatus comprising a feeding roller that presses a sheet corresponding to an uppermost surface of sheets stacked on a sheet stacking portion and discharges the sheet, wherein the feeding roller includes a roller main body including a roller core having a segment of a circle as a cross-sectional surface orthogonal to an axial direction, and an elastic member wound around a roller surface of the roller core, and a roller holder, disposed on a feeding shaft, that supports the roller main body from both sides in the axial direction so that the elastic member of the roller main body protrudes to an outer circumstance, wherein the roller main body includes a shaft portion protruding from each of both side surfaces of an end portion of the roller core, and a locking portion formed on each of the both side surfaces of the roller core, the roller holder includes a supporting portion that detachably, attachably and rotatably supports the shaft portion, and a locked portion that fixes the roller main body to the roller holder by locking the locking portion of the roller main body that rotates using the shaft portion mounted on the supporting portion as a rotation fulcrum, the supporting portion includes a rotation sliding contact portion that rotatably slides the shaft portion, and a guiding path portion that guides the shaft portion to the rotation sliding contact portion, and the shaft portion includes a chamfered portion that is chamfered so that a length in a radial direction is smaller than a width of the guiding path portion, and the shaft portion is mountable on the rotation sliding contact portion through the guiding path portion by the chamfered portion.