Patent ID: 7255026

Claim:
A one-way monkey wrench comprising: a handle defining a groove, an opening in communication with a section of the groove and a tunnel; a stationary jaw formed on the handle; a movable jaw movably installed on the handle, the movable jaw comprising a rack movably positioned in the groove; a worm rotationally positioned in the opening and engaged with the rack; and a one-way mechanism comprising a tongue movably positioned in the tunnel, the tongue comprising a sliding facet and a pushing facet near the sliding facet, the sliding facet sliding on an object when the one-way monkey wrench is rotated in a direction, the pushing facet pushing the object when the one-way monkey wrench is rotated in an opposite direction, wherein the tongue defines a slot, wherein the rack comprises a wedge movably positioned in the slot so that the tongue is withdrawn by the wedge when the movable jaw is moved toward the stationary jaw.