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:
Apr. 20, 1976
Filed:
Oct. 04, 1974
Emil Robert Plasko, Washington Township, OH (US);
Micro Devices Corporation, Dayton, OH (US);
Abstract
A thermally actuatable switch having a housing provided with a pair of leads, one of the leads having a contact and the other of the leads having a spring blade for making contact with the contact to complete an electrical circuit between the leads. The spring blade has a normal bias to move the same out of contact with the contact to open the circuit. A temperature sensitive member is carried by the housing and is adapted to collapse when the same is at a predetermined temperature. A biasing member is operatively associated with the temperature sensitive member and the spring blade to resiliently hold the spring blade in contact with the contact as long as the temperature sensitive member is in an uncollapsed condition thereof whereby the biasing member substantially compensates for any shrinkage and/or deterioration of the temperature sensitive member during its uncollapsed life and thus maintains the spring blade in contact with the contact.