| 摘要 |
A ratchet-type reversible wrench has an outer housing member rotatable relative to an inner member, and a handle connected with said housing member. A special ratchet mechanism provided in the wrench and including a tooth in outer housing member and a plurality of projections in the inner member for joint rotation of the members in one direction and disengagement of the members during rotation of the outer housing member in another direction. The inner member is provided with two square studs projecting outside of said inner member to connect with sockets. The handle performs a limited transverse counter motion relative to the outer housing member. This outer housing member is provided with a rod transferring effort from the switch of direction of rotation located on the handle to the ratchet mechanism.
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