(under subclass 14) Dispensers having means capable of being set in advance of dispensing to accumulate a single trapped volume selected from different possible quantities, and having means controlled by the trapped volume for cutting off
the supply.
SEE OR SEARCH THIS CLASS, SUBCLASS:
64+, for material level controls for dispensing operations, not selectively preset, though in some cases capable of minor adjustment to insure accuracy in delivering the intended volume.
SEE OR SEARCH CLASS
92, Expansible Chamber Devices,
13+, for adjustable stroke expansible chamber devices where no dispensing features are claimed.
