Electrical apparatus for cleaning surfaces by suction in dwellin

Details Electrical apparatus for cleaning surfaces by suction in dwellin Electrical apparatus for cleaning surfaces by suction in dwellin

1994-07-13

1996-03-12

Scherbel, David

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

153403, 15412, 180 71, A47L 928

Patent

active

054975298

ABSTRACT:
The described apparatus comprises a suction unit (2) detachably mounted on a support platform (12) provided with four wheels (37) to be operated independently by corresponding movement motors (36). The movement motors (36) are governed by an electronic control unit (35), driven by a receive unit (33) based on radio pulses (32a) transmitted by a transmit unit (32) operable manually by an operator. The suction unit (2) can be disengaged from the support platform (12) and associated with an auxiliary handgrip (53) for manual use.

REFERENCES:
patent: 3746112 (1973-07-01), Ilon
patent: 3753265 (1973-08-01), Wulc
patent: 4306329 (1981-12-01), Yokoi
patent: 4369543 (1983-01-01), Chen et al.
patent: 4513469 (1985-04-01), Godfrey et al.
patent: 4744781 (1988-05-01), Ostendorff et al.
patent: 5109566 (1992-05-01), Kobayashi et al.
patent: 5341540 (1994-08-01), Soupert et al.

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