Cable reel of electric signal transmission apparatus.

摘要

A cable reel of an electric signal transmission apparatus includes a tape-shaped cable for absorbing a relative rotation by tighting and loosening of winding of said tape-shaped cable, a housing including an inner cylinder having a flange portion and outer cylinder having side and bottom surface portions, wherein an upper portion of said side surface portion is engaged with and covered by said flange portion of said inner cylinder. <IMAGE>