| 摘要 |
Disclosed is a machine that comprises: a main pole which has a rotation shaft therein; a tool unit which is located at one end of the main pole; and a power unit which is located at the other end of the main pole. The main pole has a first pole part, a second pole part, and a link member for mutually linking the first and second pole parts. The first pole part comprises a positioning member. The link member comprises a positioning hole for engagement with the positioning member and a guide groove extending from the positioning hole. The guide groove guides the positioning member to the positioning hole and also permits withdrawal of the positioning member in at least a partial section of the guide groove. |
