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:
Oct. 01, 1991
Filed:
May. 29, 1990
Applicant:
Inventor:
Yukinori Ueda, Nagaokakyo, JP;
Assignee:
Murata Manufacturing Co., Ltd., Kyoto, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01C / ;
U.S. Cl.
CPC ...
338160 ; 338162 ; 338164 ;
Abstract
A variable resistor of the type having a substantially curved resistor provided on a substrate has an arm portion of a sliding member contacting therewith, the sliding member being rotatable, with a central portion of the resistor as a supporting point, for adjusting the resistance value by rotating the sliding member with a driver. A driver plate of the sliding member is formed substantially into a cone in shape, in which cone a driver groove portion is provided. The driver tip is guided by the conic portion and inserted into the driver groove portion.