Other

Takao Enomoto

Toshiyuki Toyofuku

Hiroshi Nakashima

Hiroyoshi Takagi

Noriaki Kitani

Kenji Ohta

Hikaru Mizutani

Yasushi Kojima

A cartridge includes upper and lower half segments butting against each other and containing a disk, a shutter provided on one side of the cartridge half segments for exposing or alternatively enclosing the disk, and a torsion spring attached to the shutter for biasing the shutter in a closing direction. An insertion opening is formed in a side portion of the cartridge for permitting insertion of the torsion spring therethrough from outside, and a protective wall is provided upright between the insertion opening and the disk to define a space by the wall and the upper half segment. The space is so sized as to permit the torsion spring to pass therethrough while leaving a small clearance, with legs thereof directed laterally.

Cartridge in which disk is stored

Disc cartridge

Growing community of inventors

Takatsuki, Japan

Takao Enomoto