Patent ID: 8408815

Claim:
An optical fiber adapter configured for receiving an optical fiber connector, the optical fiber connector having a front end and defining a longitudinal dimension extending from the front end and an exterior surface comprising at least one longitudinal slot therein, the optical fiber adapter comprising: a housing having an axial cavity, the axial cavity having an opening and a longitudinal dimension extending from the opening, and the housing comprising: a first side-wall, a second side-wall, a third side-wall and a fourth side-wall, with the third side-wall being opposite to the first side-wall and connecting the second and fourth side-walls, each of the first, second, third and fourth side-walls having an internal face defining at least a portion of the axial cavity; a hollow cylinder axially positioned in the axial cavity; at least one protrusion positioned on the third side-wall in the axial cavity spaced away from the internal face of each of the second side-wall and the fourth side-wall, and extending longitudinally, the at least one protrusion being located away from the opening of the axial cavity, and the at least one protrusion is configured for mating with and being inserted into a corresponding longitudinal slot of the optical fiber connector when the optical fiber connector is inserted into the optical fiber adapter.