Patent ID: 8936400
Filing Date: 2015-01-20
Classification: G02B

Abstract:
1. An optical connector adapter with shutter having top/bottom walls and both sidewalls and an insertion hole surrounded by the top/bottom walls and both side walls, cutting through in the front-back direction to allow optical connector plug to be attachably and detachably inserted, a sleeve installed in a center portion of the insertion hole to support a ferrule of the optical connector plug, and a shutter member capable of opening/closing an end of the insertion hole, wherein the shutter member includes a base plate, both side plates extending upward from both side edges of the base plate, a connecting plate positioned between the both side plates and extending upward from a front edge of the base plate, and an elastically deformable shutter plate connected to the connecting plate at the end of the insertion hole and curved with a predetermined curvature radius, and the base plate of the shutter member is fitted into a bottom recess formed on an external surface of a bottom wall of the adapter, the both side plates of the shutter member is fitted into both side recesses formed on the external surface of the both sidewalls of the adapter, and the shutter plate of the shutter member is positioned at the end of the insertion hole, and the shutter plate closes the end the insertion hole, extending upward from the connecting plate, when the optical connector plug is not inserted into the insertion hole, and the shutter plate opens the end of the insertion hole, falling toward the center portion of the insertion hole by being pressed by the optical connector plug, when the optical connector plug is inserted into the insertion hole, the connecting plate of the shutter member is fitted into an end face recess formed on a bottom wall end face of the adapter, the base plate of the shutter member is in close contact with a bottom recess formed on the external surface of the bottom wall, and the both side plates of the shutter member are in close contact with both side recesses formed on the external surface of the both sidewalls, the adapter contains at least one partition wall positioned between the both sidewalls and extending in the front-back direction and includes at least the two insertion holes arranged in the direction along with the partition wall, the shutter member includes at least the two connecting plates and the two shutter plates arranged in the lateral direction while sharing the base plate, and these shutter plates are positioned at the edges of these insertion holes and curved to form the convex shape toward the center portion of the insertion holes.