| 摘要 |
PROBLEM TO BE SOLVED: To provide a transmission structure capable of stably supporting a tight arm having a pulley with a simple composition and enabling easy processing and installation. SOLUTION: In this transmission structure, plural tight arms 5 and 6 having pulleys 5a and 6a for tensioning a belt are adjacently supported around a same axis of a supporting case 3 for rotatably supporting a rotating shaft 31 having a pulley 30.
|
