Patent ID: 7524117

Claim:
An optical connector comprising: a ferrule including a flange having a largest width portion having directionality in a circumferential direction and a conical portion continuous to the front of the largest width portion; and a housing including a cavity having a cylindrical portion through which the largest width portion can pass freely, a housing unit arranged in front of the cylindrical portion for housing the largest width portion, and an inclined surface that is arranged at a junction between the cylindrical portion and the housing unit and inclines inward in the radial direction from the cylindrical portion toward the housing unit, wherein the point of the ferrule is protruded from the point of the housing by a predetermined amount and held, in the state that the ferrule is inserted into the housing from a rear end of the cylindrical portion and the largest width portion of the flange is housed in the housing unit, and wherein the largest width portion of the flange is formed in a polygonal shape in cross section, and the housing unit of the housing is formed in a polygonal shape corresponding to the largest width portion.