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:
Dec. 27, 1988
Filed:
Nov. 13, 1986
Applicant:
Inventors:
Takao Hyuga, Soraku, JP;
Kazuhiko Ueda, Nara, JP;
Assignee:
Sharp Kabushiski Kaisha, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ;
U.S. Cl.
CPC ...
310 13 ;
Abstract
A linear motor for magneto-optical disk drive or the like, including a movable member, a guide for guiding the movable member, a driving yoke provided at a central portion of the guide, an actuating member provided at the movabole member and a coil wound around the actuating member such that the actuating member is axially movably fitted around the guide. In the linear motor, a height of a line of action of a driving force produced by electromagnetic action between the coil and the driving yoke is so set as to coincide with a height of a centerline of the guide.