| 摘要 |
A ratchet wrench includes a ratchet wheel rotatably mounted in a receiving portion at one end of a wrench body, a stop block mounted in an open chamber inside the wrench body and adapted to engage the ratchet wheel and to limit the direction of rotation of the ratchet wheel, and a spring mounted in the open chamber of the wrench body to support the stop block and to force the stop block into engagement with the ratchet wheel, the spring member having a midsection stopped between one sidewall of the open chamber of the wrench body and a peripheral wall of the stop block, two coupling portions respectively extended outwardly from the midsection of the spring member and respectively positioned in a blind hole in one sidewall of the open chamber of the wrench body and a blind hole in one sidewall of the stop block.
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