(under subclass 544) Dispensers in which the movable element is of nonpivoted type and is mounted for guided reciprocable motion.
SEE OR SEARCH THIS CLASS, SUBCLASS:
142.8, for reciprocating closure elements associated with plural compartment dispensers of the hand manipulable shaker type.
447, for trap chambers having reciprocating, nonrigidly interconnected cutoffs.
453, for trap chambers having reciprocating, rigidly interconnected cutoffs for both inlet and outlet.
495+, for reciprocating movable outlet elements operably by pressure of the container contents. 509, for movable outlet elements reciprocable axially of the outlet and having relatively movable actuating means.
510, for reciprocable outlet elements having a rod actuator extending through a container wall and the container interior to the element.
518, for reciprocable outlet elements with resilient biasing means.
522+, and see the notes thereto for axially movable tubes, sleeves or apertured caps.
SEE OR SEARCH CLASS
220, Receptacles,
345.1+, for a sliding closure.
251, Valves and Valve Actuation,
318, for reciprocating valves for flow devices not elsewhere provided for.
