Patent ID: 8322760

Claim:
A battery cover mechanism for a portable electronic device, comprising: a housing comprising an assembly groove, at least one holding aperture defined therein, a first end portion, a second end portion, and a recess portion between the first end portion and the second end portion; a cover forming a rib and at least one lock at two ends respectively, a latch member comprising two guide portions respectively extending laterally at two opposite sides of the latch member, and two extending portions extending from an end of the latch member positioned between the two guide portions; and an elastic unit; wherein two sidewalls of the assembly groove comprise two opposite guide slots defined therein, the two guide portions slidably engage the guide slots, wherein the elastic unit is assembled in the assembly groove and resists the latch member, the latch member latches the rib of the cover, the two extending portions resist the cover, and the lock of the cover latches the holding apertures of the housing, whereby the cover latches the housing and can be removed from the housing by pushing the latch member; and wherein the assembly groove is defined in the first end portion and communicates with the recess portion, and the holding apertures are defined in the recess portion and adjacent to the second end portion, the assembly groove comprises a shallow first groove section, a deep second groove section communicating with the recess portion, and a connecting wall separating the first groove section and the second groove section; wherein the latch member further comprises a main portion and a protruding portion formed integrally with the main portion, the protruding portion forming the two guide portions extending laterally at the two sides to engage the two guide slots; wherein the main portion is a substantially rectangular planar board and includes a first surface and a second surface, and the first and second surfaces are opposite to each other and substantially parallel to each other; a plurality of strips are formed on the first surface, and the protruding portion is formed on the second surface; and wherein a part of the second surface protrudes to form the protruding portion, and the protruding portion is a substantially rectangular planar board and is substantially parallel to the main portion; the two guide portions are respectively formed on two opposite and substantially parallel side edges of the protruding portion, and both the two extending portions protrude from a third side edge of the protruding portion that is substantially perpendicular to the two side edges of the protruding portion where the two guide portions are respectively formed on.