Importance

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Abstract

A preferred embodiment of the hose coupling includes an exterior, annular rib on the tubular inlet member to which the hose is to be connected. A resilient boot fixed to the end of the hose has a skirt that extends beyond the end of the hose and is adapted to receive and circumscribe the ribbed end of the inlet member. The skirt and ribbed end of the member are so dimensioned that in order to receive the member, the skirt must be stretched radially outwardly by the rib as the skirt is forced onto the inlet member. When the skirt is fully seated upon the inlet member, the rib becomes received within an annular groove inside the skirt and the skirt relaxes to its original dimension. A lock ring circumscribing the boot may be shifted from an unlocked position inboard of the groove to a locked position outboard of the groove, wherein the ring prevents expansion of the skirt to thereby effectively lock the rib within the retaining groove.

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First Claim