Brushing – scrubbing – and general cleaning – Machines – Brushing
Patent
1999-02-22
2000-12-05
Till, Terrence R.
Brushing, scrubbing, and general cleaning
Machines
Brushing
15 83, 414501, E01H 104
Patent
active
061549118
ABSTRACT:
A debris lifting apparatus for use in a surface sweeping vehicle comprises an isolated debris lifting receptacle mounted on the surface sweeping vehicle for arrested positioning in a lower debris receiving position, whereat the debris lifting receptacle is disposed to receive and retain the debris propelled forwardly by a rotating sweeping broom, and for positioning in a raised debris dumping position, whereat the debris lifting receptacle is disposed to dump the debris into a hopper. A drive mechanism mounted on the surface sweeping vehicle drives the debris lifting receptacle to effect movement of the debris lifting receptacle between the lower debris receiving position and the raised debris dumping position. A dumping mechanism mounted on the surface sweeping vehicle effects dumping of the debris from the debris lifting receptacle into the hopper when the debris lifting receptacle is in the raised debris dumping position. A method of lifting debris into the hopper of a surface sweeping vehicle comprises the steps of arrestedly positioning an isolated debris lifting receptacle in a lower debris receiving position; propelling debris via a rotating sweeping broom; receiving the forwardly propelled debris in the debris lifting receptacle; transferring the debris lifting receptacle to a raised debris dumping position, while the rotating sweeping broom is propelling the debris forwardly; dumping debris from the debris lifting receptacle into the hopper; and returning the debris lifting receptacle to the lower debris receiving position; and, repeating the above steps during the operation of the surface sweeping vehicle.
REFERENCES:
patent: Re6153 (1874-11-01), Smith
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patent: 436520 (1890-09-01), Fisher
patent: 491278 (1893-02-01), Bertram
patent: 537278 (1895-04-01), Doherty
patent: 730502 (1903-06-01), Whittemore
patent: 810547 (1906-01-01), Menzies
patent: 1100808 (1914-06-01), Wilson
patent: 2911737 (1959-11-01), Von Arx
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