Patent ID: 8047725

Claim:
An optical connector adapter for use in connecting a first and a second optical connector plug to each other, comprising: a first adapter half; and a second adapter half which is butted against the first adapter half in a predetermined direction, wherein the first and second adapter halves have engaging means for maintaining the first and second adapter halves in a butted state thereof in the predetermined direction, wherein the engaging means is configured to be disposed inside the optical connector adapter and to be prevented from releasing engagement thereof by at least one of the first and second optical connector plugs, wherein the first adapter half comprises a body portion defining a first fitting hole for receiving the first optical connector plug and a tubular portion projecting from the body portion in the predetermined direction, wherein the tubular portion defines a second fitting hole for receiving the second optical connector plug, wherein the second adapter half defines a mounting hole receiving the tubular portion, and wherein the engaging means comprises a first engaging portion formed on an outer surface of the tubular portion and a second engaging portion formed on an inner surface of the mounting hole and engaged with the first engaging portion in the predetermined direction.