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:
Jan. 31, 1989
Filed:
Nov. 12, 1986
Applicant:
Inventors:
Yuuji Iwahashi, Miyagi, JP;
Kiyoshi Urayama, Miyagi, JP;
Assignee:
Sony Corp., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360132 ; 242199 ;
Abstract
In a tape cassette having supply and take-up reels on which a tape extending between the reels is wound, a cassette housing containing the reels, leaf springs for urging the reels toward the lower portion of the housing, and headed pins depending from an upper portion of the housing through holes in the leaf springs for mounting the latter; each leaf spring has a surface portion adjacent the respective hole formed with fine convex and concave irregularities and being engaged by the respective headed pin for securely holding the leaf springs against turning and wobbling about the headed pins.