Pioneer Electronic Corporation

Taichi Sato

Toshirou Yamashita

Yasuhiro Shinkai

Akira Shimizu

Tomomichi Kimura

Shigeharu Furusawa

Tatsuya Yanagisawa

Takashi Ota

Jiro Morinaga

Shigeo Maruyama

An optical pickup feed device for feeding an optical pickup in a radial direction of an optical disc, includes guide rods enabling the optical pickup to move in a predetermined radial direction of an optical disc, and a driving system for producing a driving force to the optical pickup. The driving system comprises: a feed screw arranged in parallel with a direction in which the optical pickup moves, and is rotatable by a driving force from a driving motor; a nut engaging on the feed screw for moving the optical pickup, said nut including an engaging portion engageable with the feed screw and a bank portion provided on either side of the engaging portion, said bank portion being protruding toward the feed screw.

Optical pickup feed device

A tray loading arm is provided for reciprocating between a magazine and a reproducing device. A pin is provided on the tray loading arm, and a tray guide device is operatively engaged with the pin so as to be moved together with the pin. The tray guide device has a guide plate to be engaged with the tray for moving the tray, and a slide plate to be engaged with the tray for keeping engagement of the guide plate with the tray during movement of the tray.

Tray loading device of a CD player

Growing community of inventors

Saitama-ken, Japan

Taichi Sato