| 摘要 |
An elevator hoist (1) is provided with a stator (2), a rotor (3) which is provided facing the stator (2), and a ring-shaped rope sheave (4) which is mounted to the supporting outer peripheral surface (3a) of the rotor (3). A male thread section (41) is provided on the supporting outer peripheral surface (3a) of the rotor (3), and a female thread section (51) is provided on the inner surface of the rope sheave (4). The rope sheave (4) is affixed to the outside radially of the supporting outer peripheral surface (3a) of the rotor (3) by engaging the female thread section (51) of the rope sheave (4) with the male thread section (41) of the rotor (3). |
