Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1996-05-03
1998-02-10
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15 491, 15 82, 15 87, 15349, E01H 108
Patent
active
057155674
ABSTRACT:
A vehicle for dust and trash collecting comprises: wheels, a framework supported by said wheels, a storage tank (8) for dust and trash, at least one rotating brush (10), means (6) for setting said wheels in motion, and control means (7) comprising a fluid-operated work circuit (26), at least one peripheral motor (33) fed from the work circuit (26) and engaging the rotating brush (10), at least one fluid-operated cylinder (39) fed from the work circuit (26) and adapted to shift the rotating brush (10) towards a surface (11) to be swept, and elastically deformable members (42) active against the action of said work circuit (26) in the fluid-operated cylinder (39) and adapted to lift up the rotating brush (10) in the absence of pressure in the fluid-operated cylinder (39) itself, the work circuit (26) having a single control element (29) for actuation of the peripheral motor (33) and the fluid-operated cylinder (39).
REFERENCES:
patent: 3186015 (1965-06-01), Beyerstedt
patent: 3242521 (1966-03-01), Young
patent: 3790981 (1974-02-01), Young
patent: 3886624 (1975-06-01), Landesman et al.
patent: 4125915 (1978-11-01), Zamboni
patent: 4138756 (1979-02-01), Krier et al.
patent: 4951347 (1990-08-01), Star et al.
patent: 5564147 (1996-10-01), Young
Duvelo International S.P.A.
Moore Chris K.
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