MIXING COCK Russian patent published in 1998 - IPC

FIELD: sanitary engineering. SUBSTANCE: mixing cock has body with mixing chamber, cold and hot water supply channels and water discharge channels, locking devices, closure and change-over device having two plates with through circumferentially arranged windows. Immovable plate is positioned on flexible gasket and fixed by retainer. Immovable plate windows are communicated with channels for directing mixed water to shower and discharge pipe, respectively, and are separated by connecting member configured to correspond rotary plate shape. Rotary plate is connected with drive stem. Rotary plate is provided with end stop and stem end engageable with rotary stop is provided with mating end stop. Other end of stem has smaller diameter and is provided with pressure sleeve connected with closure. Recess extending along peripheral edge of rotary plate is adapted to receive retainer, which comes into contact with side walls of recess, when stem is in its extreme positions. EFFECT: increased efficiency, prolonged service life and enhanced reliability in operation. 2 cl, 3 dwg