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:
May. 08, 2007
Filed:
Aug. 20, 2004
Akihiro Fukasawa, Kyoto, JP;
Akihiro Fukasawa, Kyoto, JP;
Mitsubishi Denki Kabushiki Kaisha, Tokyo, JP;
Abstract
A main chassis supports a tray that carries a disk thereon and moves between a disk-discharging position and a disk-loading position. A motor is mounted on the main chassis and has a rotating shaft. A worm is formed on the rotating shaft. A drive gear rotatably is mounted on the main chassis and has a pinion gear and a worm wheel in mesh with the worm. The pinion gear is in mesh with a rack formed in the tray. The worm preferably satisfies a dimensional condition γo>Tan(μ/Cos αn) where γo is a lead, μ is friction coefficient, and αn is normal pressure angle. The worm has a lead angle γo greater than 15°. The rotating shaft extends in a direction at an angle with a plane in which the drive gear rotates.