Fluid handling – Systems – Programmer or timer
Reexamination Certificate
2007-05-01
2007-05-01
Lee, Kevin (Department: 3753)
Fluid handling
Systems
Programmer or timer
C004S378000
Reexamination Certificate
active
11090602
ABSTRACT:
A geared mechanical device designed to limit a finite amount of water per flush to a tank reservoir of the common household toilet, providing positive shutoff of flow and anti-siphon back flow prevention. The toilet is flushed, the actuator lever opens the flo-control valve stopper by means of linkage to the flush lever. The water enters the back flow chamber into the primary valve chamber thence to the flow control chamber, and on to the float valve into the toilet tank for fill up. Force of the water rotates the drive impeller gearably linked to the hold release mechanism. On release the flo-control valve stopper closes. The back flow prevention chamber allows the water to pass in the direction of flow and reseats itself when the flow has stopped or if water pressure is lost at any time eliminating a need for a anti-siphon tube. A replenish tube restores water level to the bowl. A water delivery chamber may be affixed to the flo-control in place of the float valve. For the purpose of adjusting the volume of water per flush a modified slotted disk hold release mechanism is used in the flo-control, gearably connected to the drive impeller.
REFERENCES:
patent: 1841433 (1932-01-01), Finnegan
patent: 4193145 (1980-03-01), Gross et al.
Chisholm, Jr. Malcolm J.
Lee Kevin
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