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US 3,939,528 AGranted
Vehicle for cleaning pavements
OwnerIgal Mossinsohninventor
Life of this patent
Estimating the term…
Abstract
A vehicle for cleaning pavements or narrow places comprising a motorcycle, tri-cycle or four-wheel narrow vehicle having at least on one side at the front or rear thereof an elongated funnel through which dirt is drawn by means of a vacuum pump into a container on the vehicle. The funnel is retractable when the vehicle encounters an obstruction.
Claims4
A light, versatile vehicle for cleaning narrow passages, comprising:
- a. two wheels secured to the vehicle, which comprise the sole support for the vehicle, and which are arranged in tandem fashion, the forward wheel being steerable,
- b. at least one elongated rectangular funnel pivotably fastened to a side of the vehicle at the rear part thereof,
- c. a dust collecting container carried on the vehicle and removably connected to the rear part thereof behind said at least one funnel,
- d. a vacuum pump and a motor for operating the same, both mounted onto the vehicle,
- e. means associated with the pump for providing communication between the said at least one funnel and the container,
- f. means for deflecting the said at least one funnel up to an angle of 90 .degree. relative to the longitudinal axis of the vehicle, and
- means for retracting the said at least one funnel upon encountering an obstruction to lie adjacent the side of the vehicle.
- whereby the vehicle is capable of moving in sharp curves while cleaning sidewalks, narrow passages and insides of containers.
5 more elements
Dependencies are inferred from the claim text.