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US 4,220,170 AGranted
Apparatus for cleaning large tank interiors
OwnerChris J. Hebert, Ralph T. Hollister +1inventors
InventorsChris J. Hebert, Ralph T. Hollister, C. Downing Sweat, Jr.
Life of this patent
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Abstract
An apparatus for cleaning large tank interiors and other similar areas having a telescoping boom assembly attached to a base assembly with a positionable water nozzle assembly attached to one end of the boom assembly wherein the base member positioned in the tank interior is provided with a cage area housing the necessary control equipment and human operator.
Claims9
An apparatus for cleaning large tank interiors comprising:
- (a) a boom housing unit connectable to a support means for rigidly fixing said boom housing unit in a position in said interior, said boom housing unit having a cage assembly containing controls for operating said apparatus, said cage assembly being rollingly supported on parallel, separated channel iron beams attached to said boom housing unit whereby said cage assembly can extend beyond said boom housing unit;
- (b) a rotatable telescoping boom assembly comprising:
- (i) a main boom extension shaped to be retractable into said boom housing unit by retracting means attached to said main boom extension and said boom housing unit, and
- (ii) a lower boom extension retractably attached to said main boom extension and pivotedly mounted in an extended position to said main boom extension;
- and
- (c) a nozzle assembly rotatably attached to said lower boom extension, said nozzle assembly comprising a nozzle manifold having nozzles attached thereto, means to connect nozzles to a water source and drive means attached to said nozzle assembly for rotating said nozzle manifold.
3 more elements
Dependencies are inferred from the claim text.