Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1975-12-04
1977-03-29
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
Brushing
A47L 2322
Patent
active
040140601
ABSTRACT:
A support structure is provided for recessing below the upper surface of a floor or walk and an elongated horizontal grill is mounted from the support structure and includes a plurality of elongated horizontally laterally spaced apart grill members spaced longitudinally along and extending transversely of the grill. The grill members are free of interconnecting structure throughout substantial portions of their length aligned longitudinally of the grill and a pair of parallel rollers are journaled from the support structure and spaced beneath the grill with the rollers extending longitudinally of the grill and transversely of the grill members. A wide endless flexible belt is trained about the rollers and includes outwardly projecting bristles projectable upwardly through the generally vertical slots defined between adjacent grill members. A motor is supported from the support structure and drivingly connected to one of the rollers whereby the belt may be orbited about the rollers. One marginal portion of the grill is supported from the support structure for vertical shifting relative thereto and the motor includes an actuating control responsive to weight, in addition to the weight of the grill, urging the aforementioned one marginal edge portion of the grill downwardly. Further, one end of the grill is bridged by an inverted U-shaped handle and a cover panel is hingedly supported from the same end of the grill and is swingable between an operative position overlying the grill and a raised inoperative position received between the legs of the inverted U-shaped handle.
REFERENCES:
patent: 823972 (1906-06-01), Richardson
patent: 1359193 (1920-11-01), Parker
patent: 3048867 (1962-08-01), Counts
patent: 3228052 (1966-01-01), Kuz
Jacobson Harvey B.
Moore Christopher K.
O#Brien Clarence A.
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