Patent ID: 9394936
Filing Date: 2016-07-19
CPC Classification: B25J,F16C,Y10T

Claim Text:
1. A ball joint, comprising: a ball member; a socket member coupled with the ball member; and a resilient pressing mechanism positioned between the ball member and the socket member, wherein the resilient pressing mechanism applies compression to tightly mate the ball member to the socket member; the resilient pressing mechanism comprises four springs positioned in parallel between the ball member and the socket member, and the four springs are positioned equidistantly circumferentially; wherein the ball member comprises a head and a first flange connected to the head; the socket member comprises a socket coupled with the head, and a second flange connected to the socket the head is received in the socket, and the first flange is positioned opposite to the second flange; the second flange forms an oblique connecting surface on a side away from the socket, and the oblique connecting surface is oblique to the first flange.