US PATENT SUBCLASS 236 / 81
.~.~.~ Snap-acting

Current as of: June, 1999
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236 /   HD   AUTOMATIC TEMPERATURE AND HUMIDITY REGULATION

67  DF  MOTORS {7}
*  DD  .~ Fluid-operated {1}
79  DF  .~.~ Relay {6}
81.~.~.~ Snap-acting

DEFINITION

Classification: 236/81

(under subclass 79) Devices in which the relay does not operate on slight changes in temperature, but its operating force is stored up during a certain movement of the temperature-responsive device and then suddenly moves through its entire movement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

48, for snap acting controls not a fluid operated relay.

83, for the same in a compound relay system.