| 摘要 |
PURPOSE: A tool for assembling a chassis is provided to be used conveniently in a narrow space and to reduce the time for assembling by transmitting the driving force of a motor tool to a bolt. CONSTITUTION: A tool for assembling a chassis comprises a case(2), a drive sprocket(4) rotatably installed in the case and fitted with a motor tool(8), a driven sprocket(6) rotatably installed in the case and fitted with a bolt, a chain wound on between the drive sprocket and the driven sprocket, and a fixing tool for fixing the driven sprocket when the tool is used manually. The driven sprocket is fitted into the head of a bolt, and the motor tool is fitted in the drive sprocket. Upon operating the motor tool, the drive sprocket rotates. The driving force is transmitted to the driven sprocket via the chain, and the driven sprocket rotates by the driving force. Therefore, the bolt is fastened and unfastened.
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