Patent ID: 7281452
Filing Date: 2007-10-16
Classification: B25B,B25G

Abstract:
1. A wrench having a ratchet head able to vertically and horizontally rotate for 360° comprising: a tang having a centrally located longitudinal slit of predetermined length, at least a pair of retaining grooves spacedly formed in an underside of said tang, a pair of symmetrical arcuate prongs at a front end of said tang, said prongs each having an axial hole adjacent a free end thereof, an indentation in an inner side of said prongs communicating with said longitudinal slit and a screw hole adjacent a rear end of said prongs engaged with a screw, a drum-shaped ratchet head having a pair of axial rods centrally formed on opposing outer peripheries respectively and rotatably engaged within the axial holes of said prongs, a solid rectangular driver centrally formed on an underside of said head and a box driver centrally formed on a top of said head including a hexagonal central bore and a peripheral through hole for movably disposing therein a steel ball which is wrapped by a C-shaped elastic plate, a handle slidably sleeved on said tang and having a small upper through hole in a top for movably disposing a press button which has inner threads, a large through hole in an underside of said handle facing said small upper through hole, a bolt inserted through said large lower through hole and the longitudinal slit of said tang and having outer threads on an upper end thereof engaged with the inner threads of said press button and a stop head at a lower end thereof engageable with one of the retaining grooves of said tang, a positioning cap fixed into said large lower through hole and a spring means biased between said stop head and said positioning cap.