(under subclass 321) Apparatus in which, in addition to the pump motor, there is provided secondary means adapted to impart driving energy to the pump, said secondary means comprising either (1) an element (e.g., handle, tool) which is adapted for selective manual operation at the will of a human operator, (2) a secondary motor for driving the pump which is of a basically different type, or (3) a mechanically driven element connected in driving relationship with the pump and receiving its driving energy from a source other than the working member of the pump motor.
SEE OR SEARCH THIS CLASS, SUBCLASS:
323, for an auxiliary motor for driving the pump, said motor receiving its driving energy from the pump fluid.
335, for a fluid current motor driven pump with alternative drive means.
