Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1991-12-27
1993-11-09
Simone, Timothy F.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15347, 15352, 153272, 55305, 55304, A47L 920
Patent
active
052590879
ABSTRACT:
A vacuum consisting of a canister housing that is open across its top end and is arranged to be covered by a removable lid, which lid mounts a vacuum source. The canister housing includes a hose port for connection to a hose that mounts a nozzle on the end thereof, which hose and nozzle are preferable formed of a fireproof or flame retardant materials that will not be damaged by a passage of warm, hot and even burning coals therethrough. Which canister housing can be mounted on wheels, casters, or the like. A double filter system of the present invention is arranged within the canister housing, attached to the lid undersurface, to extend across the vacuum source inlet, which filter system consists of an inner or secondary filter for closely fitting across the vacuum source inlet, and is primarily a dust filter, with an outer or primary filter mounted to the lid, over the inner or secondary filter, with an open box frame arranged therebetween. Which open box frame includes a rod extending therefrom and out from the lid that is for shaking by an operator for dislodging by contact with collected materials off from the inner or secondary filter surface and from the outer or primary filter, which outer or primary filter is formed as a bag, preferably from a resistant or retardant proof material.
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Loveless Colleen G.
Loveless Michael L.
Graham Gary K.
Russell M. Reid
Simone Timothy F.
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