US Patent 11069996 Contact pin for plug connector having retaining elements

A contact pin for a plug connector includes a base body having a longitudinal axis and a surface, a first end adapted to be plugged into an opening of a pin strip of the plug connector, and at least four retaining elements molded on the base body. A first pair of retaining elements are arranged successively spaced apart along the longitudinal axis and a second pair of retaining elements are arranged oppositely at a same point along the longitudinal axis in a circumferential direction. The first pair of retaining elements are arranged in the circumferential direction at a first angle offset from one another. The first angle is smaller than 90°.