Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1981-03-12
1982-11-02
Roberts, Edward L.
Brushing, scrubbing, and general cleaning
Machines
Brushing
91229, 91338, 91341R, 128 56, A47K 704
Patent
active
043565832
ABSTRACT:
A liquid-operated reciprocating prime mover assembly includes upper and lower reservoirs formed of interlocking cylinders enabling relative expansion and contraction of the interior volumes thereof, and a shuttle valve disposed intermediately and connectingly between the upper and lower reservoirs for receiving a stream of operating liquid and directing the same alternatingly between the reservoirs. As the liquid is directed to each reservoir that reservoir is caused to expand, carrying the shuttle valve in a first direction along a rectilinear path, while when fed to the other reservoir the liquid causes the valve to be correspondingly carried in the opposite direction along the path. A body washing apparatus incorporating the prime mover assembly further includes an operatively rotatable brush assembly carried along the rectilinear path and supporting a brush rotatable as the shuttle valve traverses the path for cleansing contact with a user's body.
REFERENCES:
patent: 1082635 (1913-12-01), Irwin
patent: 1254644 (1918-01-01), Allen
patent: 3768462 (1973-10-01), Boulard
Grundler Helmut K.
Wallasch Lutz
Bierman Jordan B.
Bierman Linda G.
Roberts Edward L.
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