| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a relay device between relative rotation members, capable of preventing a flexible flat cable from generating excessive tensile stress of buckling. SOLUTION: A relay device 10 is provided with a first rotor 11 having an inside cylinder part 11a, a second rotor 12 surrounding the inside cylinder part 11a at a specified interval and having an outside cylinder part 120a for relatively rotating with respect to the inside cylinder part 11a, a flexible flat cable 13 stored along the inside of a circular space K between the inside cylinder part 11a and the outside cylinder part 120a in which the inner circumference part 13a is held at the inside cylinder part 120a, and the outer circumference end part 13b is held at the outside cylinder part 120a, and a C-shaped moving body 21 movably provided along the space K and inverting the flexible flat cable at an opening 21c. And, a circumferentially consecutive circular guide groove K1 is provided at a part at which the moving body 21 in the space K is to be placed, a swinging fulcrum part 210a to be engaged with the guide groove K1 is provided at the moving body 21, the swinging fulcrum part 210a is moved along the guide groove K1 and is swingable by employing a part of the guide groove K1 as a fulcrum point.</p> |
