Patent ID: 8401356

Claim:
An optical connector assembling jig for performing mechanical splicing to assemble a second optical fiber in an optical connector having an embedded fiber that is a first optical fiber, the jig comprising: a base provided in a longitudinal direction with an accommodation groove for accommodating the second optical fiber, the accommodation groove being formed into a convex shape oriented upward to a top surface of the base relative to a bottom surface of the base; and a guide for positioning the optical connector, the guide being capable of moving in the longitudinal direction of the base; the base having a rear pressing member for restraining a rear part of the second optical fiber accommodated in the accommodation groove, the rear part being set apart from the connector, and the guide having a front holding portion for holding a front part of the second optical fiber accommodated in the accommodation groove, the front part being near the connector, wherein the convex shape of the accommodation groove is such that a portion of the second optical fiber is bent upward relative to the base when the second optical fiber is pressed into the accommodation groove.