| 摘要 |
<p>PURPOSE:To make the device compact by adjusting the feeding length of a cable connected to a revolving structure such as an artificial satellite tracing antenna with respect to the revolving structure through movement of partition rings associated with rotation of the revolving structure at a predetermined ratio. CONSTITUTION:Annular cable guides 1, 2 receive a cable 3 for supplying power source or the like to a revolving structure in such a manner that the cable 3 is curved through an angle of 180 deg. at an intermediate portion between the fixed structure side and the revolving structure side to be arranged concentrically therein. Concentrically arranged annular partition rings 5 are provided at the respective ends with rollers 6, 7, and the curved portion of the cable 3 protected by a spiral pipe 4 is held between the rollers 6, 7 to be received in the cable guides 1, 2. The partition rings 5 are engaged with the revolving structure by means of friction, meshing or the like, so that it can be associated with the revolving structure to be revolved at one-half the angle of rotation of the revolving structure, with the rollers 6, 7 which hold the cable 3 and the spiral pipe 4 therebetween rotating.</p> |
