Patent ID: 7698786

Claim:
A door hinge pin for a portable electronic device, comprising: a lead pin portion; a first pin body portion; a second pin body portion; a third pin body portion; and a tail pin portion; wherein the lead pin portion is connected with the first pin body portion which is connected with the second pin body portion which is connected with the third pin body portion which is connected with the tail pin portion, the lead pin portion and the tail pin portion are respectively positioned substantially vertical to the first pin body portion and the third pin body portion, the first pin body portion is located in parallel with the third pin body portion, a first reference line is defined parallel to the first pin body portion and the third pin body portion and located therebetween, and a first distance spaced between the first reference line and the first pin body portion is substantially the same as a second distance spaced between the first reference line and the third pin body portion, a second reference line is defined orthogonal to the first reference line, the distance between the tail pin portion and the second reference line along the first reference line is different from the distance between the head pin portion and the second reference line along the first reference line, and wherein the second pin body portion has a first connecting pin portion and a second connecting pin portion, the first connecting pin portion connecting with the first pin body portion, the second connecting pin portion connecting with the third pin body portion, and the first connecting pin portion being structured and arranged to be unsymmetrical with the second connecting pin portion about the first reference line.