Patent ID: 7536749

Claim:
In a hinge having a bracket, a shank having an engagement portion adapted to securely engage with a screen of a laptop computer and an extending portion extending from a free end of the engagement portion and through the bracket, a first sleeve mounted rotatably around the shank and securely engaged with the bracket and a second sleeve mounted securely around the shank and pivotally engaged with the first sleeve, wherein the first sleeve has an arcuate step formed on an outer surface thereof, a neck extending from an outer surface of the arcuate step, at least one indentation formed on the outer surface of the arcuate step and a first upright wall formed adjacent to an end of one indentation; and the second sleeve has at least one projection formed on an inner surface thereof and corresponding to and being selectively received in the at least one indentation of the first sleeve so as to provide a positioning effect to the second sleeve when the at least one projection is received in the at least one indentation and a second upright wall formed adjacent to an end of one projection of the second sleeve and corresponding to the first upright wall such that the first upright wall abutting the second upright wall is able to prevent excessive pivotal movement of the second sleeve relative to the first sleeve.