Patent ID: 7410161

Claim:
A sheet feeding apparatus comprising: a sheet stacking portion adapted to stack sheets thereon; a sheet feeding rotating member adapted to feed the sheet stacked on said sheet stacking portion; a stopper adapted to regulate the sheets stacked on said sheet stacking portion; a rotatable gear adapted to hold said stopper at a regulating position of regulating the sheets stacked on said sheet stacking portion, by engaging with said stopper, and a driving unit configured to rotate said gear; wherein the engagement of said gear and said stopper is released when said gear is rotated by the driving unit, said stopper has a stopper member which is rotatably supported, and a latch member rotatably supported on said stopper member, said latch member has a latch pawl which is latched between teeth of said gear, and said latch member rotates with respect to said stopper member while the latching of the latch pawl by said gear is being released, according to the rotation of said gear.