Sprinkler head sealing apparatus

Details Sprinkler head sealing apparatus Sprinkler head sealing apparatus

1976-06-18

1977-12-13

Love, John J.

Fluid sprinkling, spraying, and diffusing

Distributor continuously moves relative to support during...

With impact motive means

239264, B05B 302

Patent

active

040624943

ABSTRACT:
A rotatable head sprinkler apparatus incorporates a lower bearing seal between a swivel device for connection to a source of water under pressure, and a spindle connected through said swivel device to a self-powered rotary sprinkler head of the type used for irrigation. A bearing washer is formed into the swivel device and forms a coupling for a protective seal which prevents the entry of trash, or the like, into the area between the seal and the wear washer.

REFERENCES:
patent: 2592645 (1952-04-01), Kayser
patent: 3331642 (1967-07-01), Krauss
patent: 3764073 (1973-10-01), Costa et al.
patent: 3799631 (1974-03-01), Martina
patent: 3957205 (1976-05-01), Costa

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