Self cleaning birdbath

Details Self cleaning birdbath Self cleaning birdbath

2006-03-14

2006-03-14

Poon, Peter M. (Department: 3643)

Animal husbandry

Birdbath

C119S072000

Reexamination Certificate

active

07011041

ABSTRACT:
A self cleaning birdbath with a bowl (10) which is shaped for easy cleaning and fixed to a support pole (14) that has a water supply pipe (13) inside it, connected to a gear driven lawn sprinkler (12) with a converter nozzle (11), that will produce a cleaning water jet (15) aimed downward into the bowl (10) which quickly empties the bowl (10) then the cleaning water jet (15) strikes the water holding surface of the bowl (10) directly and pressure washes it, the entire water holding surface of the bowl (10) is cleaned as the gear driven lawn sprinkler (12) rotates a full 360 degrees for as long as is needed for satisfactory cleaning. When the cleaning is done the water pressure is reduced so the water coming from the converter nozzle (11) will not have enough inertia to go over the rim, the bowl (10) will refill until the water is turned off.

REFERENCES:
patent: 2878781 (1959-03-01), Wingfield
patent: 3696786 (1972-10-01), Garwood
patent: 3995591 (1976-12-01), Garwood
patent: 4476813 (1984-10-01), Haiges
patent: 4630569 (1986-12-01), Dieleman
patent: 5784998 (1998-07-01), Manzer
patent: 6634316 (2003-10-01), Desatoff
patent: 6640747 (2003-11-01), Reusche
patent: 6647922 (2003-11-01), Travis
patent: 6684813 (2004-02-01), Lemon
patent: 6799533 (2004-10-01), Flowers et al.
patent: 6802458 (2004-10-01), Gregory

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