Patent ID: 6588937
Filing Date: 2003-07-08
Classification: G02B

Abstract:
An optical coupling device provided in its case with an internal fiber, holding members for holding each of two ends of the internal fiber, first and second connectors each holding one or the other of the holding members shiftably in an axial direction of the internal fiber, and energizing means each energizing, within one or the other connector, the holding member toward a connecting part of the connector,wherein each of the connecting parts of the first and second connectors permits fitting of a plug for holding an external fiber, wherein each connector has within the case a margin of shifting at least toward outside the case, wherein the plug is fitted to the connecting part of the first connector, and wherein the second connector can shift toward outside the case when the first connector is at a limit of inward shifting and a holding member pressed by the plug shifts inward in the case.