Patent ID: 8820797
Filing Date: 2014-09-02
Classification: E21B,F16L,Y10T

Abstract:
1. A hose coupling, comprising: a stem having a radially inwardly directed groove, the groove being of a first width dimension; and a ferrule attached to the stem and including a radially inwardly directed interlocking wedge proximate a first end of the ferrule, the wedge including a second width dimension prior to being staked to the stem, the second width dimension being greater than the first width dimension, wherein the ferrule further includes a radially inwardly directed stem contact surface spaced from the interlocking wedge by a radially outwardly directed recess, the radially outwardly extending recess serving as a fulcrum and pivoting the wedge relative to the stem contact surface when the ferrule is staked to the stem such that a surface of the recess is no longer parallel to the stem contact surface.