Patent ID: 7796381

Claim:
A portable electronic device comprising: a housing having a through hole and a button hole defined therein, the button hole communicating with the through hole; a battery cover removably attached to the housing, the battery cover including a locking portion; and a latch having an engaging portion, a spring receiving portion and a button portion, the engaging portion extending through the through hole, and releasably engaging with the locking portion, the button portion being movable in the button hole to disengage the locking portion from the engaging portion; the spring receiving portion defining a groove; and a spring member being engaged in the groove and biasing the latch into engagement with the locking portion, and wherein a latch containing portion is formed in the partition wall adjacent to the other end wall of the housing, the latch containing portion includes a first wall, a part of the end wall, and a second wall connected the first wall and the end wall, wherein the latch containing portion has a bottom portion, and the bottom portion is a part of the partition wall, the through hole is defined in the bottom portion of the latch containing portion, and the button hole is defined in the end wall apart from the limiting portions and further comprising a front cover, wherein a resisting portion is disposed on an inner surface adjacent to one short side of the front cover, the resisting portion is engaged with the latch containing portion of the housing so as to fix the latch in the housing, and the resisting portion includes a main board, two side boards extending from two ends of the main board, and an assistant board extending from one end of the side board.