Patent ID: 6637300
Filing Date: 2003-10-28
Classification: B25B

Abstract:
A reversible adjustable wrench for a turning nut, comprising:a handle having a fixed jaw with a proximal end and a guiding slot at an end of said handle; two-sliding surfaces defined at the end of said handle beside an opening end of said guiding slot said fixed jaw having at least one stopping portion; a movable jaw having an end thereof slidably received in said guiding slot of said handle; an adjustable worm for driving said movable jaw toward and away from said fixed jaw; a rotatable device pivoted at a point on said fixed jaw rotatable relative to said fixed jaw; said rotatable device having a holding portion facing said movable jaw; and an elastic member disposed between said fixed jaw and said rotatable device which biases said holding portion of said rotatable device into an initial position against a tip end of said fixed jaw; wherein, after the nut has been engaged between the fixed jaw and the movable jaw, the handle can be turned in a first direction to turn the nut while the holding portion remains in the initial position and in a second direction wherein said holding portion of said rotatable device is turned to the proximal end of said fixed jaw and the nut is not turned, wherein said fixed jaw has two slots at lateral sides thereof respectively, each slot having two said stopping portions at sidewalls thereof; said rotatable device having two substantially parallel body portions, said holding portion connecting ends of said body portions; said body portions of said rotatable device received in said slots of said fixed jaw respectively, and a pin inserted into said body portions and said fixed jaw for pivoting aid rotatable device on said fixed law.