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Vehicle for cleaning pavements

  • US 3,939,528 A
  • Filed: 05/13/1974
  • Issued: 02/24/1976
  • Est. Priority Date: 07/21/1971
  • Status: Expired due to Term
First Claim
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1. 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 °

    relative to the longitudinal axis of the vehicle, andmeans 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.

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