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. 07, 1984
Filed:
Mar. 19, 1982
Applicant:
Inventor:
Shigeru Araki, Tamayama, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G01D / ;
U.S. Cl.
CPC ...
3461 / ;
Abstract
A mechanism for driving a recording pen in an automatic drafting machine, an X-Y plotter, etc., comprising a moving coil which is operated unitarily with the recording pen, magnetic circuits in which a center pole, permanent magnets and legs are arranged so as to interlink magnetic fluxes to the moving coil, a holder which holds the recording pen, and a supporting shaft and bearings which support the holder, the moving coil being supplied with current to drive the recording pen.