Patent ID: 8794112
Filing Date: 2014-08-05
Classification: B25B

Abstract:
1. A adjustable wrench with ratchet function comprising: fixed jaw, having a body and a sector block extending from a bottom of the body, the body including a sliding slot, a receiving groove in communication with the sliding slot, a through slit parallel with the sliding slot, and a communicating hole perpendicular to the through slit, the through slit communicating with the receiving groove, the communicating hole vertically communicating with the through slit, an arc edge of the sector block having a first notch and a second notch; a movable jaw, having a sliding rod, the sliding rod being slidably disposed in the sliding slot of the fixed jaw; a threaded shaft, having a shaft hole, the threaded shaft disposed in the receiving groove of the fixed jaw and engaged with a toothed portion of the sliding rod of the movable jaw; an axial rod, inserted through the through slit, the receiving groove and the shaft hole of the threaded shaft, the axial rod being axially movable in the through slit along an axial direction of the through slit, wherein the axial rod having a stop portion against a bottom rim of the threaded shaft; a spring, disposed in the through slit for allowing the axial rod being elastically movable along the axial direction; a handle, having a top end, the top end defining a pivot trench for receiving the sector block, the top end of the handle pivoted on an apex of the sector block, wherein the handle further has a recess and a through hole communicating with the pivot trench, the recess facing the communicating hole of the fixed jaw, the though hole being adjacent to the recess and facing the first notch of the sector block; a stop pin, having a top portion and a bottom portion, the top portion of the stop pin inserting though the communicating hole of the fixed jaw and entering in the through slit to be against the axial rod, the bottom portion of the stop pin entering the recess of the handle and pivoted on the handle with a gap between the recess and the bottom portion of the stop pin; and a switch post, inserting through the through hole of the handle and being movable within the through hole, wherein the switch post has a first end protruding toward outside of the through hole and a second end entering the first notch of the sector block, the switch post having a unlock position where the first notch allows the second end of the switch post to move therein and a lock position where the first notch keeps the second end of the switch post from moving.