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:
Nov. 29, 1977
Filed:
Mar. 09, 1976
Applicant:
Inventor:
Toshihiro Kondo, Chofu, JA;
Assignees:
Other;
Fuji Photo Film Co., Ltd., Minami-ashigara, JA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G05D / ;
U.S. Cl.
CPC ...
350269 ; 335303 ; 354234 ;
Abstract
A thin permanent magnet sheet is sealed in a plastic blade. The magnet sheet is provided with perforations for binding the plastic material on one side of the magnet sheet with the plastic material on the other side thereof, thereby reinforcing the blade and facilitating the manufacture thereof. The magnet sheet is further provided on both sides thereof with projections of equal height to facilitate the molding of the plastic blade with the magnet sheet sealed therein at the middle of the thickness thereof.