US PATENT SUBCLASS 337 / 68
.~.~.~ With direct contact separating means (e.g., plunger camming means)

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}
68.~.~.~ With direct contact separating means (e.g., plunger camming means)

DEFINITION

Classification: 337/68

(under subclass 37) Subject matter wherein the manual or other mechanical contact controlling means includes plunger or other means whereby the electrical circuit is completed or interrupted by the insertion between or withdrawal of an intermediate member directly between the contacts.

SEE OR SEARCH THIS CLASS, SUBCLASS:

148, for electrothermally actuated switches with fusible elements combined with a plunger or striker pin for separating the contacts.