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. 23, 1993
Filed:
Oct. 18, 1991
Applicant:
Inventor:
Fumiyuki Yamaoka, Kanagawa, JP;
Assignee:
Atsugi Unisia Corporation, Kanagawa, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16F / ; F16F / ; B60G / ;
U.S. Cl.
CPC ...
188267 ; 188285 ;
Abstract
An electromagnetic strut comprises a coil assembly including a plurality of coils arranged along a predetermined axis, and a magnetic device movable relative to the coil assembly along the predetermined axis. The magnetic device includes a magnetic circuit which produces two magnetic fields spaced at a distance along the predetermined axis, Each of the plurality of coils has an axial dimension less than the distance at which the two magnetic fields of the magnetic circuit are spaced.