Boom arrangement for a car wash

Details Boom arrangement for a car wash Boom arrangement for a car wash

2006-08-01

2006-08-01

Nguyen, Dinh Q. (Department: 3752)

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Building features

C239S750000, C239S752000, C015SDIG012, C248S075000

Reexamination Certificate

active

07083116

ABSTRACT:
A double boom arrangement for use in a car wash includes a first and a second boom assembly mounted side by side on a respective rotatable coupling so that a horizontal portion of the hose of each boom can rotate about a vertical axis in a generally horizontal plane with the remainder of the hose extending downwardly from the horizontal plane at an outer end of the boom. Each boom has a parking arrangement for moving the boom and the hose to a parked location extending 180 degree away from the other boom. The boom includes a first inner and a second outer boom portion with the inner and outer portions connected by a second swivel coupling parallel to the first and spaced outwardly therefrom. The inner boom portion is mounted on a bracket for pivotal movement about a horizontal axis and constrained by two horizontal springs above the pivot axis. The springs are mounted at opposite ends of a rod bent around the pivot axis where each is compressed as the first boom portion pivots downwardly. The second boom portion uses a spring wire support to provide a second pivot action.

REFERENCES:
patent: 2011375 (1935-08-01), Rohan
patent: 3265087 (1966-08-01), Livingston
patent: 4131132 (1978-12-01), Zierden
patent: 4456177 (1984-06-01), Johnson
patent: 4575005 (1986-03-01), Wiebe
patent: 4998693 (1991-03-01), Wiebe
patent: 5620157 (1997-04-01), Titzer
patent: 6135363 (2000-10-01), Titzer

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