Patent ID: 8109504

Claim:
A paper feeding cassette, comprising: a cassette frame for loading and storing paper; a cursor which is disposed in the cassette frame and movably carries out the positioning of paper; a through-hole formed through the cursor; a plurality of engagement holes formed in the cassette frame corresponding to a paper size; and a lock pin for engaging with the engagement holes via the through-hole to fix the cursor not to deviate in the moving direction, wherein the through-hole is provided with a conic hole, the lock pin is provided with an engagement portion and a conic portion formed on the engagement portion, the conic portion of the lock pin is provided with two cutout portions that are formed to be linear and parallel with each other, two gaps opposite to each other are formed between the conic hole and the cutout portions when the engagement portion engages with the engagement hole and the conic portion fits into the conic hole, and the cassette is capable of being pulled out from a machine main body.