Patent ID: 7492547

Claim:
A cartridge device comprising: a recording and reproducing unit for recording an information signal on and/or reproducing an information signal from a recording medium stored in a case of a recording medium cartridge, said case having a positioning hole; a holder for holding said recording medium cartridge inserted therein, said holder being movable between a first position in which said recording medium cartridge can be inserted into and removed from said holder and a second position in which an information signal can be recorded on or reproduced from the recording medium by said recording and reproducing unit; a chassis having a base on which said recording and reproducing unit is mounted and a projection projecting from said base toward said holder for being inserted in said positioning hole, said holder being movably supported on said chassis for movement between said first position and said second position; and an ejection slider slidably supported on said chassis for sliding movement selectively in a first sliding direction to move said holder from said first position to said second position and a second sliding direction, which is opposite to said first sliding direction, to move said holder from said second position to said first position; wherein said projection has a recess defined therein, in which said ejection slider has a portion insertable into said recess when said election slider is moved in said first sliding direction.