US PATENT SUBCLASS 137 / 580
.~ With running joint between movable parts of system


Current as of: June, 1999
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137 /   HD   FLUID HANDLING

561 R  DF  SYSTEMS {32}
580.~ With running joint between movable parts of system


DEFINITION

Classification: 137/580

(under subclass 561) Systems comprising a relatively movable fluid supply and fluid receiver normally joined by rotating or longitudinally sliding or telescoping elements forming a shifting flow passage at right angles to the direction of movement of the elements to allow fluid flow between the supply and receiver during relative movement.

SEE OR SEARCH THIS CLASS, SUBCLASS:

257+, for the combination of a relatively rotatable tank group and filling head in which the tank group and filling head are connected by a running joint.

277+, for hydrants of the water crane type having a rotatable riser which is also vertically movable the connection between the riser and its supply frequently including a running

joint.

355.16+, for running joints between parts of the system, usually between the inlet and discharge portions of a hose wound on a reel and permitting fluid flow during relative movement.

581, for distribution systems comprising a movable tank, and see the search notes thereto. SEE OR SEARCH CLASS

239, Fluid Sprinkling, Spraying, and Diffusing,

195+, for sprinkler devices having a hose holder or reel and a running joint between parts of the system to permit fluid flow during relative movement.