Patent ID: 8276484
Filing Date: 2012-10-02
Classification: B25B

Abstract:
1. An adjustable wrench comprising: a fixed jaw including first and second ends, a chamber and a hole defined therein, with the hole extended from the chamber to an outer periphery of the fixed jaw, with the chamber including an adjusting mechanism and an abutting mechanism disposed therein, with the adjusting mechanism including a worm gear, a fixing member, and a first biasing member, with the worm gear including the fixing member inserted therein, with the worm gear rotatable about and movable along the fixing member, with the fixing member inserted through the hole, with the first biasing member engaged with the worm gear, with the abutting mechanism including an abutting member and a second biasing member, with the abutting member engagable with the worm gear and engaged with the second biasing member, wherein the chamber defines first and second receptacles receiving the abutting member and the second biasing member respectively, with the abutting member defining a fixing end and first and second engaging ends and including a slot extended therein, with the abutting member being pivotal, with the first receptacle pivotally bearing the fixing end, with the first engaging end engaged with the second biasing member; a handle pivotally fixed to the fixed jaw and allowing grasping by a user; wherein the adjustable wrench is operable in a first direction wrenching an object and including the worm gear stopped from moving along the fixing member by the abutting member fixedly abutting against the worm gear, with the adjustable wrench operably moved in the first direction including the second engaging end abutted against the worm gear, with the slot including a fastener inserted therein, with the fastener fixedly mounted on the handle; and wherein the adjustable wrench is operable in a second direction moving relative to the object and including the worm gear adapted to be moved with respect to the fixing member and including the movable jaw moving with respect to the fixed jaw and including the abutting member not fixedly abutted against the worm gear.