作者: Yukio Wada , Takeshi Matsui , Yoshinori Abura
DOI:
关键词:
摘要: An electric device having rotary type current collecting means through source cord which is made freely rotatable with respect to variations in using position of the for preventing any twist cord. The comprises an integral block a first carrier feeding conductor connected and second slidably contacting collection from device, carriers are rotatably coupled each other assembled body so as stationarily hold while held body.