Pioneer Electronic Corporation

Pioneer Electric Corporation

Pioneer Ldc, Inc.

Pioneer Precision Machinery Corp.

Tomoyoshi Arai

Tsutomu Miyakawa

Masahiro Takagi

Satoshi Sakurai

Junji Yamane

Yukiyoshi Ciba

Haruhiko Tanaka

Yuji Morita

A plurality of supporting members are provided on a base plate of a case body. A peripheral portion of an optical disk is mounted on the supporting members. A spring is provided in the case body. A peripheral edge of the disk is engaged with the spring so that the disk is urged to a pair of supporting members opposite the spring.

Case for an optical disk

A front-loading record player comprises a slide base carrying thereon a turntable and movable back and forth with respect to a player cabinet; a driving cam including a front slant retainer section and a rear linear section, the linear section extending in parallel with the moving direction of said slide base and the driving cam being provided on said slide base; a guide cam including a front recess portion and a rear linear portion, the linear portion extending in parallel with the moving direction of the slide base and the guide cam being provided on the player cabinet; and a front door opening/closing drive member for opening and closing a front door of the player cabinet, the drive member being held between the driving cam and the guide cam. The front door opening/closing drive member and the front door are drivingly coupled to each other. The front door opening/closing drive member is driven back and forth and held between the front slant retainer section of the driving cam and the rear linear portion of the guide cam when the slide base is located behind a predetermined position whereas the front door opening/closing drive member is held at a standstill between the linear section of the driving cam and the recess portion of the said guide cam when the slide base is located in front of the predetermined position.

Front-loading record player

Growing community of inventors

Saitama, Japan

Tomoyoshi Arai