Mounting arrangement for a suction nipple on a vacuum cleaner

Claim 1

A mounting arrangement of a suction nipple on a vacuum cleaner comprising: a vacuum cleaner housing having an opening therein, said opening being defined by an elongated projection having a first and a second end; a suction nipple having an elongated portion extending through said elongated projection, the arrangement comprising means for supporting said elongated portion in said opening, including a first bearing surface on said elongated portion arranged in contact with said first end of said elongated projection and a second bearing surface on said elongated portion arranged in contact with said second end of said elongated projection, said first bearing surface being vertically spaced from said second bearing surface and said elongated portion and said elongated projection having reduced diameters between said bearing surfaces to form a clearance between said elongated portion and said elongated projection; means adjacent said first bearing surface to limit penetration of said nipple into said opening; and an elastic annular sealing ring means clipped on the end of said elongated portion adjacent said second bearing surface; said elongated projection having groove means in the end adjacent said second bearing surface, said groove means being normal to said second bearing surface, said sealing ring means partially extended into said groove means to thereby hold said elongated portion in said elongated projection and form a seal between said elongated projection and said elongated portion and simultaneously permit a slight turnable movement between said elongated projection and said elongated portion.