Plant husbandry – Stand for holding a plant or growing medium receptacle
Patent
1987-11-02
1989-05-16
DeMille, Danton D.
Plant husbandry
Stand for holding a plant or growing medium receptacle
47 79, 47 59, 222457, A47G 702, A01G 2700
Patent
active
048297089
ABSTRACT:
A plant care apparatus having a container for holding a liquid of water or water with fertilizer to be delivered to plants. The container has an outlet opening in the bottom thereof, a fill opening in the top and a way to seal the top of the container from entry of atmospheric air. A consistent pressure chamber is disposed below the container outlet opening for holding a predetermined amount of liquid which drains from the container. An air control passageway leading from the outlet opening of the container down to a predetermined level in the consistent pressure chamber causes the liquid from the consistent pressure chamber to fill until it reaches the predetermined level and closes the passageway. Once this passageway is closed, it prevents air from entering the container and thereby prevents the liquid from flowing. At least one accumulation chamber is provided below the consistent pressure chamber. A metering valve is disposed between each accumulation chamber and the consistent pressure chamber for controlling the amount of dripping of fluid from the consistent pressure chamber to each respective accumulation chamber. A level responsive device is connected to the accumulation chamber for causing each accumulation chamber to fill and then automatically empty once the liquid in the accumulation chamber reaches a predetermined level. When the accumulation chamber empties, a tube is provided to direct the fluid flow to a potted plant or the like.
REFERENCES:
patent: 2134214 (1938-10-01), Storck
patent: 2542069 (1970-11-01), Ollison
patent: 2647266 (1953-08-01), Vierra
patent: 2948238 (1960-08-01), Hoffman
patent: 2990647 (1961-07-01), Himebaugh
patent: 3168224 (1965-02-01), Rios
patent: 4042150 (1977-08-01), Roos
patent: 4574520 (1986-03-01), Arledge
patent: 4578897 (1986-04-01), Pazar et al.
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