US PATENT SUBCLASS 218 / 40
.~.~ Arc runner (e.g., arc horn)

Current as of: June, 1999
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218 /   HD   HIGH-VOLTAGE SWITCHES WITH ARC PREVENTING OR EXTINGUISHING DEVICES

1  DF  ARC PREVENTING OR EXTINGUISHING DEVICES {14}
22  DF  .~ Magnetic blowout {7}
40.~.~ Arc runner (e.g., arc horn)

DEFINITION

Classification: 218/40

Arc runner (e.g., arc horn):

(under subclass 22) Subject matter including one of a pair of diverging electrodes on which an arc is extended to the point of extinction, or to the point of transferring the generated arc into a portion of an arc chute where the generated arc is divided into sub-arcs after the main contacts of the switching device have parted.

(1) Note. Arc runner is sometimes referred to as arc horn.

SEE OR SEARCH THIS CLASS, SUBCLASS:

36, for arc runner combination with arc chute.

148, for general arc prevention devices.