Patent ID: 7104165

Claim:
A wrench comprising; a sleeve socket including ratchet teeth disposed on an inner circumference thereof, and including an upper side and a bottom side, and including a compartment formed therein, and including a first protruded ear extended therefrom and including a hole formed in said first protruded ear, said first protruded ear of said sleeve socket including a plurality of concave dots formed thereon, a ratchet head engaged in said sleeve socket and selectively engaged with said ratchet teeth of said sleeve socket, two ring-shaped gears engaged on said upper side and said bottom side of said sleeve socket respectively, a first transmission gear rotatably received in said compartment of said sleeve socket, and meshed with said ring-shaped gears respectively, a medium gear rotatably received in said hole of said sleeve socket, and meshed with said first transmission gear, a long shaft including a second protruded ear extended from one end thereof and rotatably attached to said first protruded ear of said sleeve socket, and including a hollow hole formed through said long shaft, and a handle including a round shaft rotatably engaged through said hollow hole of said long shaft, and including a second transmission gear secured thereto and meshed with said medium gear, to allow said ring-shaped gears to be rotated relative to said sleeve socket by said handle with said medium gear, said first transmission gear of said sleeve socket, and said second transmission gear of said handle, and a steel ball disposed in said second protruded ear of said long shaft for selectively engaging with said concave dots of said first protruded ear of said sleeve socket.