Dispensing – Fluid flow discharge – Open blast
Reexamination Certificate
2005-09-13
2005-09-13
Scherbel, David A. (Department: 3752)
Dispensing
Fluid flow discharge
Open blast
C222S129000, C222S168500, C222S144500, C239S310000
Reexamination Certificate
active
06942128
ABSTRACT:
An automatic fertilizer that is designed to be used with a yard/lawn/garden sprinkler system. This unit is placed before the zone valves of the sprinkler system. The unit is designed to disperse fertilizer into a tank chamber below a discharge tray. The fertilizer dissolves in the water and is distributed/dispersed to the appropriate sprinkler system zone. The discharge tray has multiple chambers based on the number of zones in the sprinkler system. The chambers in the discharge tray can hold various capacities based on the area covered by each zone within the sprinkler system. The discharge tray turns to dispense the fertilizer as the sprinkler system changes from zone to zone. The discharge tray is automatically moved. The chambers are manually refilled based on the frequency of yard fertilization. The unit has an access from the top to the discharge tray for filling chambers with fertilizer material.
REFERENCES:
patent: 3260415 (1966-07-01), Kozo Minamiyama et. al.
patent: 3648900 (1972-03-01), Voigt
patent: 5022585 (1991-06-01), Burgess
patent: 6230987 (2001-05-01), Truong
patent: 2002/0145057 (2002-10-01), Leedy et al.
Barney Seth
Scherbel David A.
Tavella Michael J.
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