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:
May. 05, 1998
Filed:
Sep. 05, 1996
Applicant:
Inventors:
Shigekazu Nagai, Ibaraki-ken, JP;
Tadasu Kawamoto, Okayama, JP;
Assignee:
SMC Kabushiki Kaisha, Shimbashi, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02N / ; F16H / ; F16H / ;
U.S. Cl.
CPC ...
310 20 ; 310 80 ; 310 83 ; 74 8915 ; 744248 ;
Abstract
An electric actuator has an elongate base, a power unit and an encoder device which are fixedly mounted on respective opposite ends of the base in confronting relation to each other, a slide table displaceable longitudinally along the base, a ball screw for transmitting rotational power from the power unit to the slide table, and a pair of guide lands integral with the base for guiding the slide table longitudinally along the base.