| 摘要 |
An open ended ratchet wrench includes an elongated handle and generally C-shaped head that is pivotally connected to the elongated handle. A cavity is formed within the C-shaped head. A pair of dogs pivotally mounted within the cavity, each having ratchet teeth. An elongated spring is positioned within the cavity and heaving each of a first end thereof abuttingly engaging a predetermined portion of one of the pair of dogs and having an opposed second end thereof abuttingly engaging a predetermined portion of an opposed one of the pair of dogs. A generally C-shaped insert is centrally disposed within the head and having ratchet teeth on each dog. An actuating member is secured to the spring and is manually operable to selectively rotate the head with the insert or ratchet the head about the insert.
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