Cartridge loading and unloading device use in cartridge type tape recorders

In a cartridge type tape recorder in which a cartridge is located in an operational position by having a holder engage a V-shaped notch in the cartridge, and improved cartridge loading and unloading device comprising:

• a rotary member rotatably attached to a chassis and provided with a holder means and a responder means, said holder means and said responder means integrally rotatable with said rotary member and said holder means positioned for selectively engaging and disengaging a V-shaped notch in a cartridge in association with the rotational motion of said rotary member, said responder means positioned for engaging a portion of the cartridge upon the insertion thereof and rotating said rotary member;
• a floating pin disposed movable relative to the chassis;
• and
• spring means for urging said pin against said rotary member;
• said rotary member having at least one recess formed therein for selectively engaging said pin in response to the operation of loading and unloading the cartridge, wherein said pin and said recess restrain the rotational motion of said rotary body and provide a predetermined rotary position for said rotary body, said responder means and said holder means.