Patent ID: 9476527
Filing Date: 2016-10-25
CPC Classification: E02F,F16L

Claim Text:
1. A hydraulic fluid line coupling system, comprising; a female fitting comprising: a cylindrical inner wall, a shoulder, a hexagonally shaped flange, a cylindrical extension extending from the hexagonally shaped flange, and a plurality of angled grooves in the cylindrical extension, each angled groove including a longitudinal leg and a lateral leg; a male fitting received in the female fitting, the male fitting comprising: a radially outwardly directed rib having a plurality of circumferentially spaced gaps, a radial groove, and an axial groove; a first elastomeric seal received in the radial groove of the male fitting and positioned between the female fitting and the male fitting, the first elastomeric seal engaging the cylindrical inner wall of the female fitting; a second elastomeric seal received in the axial groove of the male fitting and positioned between the female fitting and the male fitting, the second elastomeric seal engaging the shoulder of the female fitting; and a twist nut securing the female fitting to the male fitting, the twist nut including a hexagonally shaped outer surface and a plurality of radially inwardly directed tabs, wherein the plurality of radially inwardly directed tabs on the twist nut are sized so as to be slidable through the gaps in the male fitting rib and plurality of angled grooves in the female fitting.