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:
Jun. 06, 1989
Filed:
Dec. 16, 1986
Applicant:
Inventors:
Assignee:
TDK Corporation, , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360133 ;
Abstract
A disc cartridge capable of preventing a recording surface section of a disc from being contacted by a casing and placing the disc at a proper position in the casing without damaging and polluting, to thereby ensure the safe and smooth operation of the disc in the casing. The disc cartridge includes a pair of disc receivers each of which is formed therein with a recess for receiving a peripheral portion of the disc. The recess has an end surface contacting an outer periphery of the disc, which is formed into a substantially sideways V-shape of which an apex is positioned at substantially a center of the end surface to position the outer periphery of the disc at the center of the end surface.