US PATENT SUBCLASS 337 / 54
.~.~.~.~.~ With magnetic flux source (e.g., magnetic armature)

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
36  DF  .~ With bimetallic elements (i.e., motion takes place in a plane at right angles to its major axis) {10}
37  DF  .~.~ With manual or other mechanical contact controlling means {12}
52  DF  .~.~.~ With spring or other energy storage device {4}
53  DF  .~.~.~.~ Snap-action {4}
54.~.~.~.~.~ With magnetic flux source (e.g., magnetic armature)

DEFINITION

Classification: 337/54

(under subclass 53) Subject matter including means for setting up a field of magnetic flux whereby the actuation of the movable contact, or contacts, is at least in part influenced by magnetic force operative within the flux field.

SEE OR SEARCH THIS CLASS, SUBCLASS:

90, for electrothermal, bimetallic element snap action switch with magnetic armature.

134, for electrothermal, longitudinally expansible element snap action switch with magnetic biasing or holding means.

344, for similar devices with thermally actuated bimetallic elements.

366, for thermally actuated bimetallic snap action switch with magnetic flux source.