Patent ID: 8359952

Claim:
An open-end wrench for a threaded component comprising: a handle; a first jaw and a second jaw disposed at one end of the handle; a throat section being connected between rear ends of the two jaws; each of the jaws having an inner side serving as a holding face; the throat section defining a recess between the two jaws, the holding face of the first jaw and the holding face of the second jaw are asymmetrical, the recess having a bottommost point positioned at a center of the throat section; and a toothed section being disposed on the holding face of the first jaw, the toothed section having a plurality of sharp teeth and a wide tooth continuously arranged on the holding face, the wide tooth being located between the plurality of sharp teeth and the throat section, the wide tooth having a width that is larger than a width of the plurality of sharp teeth; a raised section with a plane face being located on the holding face of the second jaw and having a top end and a bottom end, the bottom end of the raised section is located closer to the throat section than the top end thereof, the toothed section has a top end and a bottom end, the bottom end of the toothed section is located closer to the throat section than the top end thereof, the bottom end of the raised section of the second jaw and the bottom end of the toothed section are aligned and located an equal distance from the throat section; the bottommost point of the throat section being spaced from a front end of the first jaw by a first length; the wide tooth having a tooth crest; the bottommost point of throat section being spaced from the tooth crest of the wide tooth by a second length, the second length ranging from ⅓ to ½ the first length; the toothed section having a length defined as a third length, the third length being ⅖ the first length; wherein, when a threaded component is positioned between the first jaw and the second jaw and the threaded component is engaging the throat section, the wide tooth is spaced apart a predetermined distance from a corresponding corner of the threaded component; wherein the wide tooth has the form of a triangle; an angle contained between two lateral sides of the wide tooth ranging from 148° to 160°.