The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 03, 2012
Filed:
Sep. 28, 2006
Noriyo Oshima, Osaka, JP;
Yasuhiro Shinkai, Kawagoe, JP;
Kuniya Satomi, Kawagoe, JP;
Kazuyoshi Sato, Tendo, JP;
Yuji Ando, Kawagoe, JP;
Atsushi Shibuya, Kawagoe, JP;
Noriyo Oshima, Osaka, JP;
Yasuhiro Shinkai, Kawagoe, JP;
Kuniya Satomi, Kawagoe, JP;
Kazuyoshi Sato, Tendo, JP;
Yuji Ando, Kawagoe, JP;
Atsushi Shibuya, Kawagoe, JP;
Pioneer Corporation, Tokyo, JP;
Tohoku Pioneer Corporation, Yamagata, JP;
Abstract
The present invention is to provide a pickup feed device to accurately position an optical pickup in place with miniaturization. The pickup device includes a lead screw attached to a movable chassis, a pickup portion, a rack member, a torsion coil spring, a projection portion, and a recess portion. The pickup portion has a case receiving the pickup. The rack member is fixed to the case. The rack portion disposed on a rack one end portion and a case one end portion are engaged with the lead screw. A rack another end portion has the abut portion abutting an inner edge portion of the movable chassis. The torsion coil spring urges the abut portion toward a case another end portion. The projection portion is disposed on the abut portion and the recess portion is disposed on the case another end portion.