Patent ID: 9121535
Filing Date: 2015-09-01
Classification: F16L

Abstract:
1. A coupling unit, comprising: a casing having an inner diameter surface with a ring groove formed therein; a detent ring having a plurality of support segments received in the ring groove of the casing, and the detent ring further having a plurality of detent segments extending radially inward from the support segments; and a tubular section having an outer diameter surface and an annular recess extending about a circumference of the outer diameter surface, and the tubular section further includes a plurality of reset contours that are disposed in the annular recess and circumferentially spaced apart from one another and a plurality of detent contours define a plurality of walls of the recess; wherein the tubular section is attached to the casing when the tubular section is disposed in a first relative rotational position with respect to the casing and inserted axially into the casing, such that the detent segments of the detent ring are configured to be received between the detent contours of the tubular section; wherein the support segments of the detent ring define a plurality of recesses therebetween, and the casing has a plurality of projections that are received in the recesses when the detent ring is received in the ring groove of the casing.