Reversible ratchet wrench background of the invention

A reversible ratchet wrench includes a head and a handle, and a bore and a compartment formed in the head, a driving member includes a shank engaged in the bore of the head and a gear engaged in the compartment of the head, a pawl is pivotally mounted in the head and includes two engaging teeth for...

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Bibliographic Details
Main Author CHEN JU CHEN
Format Patent
LanguageEnglish
Published 08.12.2011
Subjects
HAND TOOLS
MANIPULATORS
PERFORMING OPERATIONS
PORTABLE POWER-DRIVEN TOOLS
TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FORFASTENING, CONNECTING, DISENGAGING OR HOLDING
TRANSPORTING
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Summary:A reversible ratchet wrench includes a head and a handle, and a bore and a compartment formed in the head, a driving member includes a shank engaged in the bore of the head and a gear engaged in the compartment of the head, a pawl is pivotally mounted in the head and includes two engaging teeth for controlling the driving direction of the gear of the driving member relative to the head, the pawl includes two side seats and a middle seat, and a spring-biased projection is engageable with either of the side seats of the pawl for controlling the driving direction of the gear relative to the head, and is engageable with the middle seat of the pawl for disengaging the engaging teeth from the gear and for allowing the gear to be freely rotated relative to the head.
Bibliography:Application Number: US20100802484