US PATENT SUBCLASS 425 / 152
.~ Plural starting buttons or mold operating means dependent upon position of a machine element

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

151  DF  WITH SAFETY FEATURE {3}
152.~ Plural starting buttons or mold operating means dependent upon position of a machine element

DEFINITION

Classification: 425/152

(under subclass 151) Apparatus comprising (1) two or more starting switches, wherein both switches must be depressed in order to actuate the devices or (2) means preventing motion of a mold element until a protective means is in the proper

position.

SEE OR SEARCH THIS CLASS, SUBCLASS:

161, for devices having interlocked diverse function elements not for safety purposes.