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:
Feb. 11, 1992
Filed:
Aug. 07, 1990
Applicant:
Inventors:
Takehisa Ishibashi, Atsugi, JP;
Shinobu Kakizaki, Atsugi, JP;
Yoshiaki Watanabe, Atsugi, JP;
Fukashi Kanai, Atsugi, JP;
Assignee:
Atsugi Motor Parts Company, Ltd., Kanagawa, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16F / ; H02P / ;
U.S. Cl.
CPC ...
318696 ; 318126 ; 310268 ; 280707 ; 188299 ; 188319 ;
Abstract
A rotary actuator is designed for rotatingly drive a rotary body, such as a rotary valve member for adjusting damping force to be created by a variable damping force shock absorber. The rotary actuator takes a layout of a permanent magnet and an electromagnet arranged in vertically spaced relationship. Vertical layout of the permanent magnet and the electromagnet reduces plane area required for installation.