| 摘要 |
A screwdriver having a ratchet mechanism includes a tool sleeve, a handle, a first detent, a first elastic element, a second detent, a second elastic element, and a switch assembly. The tool sleeve is provided with a ratchet head formed with ratchet teeth. The handle has a hollow chamber to accommodate the tool sleeve and a ratchet base therein. The ratchet base is to accommodate the ratchet head with the ratchet teeth, the detents and the elastic elements. Each of the detents engages with the ratchet teeth of the ratchet head. The switch assembly is pivotally connected to the handle and comprises a first stud and a second stud to engage with the first detent and the second detent, respectively.
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