Patent ID: 9428008
Filing Date: 2016-08-30
CPC Classification: B60B,F16B,Y10T

Claim Text:
1. A socket for coupling an end piece to a leg member, wherein said socket is insertable into an opening in the leg member and the socket has an opening therein for receiving a stem of the end piece, the socket comprising: a tubular body having upper and lower ends, wherein the lower end comprises the opening for receiving the stem of the end piece and the upper end is insertable into the leg member, wherein the tubular body comprises a thermoplastic material; and a washer attached to the upper end of the socket, the washer having at least a substantially planar inner portion, wherein the washer comprises high carbon steel; wherein when the socket is inserted into the leg member, the washer has an interference fit with the inner diameter of the leg member; and wherein the washer is riveted to the upper end of the socket.