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:
May. 09, 1989
Filed:
Sep. 02, 1988
Omar Givler, North Canton, OH (US);
Portage Electric Products, Inc., North Canton, OH (US);
Abstract
The present invention provides an improved means of connecting the end of a bimetal blade, from which the bimetal flexes, to a planar member of a thermostatic switch. The bimetal blade, in response to temperature changes of the ambient, flexes to alternately establish circuit closed and open conditions of the switch. In a preferred embodiment, the planar member is a contact strip that overlies the basewall of a non-conducting case. The attachment provided by the present invention increases the cyclical life expectancy of the bimetal blade by locating a preloaded weld button against the one attached end of the bimetal blade in a press fit wherein a pressure, exerted by the weld button, prevents movement of the bimetal blade. A weld penetrates the planar member, the bimetal blade and the weld button to prevent relaxation of the pressure. In the connection of the present invention, the blade is held in place essentially by the pressure exerted by the weld button rather than by the weld itself.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile