Apparatus for sucking up dry or wet pollutants from the floor or ground
First Claim
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1. Movable apparatus for sucking up both dry and wet pollutants from the floor or ground, said apparatus comprising:
- a casing;
a mouthpiece in said casing, said mouthpiece being partially defined by a first plate on at least one side thereof, one edge of said first plate forming a first lip normally maintained at a predetermined distance above and substantially parallel to the ground;
means adapted for collecting the pollutants;
a suction channel leading from said mouthpiece to said collecting means;
means for creating the necessary vacuum in said suction channel;
a first guidance member mounted to said casing parallel with said first plate outside said mouthpiece; and
movable sealing means comprising at least one first roller normally loosely coupled to said casing for radial and rotational movement with respect thereto, said first roller being maintained generally parallel to and normally rolling along the ground with movement of said apparatus, said first roller being retained coupled to said casing outside said mouthpiece by means of said first guidance member;
whereby said first roller is slidingly held against said first plate at the side of said first lip away from said suction channel outside said mouthpiece by means of the vacuum created by said vacuum means, said first roller thereby effectively extending said mouthpiece from said first lip to the ground.
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Abstract
Vacuum apparatus for sucking up pollutants with a suction mouthpiece maintained at a given distance above the ground. The mouthpiece is partially defined at least on one side by rollers guided loosely on the apparatus and held in place during operation by the vacuum created in the apparatus. The rollers enable the apparatus to operate effectively over rough ground and to pick up relatively large pollutants.
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Citations
9 Claims
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1. Movable apparatus for sucking up both dry and wet pollutants from the floor or ground, said apparatus comprising:
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a casing; a mouthpiece in said casing, said mouthpiece being partially defined by a first plate on at least one side thereof, one edge of said first plate forming a first lip normally maintained at a predetermined distance above and substantially parallel to the ground; means adapted for collecting the pollutants; a suction channel leading from said mouthpiece to said collecting means; means for creating the necessary vacuum in said suction channel; a first guidance member mounted to said casing parallel with said first plate outside said mouthpiece; and movable sealing means comprising at least one first roller normally loosely coupled to said casing for radial and rotational movement with respect thereto, said first roller being maintained generally parallel to and normally rolling along the ground with movement of said apparatus, said first roller being retained coupled to said casing outside said mouthpiece by means of said first guidance member; whereby said first roller is slidingly held against said first plate at the side of said first lip away from said suction channel outside said mouthpiece by means of the vacuum created by said vacuum means, said first roller thereby effectively extending said mouthpiece from said first lip to the ground. - View Dependent Claims (2, 3, 4, 5)
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6. Movable apparatus for sucking up both dry and wet pollutants from the ground, said apparatus comprising:
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a casing; an elongated mouthpiece formed in said casing, said mouthpiece being partially defined at its forward side by a first plate, one edge of said first plate forming a first lip normally maintained at a predetermined distance above and substantially parallel to the ground; means adapted for collecting the pollutants; a suction channel leading from said mouthpiece to said collecting means; means creating the necessary vacuum in said suction channel; movable sealing means comprising a plurality of first rollers; and a first guidance member on the forward side of said apparatus forming a forward cage comprising; said first plate of said mouthpiece forming one side of said cage; a forward plate mounted to said casing and spaced from said first plate forming the other side of said cage; and means for retaining said first rollers normally loosely mounted for radial and rotational movement in end-to-end relationship within said forward cage outside said mouthpiece partially between said first and forward plates and extending partially below said first lip; said plurality of first rollers normally extending downward from said forward cage to the ground and being held slidingly against said first plate by means of the vacuum created by said vacuum means thereby effectively extending the forward side of said mouthpiece from said first lip to the ground. - View Dependent Claims (7, 8, 9)
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Specification