.~.~ Having safety standby structure becoming operative upon apparatus malfunction
DEFINITION
Classification: 60/582
(under subclass 533) Apparatus comprising normally inactive means that becomes effective upon the occurrence of a malfunction of a pulsator to ameliorate the effect of the malfunction.
SEE OR SEARCH THIS CLASS, SUBCLASS:
550, for a combined manual and power operated system having means that eases manual operation responsive to malfunction of the motor;
552, for a combined manual and power system in which the manual system becomes operative upon malfunction of the power system.
568, for a pulsator with distinct means for holding a pulsator element in a set position.
SEE OR SEARCH CLASS
137, Fluid Handling, 456+, for a fluid system having a safety cut-off valve requiring reset.
