Printing medium feeding cassette aligning unit releasing member and image forming apparatus including the same

摘要

Disclosed are a printing media holder and an image forming apparatus including the same. The printing media holder includes an printing media alignment unit capable of moving bidirectionally toward and away from the printing media loaded on the printing media holder, and includes a release mechanism that releases the printing media alignment unit, to allow the printing media alignment unit to move its position for aligning of print media of different sizes, in response to a force received thereto in any of the bidirectional directions.

主权项

1. An image forming apparatus, comprising:
a body; and a printing medium feeding cassette detachably received in the body, the printing medium feeding cassette comprising:
a cassette body having arranged therein a first engaging portion formed on a surface of the cassette body along an adjustment direction, the adjustment direction being one of a width direction and a length direction;a knock-up plate supported in the cassette body; andan aligning unit supported on the cassette body and configured to align printing media to be loaded on the knock-up plate, the aligning unit including a unit body movable along the adjustment direction, a second engaging portion configured to selectively engage with the first engaging portion and a releaser coupled to the unit body, the releaser being configured to receive an external force in each of a pulling direction and a pushing direction and to cause the second engaging portion to be released from the first engaging portion in response to the external force received,whereinthe releaser comprises a horizontal hinge shaft, an upper portion provided above the horizontal hinge shaft, and a lower portion provided below the horizontal hinge shaft and in contact with the second engaging portion, andwhen the external force is received on the upper portion of the releaser, the lower portion of the releaser pivots about the horizontal hinge shaft thereby causing the second engaging portion to move away from the first engaging portion vertically to a released position, at which position the second engaging portion is released from the first engaging portion, and the horizontal hinge shaft remains vertically stationary relative to the cassette body when the lower portion of the releaser pivots about the horizontal hinge shaft.