VALVE HEAD OF PLUMBING FIXTURE Russian patent published in 1997 - IPC

FIELD: plumbing fixtures. SUBSTANCE: valve head has body with external thread and circular wall having ports for passage of liquid, drive swivel rod with carrier, stop made in form of segment projection, handwheel and two ceramic disks with through segment-shaped holes. One disk is held stationary and other disk which is engageable with carrier is mounted rotatably. Upper portion of drive rod holds adapter with projection engageable with stop during turn of rod. Handwheel is secured on adapter. Lower portion of drive rod is provided with cavity whose walls have slots forming shaped edge. Carrier is made in form of projections located eccentrically on end of wall of projections, bow-shaped mating grooves being provided in movable disk. EFFECT: enhanced reliability. 4 dwg