Patent ID: 7986982
Filing Date: 2011-07-26
Classification: H04M

Abstract:
1. A handset device comprising: a housing accommodating electronic elements, the housing comprising a front wall, a rear wall, and a pair of sidewalls, the front wall comprising at least one first receiving portion comprising a wedge-shaped first slidable groove having a first inclination angle and a recessed portion communicating with the first slidable groove, each of the sidewalls comprising at least one second receiving portion comprising a wedge-shaped second slidable groove having a second inclination angle and a fixing portion positioned over the second slidable groove, with the first inclination angle exceeding the second inclination angle; and a battery cover mounted on the housing, the battery cover comprising at least one fastening protrusion corresponding to the first receiving portion and at least one pair of locking protrusions corresponding to the second receiving portions, the at least one fastening protrusion having a third inclination angle equal to the first inclination angle and comprising a hook located an end thereof, each of the locking protrusions having a fourth inclination angle equal to the second inclination angle; wherein the hook of the fastening protrusion abuts the recessed portion, and the fixing portions abut the locking protrusions, respectively.