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:
Jun. 08, 1976
Filed:
May. 28, 1975
Applicant:
Inventor:
Richard Thaler, Unterentfelden, CH;
Assignee:
Sprecher & Schuh AG, Aarau, CH;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ;
U.S. Cl.
CPC ...
317 16 ; 174 / ; 200 6108 ; 317 / ;
Abstract
A high-speed grounding apparatus for metal encapsulated high-voltage switching installations embodying a grounding bolt which, by igniting a propellent charge, can be forwardly shifted out of its rest position into its grounding or earthing position for electrically connecting the capsule with a conductor encapsulated therein. An ignition device is provided for the propellent charge, this ignition device being triggered by an increase in pressure in the switching installation.