Abstract: A keypad lifting mechanism includes a fixing board, a first board, a guiding frame and a second board. Two stopping members are fixed on the fixing board. The first board is slidable relative to the fixing board. A plurality of wedges are formed on the guiding frame. The second board includes a plurality of protrusions. The second board slides up or down relative to the first board by engagement of the protrusions of the second board and the wedges of the first board. When the first board is moved relative to the fixing board, the guiding frame is stopped by the stopping members and the second board moving relative to the guiding frame so as to move up or down the second board.

Abstract: A keypad lifting mechanism includes a first board, a guiding piece, a second board and a third board. The guiding piece defines a guiding hole. The guiding hole includes a transverse end portion. The second board includes at least one protrusion. A guiding post is formed on the second board for engaging in the guiding hole of the guiding piece. The third board includes at least one slope corresponding to the at least one protrusion. When the guiding piece is pushed away from the third board, the guiding post slides along the guiding hole of the guiding piece. The second board moves with the guiding piece when the guiding post reaching the transverse end portion of the guiding hole. The third board is raised by the at least one slope sliding up along the at least one protrusion of the second board.

Abstract: A keypad lifting mechanism includes a first board, a second board and a third board. The second board is positioned between the first board and the third board. The first board has a plurality of wedges. The third board has a plurality of protrusions. The second board has a plurality of resisting members. When the second board is pushed away the first board and the third board, the second board is raised relative to the first board by engagement of the wedges and the resisting member, and the third board is raised relative to the second board by engagement of the resisting members and the protrusions.

Abstract: A keypad lifting mechanism includes a first board, a guiding piece, a second board and a third board. The guiding piece defines a guiding hole. The guiding hole includes a transverse end portion. The second board includes at least one protrusion. A guiding post is formed on the second board for engaging in the guiding hole of the guiding piece. The third board includes at least one slope corresponding to the at least one protrusion. When the guiding piece is pushed away from the third board, the guiding post slides along the guiding hole of the guiding piece. The second board moves with the guiding piece when the guiding post reaching the transverse end portion of the guiding hole. The third board is raised by the at least one slope sliding up along the at least one protrusion of the second board.

Abstract: A keypad lifting mechanism includes a first board, a second board and a third board. The second board is positioned between the first board and the third board. The first board has a plurality of wedges. The third board has a plurality of protrusions. The second board has a plurality of resisting members. When the second board is pushed away the first board and the third board, the second board is raised relative to the first board by engagement of the wedges and the resisting member, and the third board is raised relative to the second board by engagement of the resisting members and the protrusions.

Abstract: A keypad lifting mechanism includes a fixing board, a first board, a guiding frame and a second board. Two stopping members are fixed on the fixing board. The first board is slidable relative to the fixing board. A plurality of wedges are formed on the guiding frame. The second board includes a plurality of protrusions. The second board slides up or down relative to the first board by engagement of the protrusions of the second board and the wedges of the first board. When the first board is moved relative to the fixing board, the guiding frame is stopped by the stopping members and the second board moving relative to the guiding frame so as to move up or down the second board.