US PATENT SUBCLASS 337 / 43
.~.~.~.~.~ With interlocking means

Current as of: June, 1999
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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}
41  DF  .~.~.~ Multiple contact or plural circuit control means {3}
42  DF  .~.~.~.~ Plural switches {1}
43.~.~.~.~.~ With interlocking means

DEFINITION

Classification: 337/43

(under subclass 42) Subject matter including means whereby the plural switching devices are rendered interdependent, one or the other, thereby being caused to operate alternately, successively, or selectively, the operation of each depending upon conditions in at least one other. For example, one device is prevented from operation while another is in an operated position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

339, for similar devices with thermally responsive bimetallic means.