.~.~ Including discharge assistant supporting and movable with dip well {2}
581
.~.~.~ Diaphragm-type discharge assistant
DEFINITION
Classification: 222/581
(under subclass 580) Dispenser in which the discharge assistant comprises a resilient wall which supports the dip cup so as to be resiliently flexed (as when movement is imparted to the dip well), to cause the feed of ink.
SEE OR SEARCH THIS CLASS, SUBCLASS:
578, for a diaphragm-type discharge assistant which constitutes only the bottom wall of the dip well.
SEE OR SEARCH CLASS
15, Brushing, Scrubbing, and General Cleaning,
257.072, for an inkwell including implement-actuated diaphragm means to force a quantity of ink from the main body of the supply to a removal zone, which zone is not a trap chamber because the ink recedes back into the supply due to the incapacity of the zone to retain the ink.