Patent ID: 8210524

Claim:
An image forming apparatus having a sheet cassette which is drawably mounted onto a cassette housing portion comprising: a rail member provided on the inner wall surface of the cassette housing portion; a locking portion which is provided at said rail member and which stops the sheet cassette in a pull out direction and releases the stop of the sheet cassette when the sheet cassette is lifted; an engaging portion which is formed on a wall surface of the side of the sheet cassette in a direction perpendicular to the pull out direction of the sheet cassette and engages with said rail member so that the sheet cassette is moved along said rail member; and a limitation member which is provided at said engaging portion of the sheet cassette and which abuts against said rail member and limits the inclination of the sheet cassette when the sheet cassette is moved along said rail member, wherein when the sheet cassette is moved along said rail member, said limitation member protrudes to abut against said rail member, and when the sheet cassette is taken out from the cassette housing portion or mounted onto the cassette housing portion, while the sheet cassette is lifted, said limitation member is retracted into the inside of said engaging portion.