Patent ID: 8733214
Filing Date: 2014-05-27
Classification: B25B

Abstract:
1. A wrench, including: a main body, having a fixed jaw; a movable jaw; a slidable member, formed at the bottom portion of the movable jaw and slidably mounted to the main body, the movable jaw defining a changeable opening with the fixed jaw, a sliding axis being defined according to a longitudinal direction of the slidable member, and the width of the changeable opening changing when the slidable member slides, wherein the slidable member includes an upper small portion and a first lower enlarged portion, the upper small portion extends laterally from and is located at the bottom portion of the movable jaw, the upper small portion has a first end and a second end, the first lower enlarged portion extends laterally from and is located at the bottom portion of the upper small portion and is near the first end of the upper small portion, the extending length of the first lower enlarged portion is smaller than that of the upper small portion, the first lower enlarged portion has a first end and a second end, a part of the upper small portion near the second end thereof and the first end of the first lower enlarged portion define a driving space, an another part of the upper small portion and the main body define an evading space, and the evading space is comparatively near the second end of the upper small portion and communicates with the driving space; and a handle, rotatably mounted to the main body, having a toggle member disposed at one end thereof, and being rotatable between a driving position and a releasing position, wherein when the handle is at the driving position, the toggle member is located in the driving space and engages against the first end of the first lower enlarged portion, and the changeable opening has the smallest width, when the handle is at the releasing position, the toggle member is located away from the first end of the first lower enlarged portion and moves freely into the evading space from the driving space, and the movable jaw is capable of being moved away from or toward the fixed jaw.