Street sweeper with elevator conveyer adjustable in height with

Details Street sweeper with elevator conveyer adjustable in height with Street sweeper with elevator conveyer adjustable in height with

1984-11-30

1985-10-29

Roberts, Edward L.

Brushing, scrubbing, and general cleaning

Machines

Brushing

280718, E01G 102

Patent

active

045493260

ABSTRACT:
A street sweeper comprising a frame adapted for travel over the ground and having at least two transversely spaced wheels, a spring suspension means mounted between each wheel and the frame, a rubbish receptacle mounted on the frame, an elevating conveyor fixed to the frame and having a lower end situated in the region of the two wheels, therebetween, and an upper end situated above the receptacle, and an elongated pick-up rotary brush extending transversally adjacent to the lower end of the elevating conveyor for sweeping the rubbishes on the ground and projecting them into transporting elements of the elevating conveyor, an actuating means associated to each spring suspension means and connected on the one hand to the frame and on the other to a spring of the corresponding spring suspension means, and which, in a first position, compresses the spring to its maximum static load and, in a second position, leaves the spring free of strain, said elevating conveyor being fixed to the frame in a position such that, when the actuating means is in its first position, the lower end of the elevating conveyor is at a predetermined level above the ground, which is smaller than the level thereof when said actuating means is in its second position.

REFERENCES:
patent: 4171551 (1979-10-01), Hildebrand et al.

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