Patent ID: 9104161
Filing Date: 2015-08-11
Classification: G03G

Abstract:
1. A recording medium storage apparatus comprising: a storage cassette for storing a recording medium, the storage cassette being insertable into and drawable out of an apparatus body; and a lock mechanism for restricting movement of the storage cassette in an drawing direction while the storage cassette is inserted in the apparatus body; wherein the lock mechanism includes an engaging portion provided on the apparatus body, the engaging portion being pivoted in one end portion thereof on a first rotation axis extending in a direction crossing an drawing/insertion direction of the storage cassette, the engaging portion having in another end portion thereof a swingable abutting portion, an engaged portion provided on the storage cassette, the engaged portion being supported on a second rotation axis extending parallel to the first rotation axis so as to be rotatable between a protruding position and a guiding position, the engaged portion being engaged with the engaging portion when the storage cassette is in an inserted position, and a first biasing member for biasing the engaging portion in a first direction in which the engaging portion engages with the engaged portion, the engaged portion, in the protruding position, has a peak portion located opposite the engaging portion and a first slope located on a downstream side of the peak portion with respect to the drawing direction and inclined downward in the drawing direction, and while the storage cassette is drawn out of the apparatus body, the abutting portion of the engaging portion moves along the first slope toward the peak portion while swinging in a second direction in which the abutting portion retracts from the engaged portion, and meanwhile the engaged portion, by being pressed by the abutting portion, rotates in a third direction in which the peak portion moves in an insertion direction of the storage cassette such that the peak position is displaced from the protruding position to the guiding position.