Mitsumi Electric Company Ltd.

Tamotsu Shibata

Shigenori Inamoto

Tsuneo Uwabo

Toshinori Kurosaka

A floppy disk cartridge includes an upper shell and a lower shell , a magnetic disk rotatably incorporated between the upper shell and the lower shell , head windows provided at respective one sides of the upper shell and the lower shell so as to face with each other, and liners respectively attached to inner faces of the upper shell and the lower shell except the head windows for protecting the magnetic disk , characterized in that at the inner face of either one of the upper shell and the lower shell are formed concave portions along both left and right side edges of the head window , and that the liner is attached to the inner face of the upper shell or the lower shell from respective outer edges of the concave portions

Growing community of inventors

Yamagata, Japan

Tamotsu Shibata