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:
Mar. 31, 1981
Filed:
Apr. 16, 1979
Applicant:
Inventors:
Hiroshi Kuribayashi, Tokorozawa, JP;
Atsuo Ikeda, Tokorozawa, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 12 ;
Abstract
An electromagnetic linear-motion device in which a field magnet unit mounted on a movable unit slidably supported on elongated guide members is movable longitudinally between and along a pair of spaced parallel stationary linear armatures so that any objectionable forces producing increased frictional forces between the movable unit and the guide members are cancelled by each other.