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:
Sep. 04, 2007
Filed:
Mar. 30, 2004
Susumu Hisatomi, Fukaya, JP;
Susumu Hisatomi, Fukaya, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Abstract
An optical head apparatus comprises a head unit for irradiating an optical disk with a light beam for recording or reproducing data, a holder for fixing the head unit thereto, a support unit for movably supporting the holder in a radial direction of the optical disk, a support member fixed to the holder, a rack unit movably engageable with the support member within a predetermined range and having a rack along a moving direction of the holder, a gear meshing with the rack of the rack unit, so as to transmit rotating force of a drive source to the rack, and an urging unit for urging the rack unit against the support member in such a manner that the rack meshes with the gear by a predetermined resilient force.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile