US PATENT SUBCLASS 337 / 48
.~.~.~.~.~.~ With common trip-bar 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}
45  DF  .~.~.~.~ Single multipole or polyphase control device {2}
47  DF  .~.~.~.~.~ With separate latching or tripping means in each phase {1}
48.~.~.~.~.~.~ With common trip-bar means {2}
49  DF  .~.~.~.~.~.~.~> Slidable or reciprocal bar
50  DF  .~.~.~.~.~.~.~> Rotatable

DEFINITION

Classification: 337/48

(under subclass 47) Subject matter including a single bar or other device operatively connected to each of the individual latching or tripping means whereby upon actuation of any one of the means all of the contact pairs are allowed to move to another position.