| 摘要 |
<p>The swinging rotor (20) comprises a driving collar (22) connected with a drive shaft, and a rotor body (21) arranged around the driving collar, where multiple pairs of arms are arranged on the rotor body. A holding pin is arranged on a beam to hold a cup (30) in pivot position. An engagement portion is formed on the cup to support the holding pin, where a sliding surface of the holding pin is formed with an engaging portion of the cup.</p> |
