Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1998-01-29
1999-12-07
Till, Terrence R.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15347, 406 39, A47L 512
Patent
active
059961716
ABSTRACT:
A vacuum truck system (10) includes a truck portion (12) and a removable hopper (14). The truck portion includes thereon a vacuum source (20) as well as filter units (22, 24) and separator units (26, 28). The interior of the hopper is in connection with the vacuum source, and material is enabled to be drawn into the interior of the hopper for collection therein. The hopper is mounted on a tilt bed portion (74) of the truck. Extending a pair of arms (82) enables the tilt bed portion and the hopper thereon to be tilted so that the contents of the hopper may be discharged through an opening which is selectively opened by a door (54). Alternatively, the hopper (14) may be rolled off the tilt bed portion, and a new hopper installed thereon. The tilting of the tilt bed portion automatically connects and disconnects the hopper from the vacuum source. In addition, the vacuum truck system further includes a system for cleaning of material captured in the filters and separators for depositing such material in the hopper (14).
REFERENCES:
patent: 4193159 (1980-03-01), Beard
patent: 4227893 (1980-10-01), Shaddock
patent: 5010620 (1991-04-01), Young
patent: 5030259 (1991-07-01), Bryant et al.
patent: 5062868 (1991-11-01), Kennedy
patent: 5218737 (1993-06-01), Dansby et al.
Jocke Ralph E.
Till Terrence R.
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