| 摘要 |
PURPOSE: An extension for an operational tool containing multiple edge drive is provided to move a nut being located while deviating from a tool shaft and to use a shaft directional extension containing a card a joint. CONSTITUTION: A tool extension possibly slips perpendicularly to the operational shaft of a tool on a horizontal extension. The tool extension includes a drive wheel(8) being connected to at least one force transferring connecting member in the opposite end unit while the drive wheel and the connecting member connecting the wheel being stored by a housing containing a shaft(5) and two drive heads(3, 4). And a guide channel(11) connecting the drive wheel is installed in the housing storing the member, and the housing includes two cups(1, 2) being connected to each other or being rivet treated.
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