Adjustable wrench

Details Adjustable wrench Adjustable wrench

B - Operations, Transporting

25

B

B25B 13/14 (2006.01) B25B 13/20 (2006.01) B25B 13/46 (2006.01)

Patent

CA 2320522

An Adjustable wrench including a main body, a slide block, a movable jaw and a grip. The main body has a jaw section and a hollow section in which the slide block and the movable jaw are disposed. The grip is pivotally connected with the hollow section. The slide block has a projecting section slidably inserted in the slide channels of the main body. A top face of the projecting section is formed with a semicircular groove. A lower portion of the movable jaw is a projecting rail complementary to the slide channels of the main body. A bottom face of the projecting rail is formed with a concave face cooperating with the semicircular groove of the slide block. The concave face is formed with a thread. The projecting rail of the movable jaw and the projecting section of the slide block are together inlaid in the slide channels of the main body. A bolt is passed through the concave face of the movable jaw and the semicircular groove of the slide block with the bolt screwed with the thread of the concave face for driving the movable jaw to move along the slide channels. A movable retaining block is disposed on one side of the top end of the grip opposite to a leaning section of the slide block. The retaining block can be switched, whereby when the grip is wrenched in different directions, the retaining block pushes the leaning section of the slide block so as to change the one-way wrenching direction of the adjustable wrench during repeated wrenching operation for a work piece.

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