Self-return mechanism for car wash hose boom swivel assembly

Details Self-return mechanism for car wash hose boom swivel assembly Self-return mechanism for car wash hose boom swivel assembly

1982-09-29

1984-06-26

Love, John J.

Fluid sprinkling, spraying, and diffusing

With fixed support for or ground installed supply means

Building features

239282, 74567, B05B 1506

Patent

active

044561776

ABSTRACT:
A self-return mechanism for a car wash hose boom swivel assembly includes a cam and a cam follower assembly which counteracts a force caused by the drooping of a flexible hose that extends from an end of a hose boom arm to a spray wand positioned in a wand holder that is attached to a side wall of a car wash bay near an open end thereof. The self-return mechanism returns the hose boom arm to a position such that the drooping portion of the hose is held out of the path of a vehicle as it moves into the bay. If the hose boom arm is within a predetermined 90.degree. arc, the cam follower mechanism produces a self-returning force on the hose boom swivel assembly, but if the hose boom arm is outside of the 90.degree. arc, the swivel assembly rotates without being subjected to any such self-returning force.

REFERENCES:
patent: 1167479 (1916-01-01), Collison
patent: 1393987 (1921-10-01), Wampler
patent: 2082654 (1936-02-01), Reader
patent: 4131132 (1978-12-01), Zierden

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