BALL COCK Russian patent published in 2006 - IPC F16K5/06 

FIELD: valving.

SUBSTANCE: ball cock comprises housing and valving member connected with spindle and mounted in the seats and member made of bushing having unequal face surfaces. The bushing is mounted in the housing for permitting pressing the seat to the valving member. The load is provided by outer surface of the bushing. The bushing faces the seat or its smaller face surface, and outer surface are in a contact with the rib defined by the inner surface of the seat and its face surface. The large face surface of the bushing can face the seat, and its outer surface is in a contact with the rib made in the inner surface of the housing of the ring projections.

EFFECT: enhanced reliability.

3 cl, 4 dwg