Revolving lawn sprinkler

Details Revolving lawn sprinkler Revolving lawn sprinkler

2007-03-20

2007-03-20

Hwu, Davis (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

C239S201000, C239S203000, C239S204000, C239S205000, C239S206000

Reexamination Certificate

active

10718685

ABSTRACT:
A revolving lawn sprinkler comprises a rotary guide plate by which the water flow is so controlled as to actuate a lobed wheel, which in turn actuates a rotary disk via a transmission mechanism. A nozzle is mounted on the rotary disk and is provided with a movable joint. The rotary guide plate is forced to change its revolving direction at such time when a projection of the rotary disk comes in contact with a locating block of a top cover of a housing of the lawn sprinkler.

REFERENCES:
patent: 3703990 (1972-11-01), Erickson
patent: 4773595 (1988-09-01), Livne
patent: 5718381 (1998-02-01), Katzer et al.
patent: 5720435 (1998-02-01), Hunter
patent: 5823439 (1998-10-01), Hunter et al.
patent: 6138924 (2000-10-01), Hunter et al.

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