FLUSH TANK DISCHARGE VALVE MECHANISM Russian patent published in 1998 - IPC

FIELD: sanitary engineering. SUBSTANCE: discharge valve mechanism has hollow plastic shut-off member 4, rod 3 located in guide member 9, seat 5 located in the tank base, fastener 8 attaching the shut-off member to the rod. Shut-off member 4 is made as a hemisphere with bosses 6 on the outer surface and with diametrically arranged cross-pieces connecting the hemisphere to the fastener. Guide member 9 is made as a bow with a centering opening for passage of the rod and with slots in the lateral walls for placement of bosses 6 of the shut-off member. Seat 5 is made of rubber, and the guide member - of plastic. EFFECT: improved design. 2 dwg