Importance

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Abstract

A safety structure for pliers contains: a fixed clamp jaw, a movable clamp jaw, a first handle, a second handle, an actuation unit, and an adjustment screw. The fixed clamp jaw is disposed on the first handle, and the movable clamp jaw is rotatably connected with the fixed clamp jaw and the second handle. The actuation unit includes a spring mounted on the first handle and between two rotatable connecting portions of the movable clamp jaw, and the actuation unit also includes a driving post rotatably connected the second handle and inserted into the first handle. The actuation unit further includes a threaded post having an arcuate section and includes a pushing post rotatably joined with the second handle and forced by the arcuate section. The driving post has a push portion, and the adjustment screw is screwed into the second handle and abuts against the push portion.

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First Claim