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. 28, 1978
Filed:
Apr. 12, 1976
Applicant:
Inventors:
William J Barrett, Rockford, IL (US);
Hal G Meyer, Rockford, IL (US);
Assignee:
Barber-Colman Company, Rockford, IL (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01F / ;
U.S. Cl.
CPC ...
335228 ; 335259 ;
Abstract
An actuating device is disclosed which is modular in construction. The device employs a modular head having a rotatable output shaft for controlling valves, etc. One or more force motors are arranged to actuate the output shaft according to the required application. The force motors are electromagnetic and can accurately position the output shaft as a function of applied current.