(under subclass 615) Systems in which relative movement of the sections of the flow conduit actuates a valve which controls flow through the conduit.
SEE OR SEARCH THIS CLASS, SUBCLASS:
274, for water cranes having a valve operated by the spout.
286+, for hydrants having a valve actuated by movement of the riser.
SEE OR SEARCH CLASS
15, Brushing, Scrubbing, and General Cleaning,
318, for air blast cleaners in which the air supply control is interlocked with nozzle motion means. 222, Dispensing,
519+, 522+ and 526+, especially subclasses 528, 529, 531+, 536, and 537 for dispensers having movable material discharge guides associated with closures.
251, Valves and Valve Actuation,
149, for single flow path devices having a single valve contained in a pipe coupling or union in which the valve is operated by motion of the coupling or conduit, and subclasses 341+ and 349+ for valves having a casing, inlet or outlet which is also an actuator for the valve.
