Patent ID: 6988835

Claim:
A fiber-optic transmitting and receiving device comprising a transmitting and receiving head and a metal board, the transmitting and receiving head being formed with a plurality of optic-transmitting legs, plural independent feet and a groove for insertion of the metal board, and the metal board being formed with at least a metal tip; wherein: the transmitting and receiving head is formed with a Π-shaped socket that is located correspondingly to the groove, the transmitting and receiving head is further formed with a recess, on both sides of the Π-shaped socket and in the recess is formed at least a projection; a cover made of non-conductive plastic is provided on its outer periphery with a plurality of bent arms to be engaged in the Π-shaped socket and the recess of the transmitting and receiving head, the respective bent arms are formed with a locking aperture for engaging the projection of the transmitting and receiving head, the cover fully covers the metal board of the transmitting and receiving head and is formed with a plurality of inserting holes for insertion of the optic-transmitting legs and the metal tip of the transmitting and receiving head.