Patent ID: 8247103

Claim:
A battery cover mechanism for a portable electronic device, comprising: a housing having a peripheral wall and a bottom wall, wherein the peripheral wall defines a cutout, the bottom wall forms spaced-apart latching seats on opposites sides of the cutout, the two latching seats form spaced-apart guiding slots, each latching seat defines a first connecting hole; a door having a rib at each side thereof; two first elastic members; two fixing members; a holding unit defining two second connecting holes corresponding to the two first connecting holes; and a second elastic member fixed in the housing and facing the cutout; wherein the door engages with the two latching seats to close the cutout, each rib is received in one of the guiding slots, each first elastic member is positioned into one of the guiding slots, each fixing member passes through one of the second connecting holes and one of the first connecting holes to fix the holding unit on the two latching seats, the holding unit encloses the guiding slots and presses the two first elastic members, each first elastic member is resisted between one of the ribs and the holding unit, the second elastic member and the door resist a battery therebetween, the door can slide along the guiding slots to open the cutout, allowing the second elastic member to push the battery out from the cutout wherein the fixing member is a screw and screws into the second connecting hole and the first connecting hole.