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Industrial vacuum cleaning apparatus

  • US 5,089,037 A
  • Filed: 05/28/1991
  • Issued: 02/18/1992
  • Est. Priority Date: 05/28/1991
  • Status: Expired due to Fees
First Claim
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1. A vacuum cleaning device comprising,a wheeled cart having a platform,a dust receiving container opened at its upper end and provided with an aperture for connecting a suction hose, said container being freely mounted on said platform,a motor-fan unit mounted over said upper end of said container and removably fixed thereon, said unit adapted to create a suction in said container, said unit comprising a dust filtering cover adapted to retain the dust entering from said suction hose,an upstanding frame fixed to said platform and laterally disposed relative to said container, said frame comprising four upstanding guiding sleeve members peripherally disposed around said container and fixed to said platform,a structure fixed to said frame for supporting said motor-fan unit, said structure having a set of four vertical beams slidingly mounted relative to said guiding sleeve members, and a set of horizontal beams connecting said vertical beams for supporting said motor-fan unit at a level suitable for sealingly lock said cover on said container, andmeans slidingly mounted on said structure for raising said motor-fan unit above said upper end of said container at a distance sufficient to clear the container, said container being adapted to slide on said platform adjacent said frame.

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