Patent Number: 8,878,061

Title: Positioner and composite curl cord

Abstract: In a positioner according to the present invention, the rotating table and a hollow shaft is rotated by a motor via a speed reduction gear. In such a configuration, an air tube and a cable which supplies the air or electric power used to operate a jib on the rotating table are provided via the rotary joint arranged at one end of the shaft. A communication device may be provided on the rotating table by detaching the rotary joint and arranging a composite curl cord. The communication device may be provided by the rotary joint and a wireless communication device without using the composite curl cord.

Inventors: Nakano; Mitsuyoshi (Kitayushu, JP), Hara; Masaaki (Kitakyushu, JP), Imanaka; Takayuki (Kitakyushu, JP)

Assignee: Kabushiki Kaisha Yaskawa Denki

International Classification: H01B 7/06 (20060101); H01B 7/00 (20060101)

Expiration Date: 2019-11-04 0:00:00