Patent ID: 8345446

Claim:
A portable electronic device comprising: a housing including a plurality of latching portions, each latching portion including a base, two spaced-apart hooks, and a plurality of resisting blocks, the hooks and the resisting blocks integrally formed on the base, and the resisting blocks being around the hooks, each hook including a hook end; a cover attached to the housing and including a plurality of positioning pins; and a metal plate and a printed circuit board positioned between the housing and the cover, the metal plate defining a plurality of latching holes, the printed circuit board defining a plurality of locking holes, the two hooks of each latching portion being pressed toward each other to pass through a corresponding locking hole and latching hole, the hooks rebounding to allow the hook ends to lock the metal plate and the printed circuit board to the housing, and each positioning pin positioned between the two hooks of a corresponding latching portion to prevent the hooks from disengaging from the locking holes and the latching holes.