Patent ID: 7539303

Claim:
A keypad assembly for a portable communication device, comprising: a housing having a keyhole area formed thereon, the keyhole area having at least one keyhole defined therein, the housing having a groove defined along a periphery of the keyhole area; a keypad connecting with the housing and having a key area formed thereon, the key area having at least one key formed thereon, the keypad having a projection formed thereon and placed around the key area, the projection and the at least one key located on a same side of the keypad, the projection configured to interferingly engage the groove of the housing to seal the groove; wherein the keypad is made of elastic material; wherein the projection is a closed-curve shaped continuous frame, the groove of the housing having a shape corresponding to that of the projection and wherein the projection is configured to be pressed to be elastically deformed to interferingly engage and seal the groove.