Class 218/65 - Contact structure

Subclass of Class 218 - High-voltage switches with arc preventing or extinguishing devices
Definition: Subject matter wherein structural details of an electrode
No. of applications: 4
Last issue date: 01/19/2012

Application No.	Application Title	Issue Date
20120012558	GAS INSULATED BREAKING DEVICE In a gas insulated breaking device which accommodates open/close elements including a puffer cylinder which compresses an insulation gas and extinguishes an arc and a contact finger which has a slide contact portion which is brought into slide contact with a slide conta...	01/19/2012
20070205182	Switching chamber and heavy-duty circuit breaker The switching chamber for a heavy-duty circuit breaker which can be filled with a quenching gas has a first arcing contact piece (1) and a second arcing contact piece (2), of which at least one (1; 2) can be moved by means of a drive. An arc (4	09/06/2007
20070181536	Heavy-duty circuit breaker with movement reversal The heavy-duty circuit breaker can be filled with a quenching gas and contains a first moveable arcing contact piece and a second moveable arcing contact piece as well as a drive for driving the first arcing contact piece and an auxiliary drive for driving the second ar...	08/09/2007
20070075045	Electrical switch An electrical switch is disclosed. The switch includes at least one switching contact which is held against the prestressing force of a contact force spring on a moving contact mount, and an arc quenching device, in which at least one section of the at least one contact...	04/05/2007

PatentStorm