Abstract: The nozzle includes a sleeve and a hollow body concentrically disposed within the sleeve. A hollow cylindrical baffle housing is coaxially maintained within the body by vanes which extend between the housing outer wall and the body inner wall. Formed on the outer wall of the body is a thread which mates with a thread on the inner wall of the sleeve to permit rotation of the sleeve relative to the body between two stop positions. A baffle is secured to the baffle housing and is provided with a head which, as the sleeve is rotated toward the first stop position, approaches a baffle seat formed on the sleeve and thereby diminishes the quantity of liquid discharging from the nozzle.

Abstract: The spray pattern of a shower head may be varied by threading the faceplate of the head axially relative to its housing to change the effective cross-sectional areas of tapered grooves in pattern control elements which project through openings in the faceplate and which rotate as a unit with the faceplate during its manipulation. One embodiment has a mounting ring for the control elements which is rotatably retained on the central arbor of the head by a collar bonded to the tip end of the arbor. A second embodiment has a mounting ring for the elements which is threaded onto the exterior of the arbor in a manner to provide relative linear displacement between the faceplate and the elements when the faceplate is threaded into or out of the arbor, and a third embodiment utilizes a threaded collar at the tip end of the arbor to retain the freely rotatable mounting ring for the elements in place on the arbor.