Nozzle head for rotating spray device

Details Nozzle head for rotating spray device Nozzle head for rotating spray device

1993-12-03

1995-04-04

Grant, William

Fluid sprinkling, spraying, and diffusing

Distributor continuously moves relative to support during...

Electric motive means

239264, 239600, 277 53, B05B 302

Patent

active

054029368

ABSTRACT:
A nozzle head includes a nozzle holder and a nozzle being disposed within the nozzle holder. A fixed housing has a pressure water fitting therein. The pressure water fitting includes a hollow shaft connected to the nozzle holder with a channel for communication of water under pressure passing entirely through it. A first insertion bushing supports a ring-shaped flange. A second insertion bushing supports a ring-shaped flange. The first and second insertion bushings are disposed in the channel of the hollow shaft along at least a part of its length such that the first and second bushings, at least in part, overlap. A split labyrinthine packing is disposed in the overlapping area between the first and second bushings.

REFERENCES:
patent: 2625411 (1953-01-01), Unger
patent: 3029028 (1962-04-01), Skerritt
patent: 3743183 (1973-07-01), Malcolm
patent: 4715539 (1987-12-01), Steele
patent: 4863177 (1989-09-01), Rockwood et al.
patent: 4923120 (1990-05-01), Hammelmann
patent: 5060863 (1991-10-01), Hammelmann

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