Cleaning and liquid contact with solids – Apparatus – Operating or controlling device engaged and moved by work or...
Patent
1976-02-24
1978-08-15
Hornsby, Harvey C.
Cleaning and liquid contact with solids
Apparatus
Operating or controlling device engaged and moved by work or...
134167R, 134 52, 134 57R, 134123, 239165, 239187, B08B 304, B60S 300, B08B 900
Patent
active
041065166
ABSTRACT:
A truck trailer interior washing system with a washing head mounted on an extendable and retractable boom horizontally mounted for automated washing cycle extension into and back out of the trailer interior. A truck body or trailer is backed into exact position, centered and aligned with the boom, with the use of guide rails and a centering plate structure automatically moving trailer wheels laterally in a centering action as required. When the system is activated, a pump is started to deliver hot detergent solution to the nozzled cleaning head from wash fluid back-up tanks and heaters as the extension boom is moved into the trailer at a predetermined rate (50' per minute, for example). A feeler bar and microswitch system senses when the inside nose of the trailer is reached and acts to stop the boom in the extended position for a short interval of time during which the pump and feed mechanism clears itself of detergent solution with microswitch activated clear hot water flush to the nozzles. Then the retraction system is activated for slow withdrawal of the washing head from the trailer with the hot water rinse continuing during withdrawal. A disinfectant cycle is also provided with the boom and wash head in an additional extension and retraction cycle with disinfectant solution being pumped to the wash head.
REFERENCES:
patent: 1835132 (1931-12-01), Anania
patent: 2510636 (1950-06-01), Johnson
patent: 3534746 (1970-10-01), Posner
patent: 3689318 (1972-09-01), Phillips
patent: 3830430 (1974-08-01), Hartunian
patent: 3897263 (1975-07-01), Davis
patent: 3961983 (1976-06-01), Crandall
Hornsby Harvey C.
Kintzinger Warren H.
Pous Robert
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