Patent ID: 8020855

Claim:
A sheet feeding apparatus comprising: a containing portion configured to contain sheets; a regulating member movable in one direction or an other direction opposite to the one direction provided on the containing portion and configured to regulate a position of a sheet contained in the containing portion; a holding mechanism holding the regulating member in a sheet regulated position corresponding to a sheet size, the holding mechanism having a holding member pivotably provided in a plane parallel to a bottom plate of the containing portion, the holding member including an engaging portion being able to engage with an engaged portion provided at the containing portion to hold the regulating member and pressing faces which face each other; and an operating portion pivotably provided at the regulating member and configured to release an engagement between the engaging portion and the engaged portion, the operating portion having a shaft being able to press the pressing faces, wherein the operating portion is press-operated in the one direction or the other direction intended to move the regulating member, thereby the shaft of the operating portion presses either one of the pressing faces and the holding member is pivoted in a same direction despite the one direction or the other direction in which the operating portion is press-operated, so that the regulating member is released from being held by the holding mechanism.