| 摘要 |
PURPOSE: An electric motor and a connection method of an extension device are provided to maintain volume by securing stable coupling of an electric motor and an extension device. CONSTITUTION: An electric motor(1) includes an extended device(2). The electric motor and the extended device are securely connected. A shrink ring(4) thermally contracts about the electric motor and the extended device. The shrink ring covers a coupling unit(3). The shrink ring is shrunk about the electric motor. |
