| 摘要 |
A universal multi-socket ratchet wrench comprises in combination a socket gripping body having a plurality of cross slot equally formed around the longitudinal wall of the open head for respectively and movably receiving a gripping member therein defining an adjustable hexagonal socket thereof; a rotary conical member having screw teeth at the larger end and a driving arm at the other end being positioned within an annular recess of the socket gripping body for matching with and making adjustment to the gripping members thereof; a force applying member with control and driving means installed therein being coupled with the socket and gripping body relative to the rotary conical member thereof; and a telescopic and pitchable handle connected to the force applying member, whereby, with the arrangement of the control and driving means, the socket gripping body is adaptable to any hexagonal nuts or other bolt type fasteners for tightening and loosening operations, that can be performed at any direction by the user without occurring accidental disengagement nor causing any damage to the workpiece.
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