| 摘要 |
A ratchet wrench comprising a handle including a first end having a head formed thereon, a gear rotatably received in the head and including an upper portion having a first driving stem extended upward therefrom and including a lower portion having a second driving stem extended downward therefrom, a pair of pawls slidably received in the head for engaging with the gear, and means for selectively actuating the pawls to engage with the gear and to control and active direction of the gear and the driving stems, the head including a chamber formed therein and including a block received in the chamber of the head, the block including an opening for rotatably receiving the gear and including a slot tangent to the opening for slidably receiving the pawls.
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