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.

Date of Patent:
Mar. 21, 2006

Filed:

Sep. 06, 2000
Applicants:

Kazuo Hiraguchi, Kanagawa, JP;

Katsuki Asano, Kanagawa, JP;

Masayoshi Moriwaki, Kanagawa, JP;

Inventors:

Kazuo Hiraguchi, Kanagawa, JP;

Katsuki Asano, Kanagawa, JP;

Masayoshi Moriwaki, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B 23/087 (2006.01);
U.S. Cl.
CPC ...
Abstract

The present invention aims to prevent damages of a magnetic tape in a magnetic tape cassette adapted to be operated in a recording and reproducing apparatus which can similarly operate a plurality of magnetic tape cassettes. More specifically, in the invention, differences (A−B, A−B) between heights A, Aof radially inner portions (), () of lower flanges (), () and heights B, Bof ribs (), () of lower halves (), () for restricting a height of the magnetic tape are equal (A−B=A−B) in a plurality of the magnetic tape cassettes which have the same vertical sizes and different sizes in a horizontal direction.


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