Patent attributes
A terminal connecting structure includes a male terminal having a plated columnar rod portion, a female terminal having a cylindrical portion configured to receive the rod portion of the male terminal therein, and an elastic member attached to the cylindrical portion of the female terminal. The elastic member energizes the rod portion toward an inner surface of the cylindrical portion when the rod portion is inserted into the cylindrical portion. The female terminal has a plurality of projection portions protruding inward from respective regions located at both sides of a central portion of the inner surface of the cylindrical portion as seen from a front view. A tip end of each of the plurality of projection portions has a curved surface which is concave toward an outer side of the cylindrical portion.