Patent ID: 7367594
Filing Date: 2008-05-06
Classification: F16L

Abstract:
1. A hose coupling device comprising a fitting member having an internal channel, a first multi-threaded portion including a plurality of ridges extending along a plurality of distinct helices, and a tube portion configured for insertion into an end of a hose, and a collar member having a second multi-threaded portion that complements the first multi-threaded portion for engaging the fitting member to the collar member and creating a sealed conduit connection between a hose and the internal channel of the fitting member, the first multi-threaded portion being formed on an external side of the fitting member, and the second multi-threaded portion is formed on an internal side of the collar member, wherein the collar member has a third multi-threaded portion that advances the hose along the tube portion when the collar member engages the fitting member, the third multi-threaded portion including buttress threads, wherein the first and second multi-threaded portions are configured such that the fitting member and the collar member can be completely engaged by turning the collar member less than about one revolution relative to the fitting member.