US PATENT SUBCLASS 222 / 580
.~.~ Including discharge assistant supporting and movable with dip well

Current as of: June, 1999
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222 /   HD   DISPENSING

576  DF  INKWELL {5}
578  DF  .~ Including nongravity feed to dip well {2}
580.~.~ Including discharge assistant supporting and movable with dip well {2}
581  DF  .~.~.~> Diaphragm-type discharge assistant
582  DF  .~.~.~> Biased for resetting

DEFINITION

Classification: 222/580

(under subclass 578) Dispenser in which the nongravity feed means includes a discharge assistant which supports or is integral with the dip well to constitute a conjointly movable unit therewith for moving the ink.

(1) Note. This, and the indented, subclasses include patents to inkwell dispensers wherein movement of the discharge assistant is actuated by the force of the application of a penpoint thereto or to the dip well; see, also, subclass 589, for a penpoint-opened closure or valve at the pen-entry outlet of the dip cup of a barometric dispensing inkwell.

SEE OR SEARCH THIS CLASS, SUBCLASS:

578, for a discharge assistant which, in the inactive position thereof, constitutes only the bottom wall of the dip well.