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. 24, 1981
Filed:
Sep. 25, 1979
Shunzo Oka, Hirakata, JP;
Matsushita Electric Industrial Co., Ltd., Osaka, JP;
Abstract
A mechanical control system comprising a master or a controller which is rotated in control operations, a slave or a controlled unit such as a rotary electric control component such as a variable resistor, and a mechanical power transmission means for interconnecting between the master and slave for transmitting the turning force of the master to the slave. The mechanical power transmission means comprises a core and a plurality of helical spring layers tightly wound one upon another alternately in the opposite directions so that the angular mismatching or misalignment between the master and slave may be avoided. Since the master and slave may be spaced apart from each other, the layouts of electric components may be remarkably facilitated even in a very limited space.