Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1975-09-25
1978-06-20
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15324, 15322, 15374, 15380, 15420, A47L 700
Patent
active
040953092
ABSTRACT:
Apparatus for cleaning a carpet using a cleaning fluid and a reciprocating head member that contacts the carpet. The cleaning fluid is applied to the carpet through a slot in the reciprocating head member. The head member further includes scrubbing means and vacuum means that are reciprocated with the cleaning fluid slot. The drive means for the reciprocating head member moves the head member back and forth along the same path at a rate of about 125 to about 585 cycles per minute. The slot for the cleaning fluid is fixedly spaced from the inlet to the vacuum means and the head member is reciprocated a distance greater than the spacing between the slot and the inlet to the vacuum means. The drive means in this embodiment is part of a body member whose mass is sufficiently greater than that of the head member so that when the drive means reciprocates the head member at a high rate, the distance moved by the head member is greater than the distance moved by the body member. In one embodiment, the body member is held off the carpet and only the head member is touching the carpet. In all of the embodiments, the high rate of reciprocation of the head member results in there being only a small frictional force between the carpet and the head member. In one embodiment, the scrubbing means on the head member includes V-shaped lands and grooves inclined to the direction of reciprocating motion. In another embodiment, the scrubbing means includes scallop-shaped recesses. The apparatus of this invention is self-propelling in a direction from the head member toward the body member. The head member is reciprocally moved by the drive means in a first direction away from the body member. As it moves in this first direction, the head member engages the carpet. Further movement of the head member away from the body member serves to accelerate the body member in a direction opposite to the first direction and propels the head and body members in the second direction.
REFERENCES:
patent: 1160031 (1915-11-01), Adams
patent: 1472208 (1923-10-01), Dawer
patent: 1791760 (1931-02-01), Kline
patent: 1953350 (1934-04-01), Kitto
patent: 1953616 (1934-04-01), Kitto
patent: 2731659 (1956-01-01), Coplen
patent: 3699607 (1972-10-01), Putt
John J. Sundheim Family Estate
Moore Christopher K.
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