US PATENT SUBCLASS 425 / 136
.~ Means responsive to abnormal condition completely stop operation of machine

Current as of: June, 1999
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425 /   HD   PLASTIC ARTICLE OR EARTHENWARE SHAPING OR TREATING: APPARATUS

135  DF  CONTROL MEANS RESPONSIVE TO OR ACTUATED BY MEANS SENSING OR DETECTING A CONDITION OR MATERIAL TRIGGERED {8}
136.~ Means responsive to abnormal condition completely stop operation of machine {2}
137  DF  .~.~> Means responsive to material remaining in mold from previous molding operation
138  DF  .~.~> Means responsive to improper mold position

DEFINITION

Classification: 425/136

(under subclass 135) Apparatus including both (1) means to sense an abnormal or unsafe condition and (2) means to stop operation of a machine due to said condition.

SEE OR SEARCH THIS CLASS, SUBCLASS:

151+, for safety features not involving automatic control.