Sucking and filtering vehicle for dust and trash collecting

  • US 5,943,733 A
  • Filed: 04/01/1996
  • Issued: 08/31/1999
  • Est. Priority Date: 03/31/1995
  • Status: Expired due to Fees
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First Claim
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1. A sucking and filtering vehicle for gathering dust and trash, comprising;

  • wheels (3) for contact with the ground (19);

    driving and steering means (4) for running the vehicle (1);

    means for collecting (5b) and transporting (5a) the dust and trash including at least one tank (6) and a suction device (7) adapted to form an air stream under suction passing through said tank (6);

    at least one filter (10) placed in said air stream under suction and adapted to clean the air stream;

    a chamber (13) external to said tank (6) and in communication therewith and adapted to house therein an upper main portion of said filter (10), said chamber (13) having walls (13a) at least partially spaced apart from said filter (10) and defining free gaps (17) around said filter (10), and said suction device (7) communicating with said gaps (17) and causing the air stream to pass through said filter (10);

    said tank (6) including a bed (6a) close to the ground (19);

    said chamber (13) being at a raised position with respect to said bed (6a);

    and further comprising;

    shaker members (12) active on said filter (10), said shaker members (12) being adapted to drop dust built up on said filter (10) into said bed (6a);

    and whereina lower portion of said filter (10) extends from said chamber (13) partly into said tank (6), andsaid shaker members (12) are disposed in said tank (6).

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