US Patent 7871295 Coaxial connector having improved central pin

A coaxial connector (100) includes a bracket (10) defining a cavity (15), a central pin (30) received in the cavity and an insulative member (20). The central pin includes a contact portion (31), a mounting portion (32), and a fixing portion (33) disposed between the contact portion and the mounting portion. The fixing portion has at least an engaging face (331) extending along a direction angled to a rotating direction of the central pin. The insulative member is mounted around the fixing portion of the central pin and disposed between the bracket and the central pin. The insulative member includes a working face (211) engaging with the engaging face of the central pin.