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. 22, 2014
Filed:
Dec. 01, 2009
Richard Daum, Neumarkt/Opf., DE;
Richard Daum, Neumarkt/Opf., DE;
DEHN + SÖHNE GmbH + Co. KG, Neumarkt/Opf., DE;
Abstract
The invention relates to a surge arrester which, in a housing (), has at least one arrester element (), in particular a varistor, a solder-fixed thermal disconnection point (), which is connected to the arrester element, and a damage indicating device () for displaying the fault state, wherein the damage indicating device also queries the state of a thermal disconnection device, in particular a fuse, and presents the possible fault states of the arrester element and of the disconnection device mechanically in an OR combination in a suitable way. Furthermore the thermal disconnection device comprises a movable component, which is fixed by an indicator wire and is released after the melting or destruction of said wire. According to the invention, a guide part () for a compression spring () or similar force accumulator is provided on or in the housing.