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. 03, 1978
Filed:
Mar. 11, 1976
Applicant:
Inventor:
Akira Kagata, Neyagawa, JA;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
274 / ; 308 10 ;
Abstract
Magnets are attached to both ends of a knife-edge member pivotably received by a knife-edge bearing member while magnets are disposed in opposed relation with the first-mentioned magnets so that the displacement in the longitudinal direction of the knife-edge member may be prevented by the magnetic repulsive forces interacting between the first and second mentioned magnets.