Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1979-10-01
1981-06-30
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15322, 15419, A47L 700, A47L 1134
Patent
active
042754780
ABSTRACT:
An extractor head for cleaning soft surfaces such as a carpeted surface or upholstry, which includes a housing defining a slit-type throat and a pivotally movable rigid squeegee pivotally mounted within the housing and extending from the throat of the extractor head to which suction is adapted to be applied and which squeegee is adapted for swinging movement in slit-type throat into and out of engagement with opposite walls of the housing depending upon the direction of the movement of the extractor head across a soft surface for the purpose of dislodging dirt and debris in so moving and sweeping, cleaning and squeegeeing the surface to remove debris and water through suction.
REFERENCES:
patent: 3072951 (1963-01-01), Kelnhofer
patent: 3883301 (1975-05-01), Emrick et al.
Malloy John Cyril
Moore Christopher K.
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