Industrial vacuum cleaning apparatus
First Claim
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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Accused Products
Abstract
A vacuum cleaner comprising a dust receiving container having an aperture for connecting a suction hose and an opening at the top for releasably supporting a motor-fan unit. A frame surrounding the container is provided with a vertically sliding structure for raising the motor-fan unit above the container at a distance sufficient to allow the container to be withdrawn sideways below the motor-fan unit. The motor-fan unit includes a dust filter, which when raised above the container, can be cleaned while allowing the dust to fall in the container.
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Citations
6 Claims
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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, and means 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.
Specification