Cleaning tool with demand-responsive air port

Details Cleaning tool with demand-responsive air port Cleaning tool with demand-responsive air port

1989-06-12

1990-12-11

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15419, A47L 700

Patent

active

049760050

ABSTRACT:
A cleaning tool for a fluid vacuum type of cleaning machine having a demand-responsive air port for an automatic determination of air as required by the degree of suction exerted at the perimeter of the cleaning head to the end that there is an adequate stream of air entrained into the cleaning tool such that the cleaning fluid therein is effectively dispersed for engagement with the surface or surface covering material to be cleaned and for the avoidance of over or under powering the suction of the lower perimeter of the tool when engaged with various surfaces and surface coverings.

REFERENCES:
patent: 3958298 (1976-05-01), Cannan
patent: 4488330 (1984-12-01), Grave
patent: 4584736 (1986-04-01), Gremminger
patent: 4649594 (1987-03-01), Grave
patent: 4654925 (1987-04-01), Grave

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