| 摘要 |
PURPOSE: A supporting apparatus of a motor shaft is provided to form a floating type steel ball to be integral with a base and assemble a motor under the state that the motor shaft is positioned in its position, thereby enhancing the workability and preventing the release of the steel ball. CONSTITUTION: One end of a motor shaft(34) is supported by a rotation supporting member(61). The motor shaft(34) rotated by a rotor(33) is rotatably supported by two bearings(41,42) mounted on both housings(11,21). The bearings(41,42) are inserted into fitting grooves(12,22). The one end of the motor shaft(34) is extended through the bearing(41) to be protruded through a shaft hole(13), and the other end of the motor shaft(34) is supported by the rotation supporting member(61) rested on one end of the fitting groove(22) of the second housing(21). The supporting member(61) consists of a steel ball and a square type base.
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