Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1979-06-11
1982-01-19
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15327F, 15353, A47L 910
Patent
active
043109454
ABSTRACT:
Vacuum extraction recovery system assembly comprising a compartmentalized vacuum housing having a substantially air tight exterior wall, a vacuum creating mechanism in a first lateral portion of the housing interior, and a wall surface containing a constantly, directly and continuously freely open flow aperture therein and defining together with an adjacent portion of the exterior wall thereat an interior vacuum compartment in a second lateral portion of the housing interior which is laterally remotely spaced from the vacuum creating mechanism, such that the compartment is in constant, direct and continuous freely open flow communication with the remainder of the housing interior through such flow aperture and thereby constantly, directly and continuously maintained under vacuum condition corresponding to that in the remainder of the housing interior when a vacuum is created therein by the vacuum creating mechanism, for instance with the exterior wall having an access opening directly communicating with the compartment which is closed by a removable closure insert element, such as a recovery tank, for flow connection with an external vacuum hose and arranged for flow communicating the exterior with the flow aperture through the insert element, its outlet and the compartment for recovery in the assembly of vacuum extracted material entering through the inlet, and spacing structure in the housing for maintaining the outlet in raised open flow relation to the bottom flow portion of the housing interior.
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March Arthur A.
Moore Chris K.
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