Patent ID: 8162355

Claim:
A connector for connecting a male portion and a female tubular portion, wherein the male portion includes a first exterior projection that extends into the female portion having a second exterior projection, wherein the connector comprises: a first and second reaction surface, wherein the first reaction surface is positioned adjacent a surface of the first projection, wherein the second reaction surface is positioned adjacent a surface of the second exterior projection, wherein a portion of a cross-section of the connector taken in a plane lying on an axis formed by the longitudinal axis of the connector includes a contiguous element that substantially wraps around the second exterior projection, wherein the contiguous element lying on the plane forms a channel between which a wall of the female portion passes, a distance between two closest points on either side of the channel being smaller than a diameter of a portion of a cross-section of the second exterior projection, wherein the distance and the diameter are measured on the plane and are measured parallel to one another, and wherein an end of the inner collar is substantially parallel to and overlaps an end of the outer collar.