Patent ID: 7758375

Claim:
A balanced transmission cable connector, comprising: a balanced transmission cable including a plurality of pair electric wires, each of the pair electric wires including a first signal wire, a second signal wire, and a drain wire; a contact assembly body having an insulative block body where first and second signal contacts and a ground contact are alternately arranged in a row direction, the first and second signal contacts facing each other in a line direction, the block body having a rear surface side at which first and second signal wire connecting parts being parts of the first and second signal contacts and a drain wire connecting part and a plate-shaped part being a part of the ground contact are exposed; an insulative spacer provided at the rear surface side of the block body, and including a first groove part where the first signal wire connecting part is provided, a second groove part where the second signal wire connecting part is provided, and a slit where the plate-shaped part is provided, wherein the first signal wire connecting part and the second signal wire connecting part include side plate parts facing side surfaces of the first groove part and the second groove part, respectively, with separation; the first signal wire and the second signal wire are arranged and positioned between the side plate parts of the first signal wire connecting part and the second signal wire connecting part, and the side surfaces of the first groove part and the second groove part, respectively; the drain wire connecting part includes a side plate part facing a side surface of the slit with separation; and the drain wire is directly sandwiched by the side plate part of the drain wire connecting part and the side surface of the slit.