(under subclass 265) Dispensers having means to prevent discharge from certain of the discharge assistants while others are in use, i.e., having some means by which the desired one or more discharge assistants are caused to be operative to discharge while the other one or more are prevented from causing discharge (whether maintained in motion or not).
(1) Note. Individual discharge controllers for each outlet or discharge assistant path are not included, see subclasses 310+.
SEE OR SEARCH THIS CLASS, SUBCLASS:
278+, for alternatively usable discharge assistants of different types, where the arrangement provides for discharging from one at a time only. Plural devices comprising a unitary rotor structure are ordinarily considered of similar types, even though the several devices have different characteristics.