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:
Jan. 17, 1989
Filed:
Jun. 29, 1987
Shigeru Tabei, Tokyo, JP;
Tobu Electric Co., Ltd., Tokyo, JP;
Abstract
This invention provides a snap-action heat responsive device employing a bimetallic strip which is typically used with a thermostat, a temperature-protecting apparatus or the like. Two elongated portions of the bimetallic strip oppose each other so that they may be deflected in the opposite directions to double the amount of displacement of the bimetallic strip and in addition so that they may be urged in the opposite directions. This enables swift reverse of the bimetallic strip and also production of a small-sized bimetallic device suitable for use as a miniature current limiter for handling an electric current of about one ampere. It is therefore possible to produce a snap-action heat responsive device having a high sensitivity with respect to variations in temperature.