Patent ID: 7503588

Claim:
A nipple comprising: a cylindrical body having an exterior surface, first and second ends and a longitudinal bore there through, said bore defined by an interior surface; said first end having a helical thread on said exterior surface; said second end having an outwardly extending enlargement spaced slightly inwardly from an outer edge of said second end, said outer edge having an uninterrupted, planar, continuous annular surface and defining a first diameter, and said enlargement being configured to receive a hose thereover; and said bore configured at said second end with an entrance chamber of comparatively larger diameter and an internal hexagonal drive configuration of comparatively narrower diameter, said entrance chamber extending inwardly from said outer edge of said second end to said internal drive configuration, said entrance chamber having a portion including a second diameter that is greater than said first diameter, said portion being circumferentially surrounded by said enlargement, said drive configuration being a shape in said interior surface for receiving and engaging a tool therein for axially rotating said nipple, said drive configuration disposed inwardly from said entrance chamber relative to said second end, said drive configuration having an entrance end adjacent said entrance chamber and extending within said bore toward said first end and terminating at a shoulder which is spaced away from said entrance end and farther within said bore against which the tool for rotating said nipple can rest, said shoulder located closer to said second end than said first end.