Patent ID: 8671808
Filing Date: 2014-03-18
Classification: B25B

Abstract:
1. A wrench comprising: a body having a handle and a driving head connected to an end of the handle, the driving head having a ratchet mechanism which has a rotatable ratchet gear with multiple ratchet teeth formed on an outer periphery of the ratchet gear, an engaging hole defined in one side of the ratchet gear and a groove defined in an inner periphery of the engaging hole, a stop portion extending from the other side of the ratchet gear; the stop portion having a mounting hole defined centrally therethrough and a cover being mounted to cover the through hole, the cover being biased by the first resilient member to contact the stop portion, the universal connector having a through hole defined axially therethrough, a pin being movably located in the through hole and a second resilient member being located between the pin and the universal connector, the second resilient member biasing the pin toward the head, the pin having a first end and a second which is located opposite to the first end, the first end extending out from the through hole of the head, the cover having a protrusion which is located corresponding to the first end of the pin, a first bead hole being defined through the driving part and communicating with the through hole, a first bead being located in the first bead hole, the pin having a recess which includes a first portion and a second portion which is deeper than the first portion, the first portion being located corresponding to the first bead hole, the first bead partially protruding from the driving part, the protrusion pushing the pin within the through hole when the cover being applied by a force, the second portion being located corresponding to the first bead hole and the first bead being completely merged into the first bead hole; a universal connector having a first end with a driving part and a head located on a second end of the universal connector, the head located within the engaging hole and swingable relative to an axis of the head and non-rotatable relative to the axis of the head; a first resilient member located in the engaging hole and located between the stop portion and the head, and a clip engaged with the groove and protruding out from the groove so as to contact the head to restrict the universal connector from dropping out from the engaging hole.