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. 16, 1997
Filed:
May. 31, 1996
Applicant:
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 772 ; 360 9702 ; 369 751 ;
Abstract
A disk cartridge driving apparatus contains a loading mechanism for loading a cartridge or cassette case inserted through an opening and a spindle motor, optical head, optical head driving mechanism for recording and reproducing data from a disk in the cartridge or cassette case. The spindle motor, optical head and optical head driving mechanism are flexibly sealed to prevent the entry of dust even when a disk cartridge is being loaded into the apparatus.