Patent attributes
The present invention is to provide an electric supply apparatus having a small size protector and being long lifetime. The electric supply apparatus having a wiring harness includes a protector; an annular wall disposed inside the protector, the wiring harness being bent freely along the annular wall; a leaf spring arranged around the annular wall, the leaf spring being fixed to the annular wall at a base end; and a spring holder disposed at a front end of the leaf spring for holding the wiring harness at a loop forming portion thereof. The spring holder is bent at a middle portion thereof with an angle in a direction of tangent of the annular wall. The spring holder fastens protective tubes of the wiring harness. The spring holder fastens end portions of a corrugated tube and a net tube which form the protective tube, and the net tube is disposed along the leaf spring.