Mechanical street sweeper

Details Mechanical street sweeper Mechanical street sweeper

1989-06-30

1991-10-08

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

280716, E01H 104

Patent

active

050541528

ABSTRACT:
A self-propelled mechanical street sweeper comprising a production truck cab and chassis, the frame beams of which have been modified by removing rear portions thereof extending behind the rear axle. The sweeper comprises side brushes, a pick-up brush and a conveyor. The conveyor is mounted forwardly of the pick-up brush adjacent the rear axle of the chassis, and has a uniform width throughout its length, which width is substantially the same as the width of the pick-up brush. The street sweeper of the present invention also comprises a rear suspension mounted above and forwardly but not rearwardly of the rear axle, comprising a rubber pad mounted between the frame beams and the rear axle for biasing the rear axle away from the chassis, and a connecting arm pivotally mounted to the frame beams at a location forwardly of the rear axle for connecting the rear axle to the frame beams.

REFERENCES:
patent: 3051468 (1962-08-01), Lenet
patent: 3305230 (1967-02-01), Musser
patent: 3966223 (1976-06-01), Carr
patent: 4171551 (1979-10-01), Hildebrand
patent: 4236756 (1980-12-01), Hildebrand et al.
patent: 4310171 (1982-01-01), Merkle
patent: 4580798 (1986-04-01), Roelofs
patent: 4580809 (1986-04-01), Leaf
patent: 4608725 (1986-09-01), Jackson
patent: 4643447 (1987-02-01), Rogers

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