Patent ID: 7967287

Claim:
A sheet feeding apparatus comprising: a sheet stacking portion, provided to be lifted and lowered, on which a sheet is stacked; a pair of first regulating portions that is provided while being movable in a width direction of the sheet in order to regulate a position in the width direction of the sheet stacked on the sheet stacking portion; a sheet stacking unit that is attached to the sheet stacking portion; a pair of second regulating portions that regulates the position in the width direction of the sheet stacked on the sheet stacking unit; and a biasing member that biases at least one of the pair of second regulating portions, wherein the pair of second regulating portions are regulated by the pair of first regulating portions, respectively, and wherein at least one of the pair of second regulating portions is movable in the width direction, and at least one of the pair of second regulating portions can be swung in a direction in which the sheet stacking portion is lifted and lowered, at least one of the pair of second regulating portions is lifted along with the sheet stacking unit when the sheet stacking portion is lifted, and at least one of the pair of second regulating portions is swung downward against a biasing force of the biasing member while being brought in abutting contact with a member located above when at least one of the pair of second regulating portions is brought in abutting contact with the member located above.