CARTRIDGE CONTAINING DISK AND DEVICE FOR RECORDING OR REPRODUCING SIGNAL ON OR FROM THE DISK

摘要

A cartridge (6) has a shutter (61) movable forward and rearward for exposing or alternatively enclosing a disk (60) contained in a shell (9). The shell (9) is inserted into a device provided with a tooth (30) for opening the shutter (61) and a spring piece (37) fittable to the shutter (61) and positioned at a level different from that of the tooth (30). The shell (9) has a slit (5) formed in a side face thereof in the vicinity of the shutter (61) for permitting the tooth (30) to advance thereinto. The shell (9) has a corner in the vicinity of the slit (5) and providing a contact face (90). The slit (5) is provided at a front end portion thereof with a guide groove (50) positioned in the contact face (90) and enlarging toward the front. The contact face (90) is in the form of a circular arc or slope and so shaped that the path of movement thereof intersects the inner end of the tooth (30) at a location B which is positioned forwardly of a position A where the path of movement intersects the spring piece (37). <IMAGE>