Vacuum bag cleaning system

Claim 1

A vacuum bag cleaning system, comprising in combination: a substantially rigid receptacle member having a bottom wall and a top rim, a substantially horizontal top wall opposing said bottom wall removably and sealably secured to said top rim of said receptacle member, said top wall forming first and second apertures, an elongated member forming a cylindrical chamber vertically extending through said first aperture, said elongated member having upper and lower portions respectively extending above and below said top wall, said chamber having opposed top and bottom openings at said upper and lower portions respectively, said bottom opening being spaced from said bottom wall of said receptacle member, said top opening being defined by a circular top opening rim, said member being sealably connected to said top wall at the juncture of said upper and lower portions, said chamber having a substantially vertical axis, exhaust means cooperatively mounted at said second aperture and sealably secured to said top wall, said exhaust means being for drawing air from said compartment through said top opening of said chamber and exhausting said air into the atmosphere, and a bag member having a flexible cloth wall permeable to passage of air forming an elongated compartment having a length and having an open end and a closed end at opposed ends of said length, said open end being defined by a circular holding rim adapted to be removably and sealably placed around said top opening rim of said chamber in a mounted relationship, said cloth wall having normal inner and outer surfaces, said bag member being substantially circular in cross-section with a center substantially aligned with said vertical axis of said chamber, said bag member being movable in said mounted relationship to a plurality of selected positions in said chamber, wherein in each of said plurality of selected positions said flexible wall of said bag member forms a substantially horizontal toroidal ring around the circumferential portion of said bag member substantially centered on said vertical axis of said chamber, said toroidal ring having a toroidal wall portion disposed downwardly forming an upwardly disposed toroidal recess, whereby air being drawn into said top opening of by said chamber bag said exhaust means is concentratedly drawn through said toroidal wall portion at said plurality of selected positions.