.~> Units interchangeable between alternate locations
DEFINITION
Classification: 137/269
(under the class definition) Apparatus so designed that its mode of operation can be changed by reassembling all or some of its parts in a different relationship to each other or by the addition or omission of a part.
(1) Note. Apparatus in which a change in direction of an outlet nozzle or spout is accomplished by disassembly and reassembly are classified here.
(2) Note. See the class definition, Lines With Other Classes and Within This Class, (3) Manual Control, etc. and also Subclass References to the Current Class, for search notes on fluid handling systems having adjusting means.
SEE OR SEARCH THIS CLASS, SUBCLASS:
315+, for systems having provision for assembly, disassembly and repair, especially subclasses 329+ for devices embodying plural areas or parts which are duplicates or equivalents, used successively or alternatively to distribute wear or for replacement of a worn part.
SEE OR SEARCH CLASS
251, Valves and Valve Actuation, 290, for a valve or actuator having plural selective neutral positions.