US PATENT SUBCLASS 337 / 129
.~.~.~.~ With adjustment or calibration means

Current as of: June, 1999
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337 /   HD   ELECTRICITY: ELECTROTHERMALLY OR THERMALLY ACTUATED SWITCHES

14  DF  ELECTROTHERMALLY ACTUATED SWITCHES {9}
123  DF  .~ With longitudinally expansible solid element (e.g., rod, wire strip, etc.) {7}
126  DF  .~.~ With manual or other mechanical contact actuating means {3}
128  DF  .~.~.~ Latching or tripping means {2}
129.~.~.~.~ With adjustment or calibration means

DEFINITION

Classification: 337/129

(under subclass 128) Subject matter wherein the latching or trip structure includes significant means whereby the current value necessary to cause the operation of the actuating device, may be regulated, readily adjusted or calibrated.

SEE OR SEARCH THIS CLASS, SUBCLASS:

357, for thermally responsive bimetallic actuated switches with adjusting means.

SEE OR SEARCH CLASS

335, Electricity: Magnetically Operated Switches, Magnets, and Electromagnets, appropriate subclasses, particularly

42, 45, and 176 for circuit control means of the electromagnetic type adjustable latch or tripping means.