Patent ID: 7284465

Claim:
A locating structure of an adjustable wrench comprising: a) a main body having: I) a handle; ii) a head section having a first end connected to the handle, a slide channel located on a second end thereof, a slot communicating with the slide channel, and a blind hole located in a wall of the slot; and iii) a first jaw located on the second end of the head section; b) a second jaw having a rack slidably inserted into the slide channel, a pitch between faces of the first jaw and the second jaw is adjustable by a movement of the second jaw relative to the first jaw, the first jaw and the second jaw have symmetrical shapes; c) an adjustment member controlling the movement of the second jaw and having a driving thread rod having: I) a threaded rod body located on a first end thereof and engaging the rack of the second jaw; and ii) a rotary cylindrical body located on a second end thereof and having at least one dent located on an outer periphery thereof, both the threaded rod body and the rotary cylindrical body are rotatably located in the slot of the head section and are exposed to an exterior of the head section through the slot, the at least one dent of the rotary cylindrical body aligning with the blind hole of the slot; and d) a locating member located in the blind hole of the slot of the head section and being movable between locating and releasing positions, wherein, when the locating member is located in the releasing position, the locating member is separated from the at least one dent, and, when the locating member is located in the locating position, the locating member is engaged with one of the at least one dent.