Keyswitch and keyboard thereof

A keyboard comprising:

• a board;
• and
• a plurality of keyswitches disposed on the board, at least one of the plurality of keyswitches comprising:
• a cap;
• a first support member rotatably connected to the cap and rotatably connected to the board;
• a second support member rotatably connected to the cap and rotatably connected to the board, the cap moving between a non-pressed position and a pressed position relative to the board with rotation of the first support member and the second support member;
• a seesaw member having a pressing arm portion, a magnetic arm portion, and a fulcrum portion, the seesaw member movably supporting at least one of the cap, the first support member, and the second support member, the fulcrum member being connected to the pressing arm portion and the magnetic arm portion and rotatably connected to the board;
• and
• a magnetic member disposed on the board corresponding to the magnetic arm portion;
• wherein when the cap is pressed by an external force and the external force could overcome a magnetic attraction force between the magnetic member and the magnetic arm portion, the at least one of the cap, the first support member, and the second support member moves downward to abut against the pressing arm portion to make the seesaw member rotate around the fulcrum portion, so that the magnetic arm portion could be driven to raise relative to the board and the cap could be moved from the non-pressed position to the pressed position;
• when the cap is released, the magnetic attraction force between the magnetic member and the magnetic arm portion drives the seesaw member to rotate around the fulcrum portion and then be absorbed onto the magnetic member for making the pressing arm portion raise relative to the board, so that the pressing arm portion could lift the at least one of the cap, the first support member and the second support member to make the cap move from the pressing position back to the non-pressed position.

A keyboard comprising:

• a board;
• and
• a plurality of keyswitches disposed on the board, at least one of the plurality of keyswitches comprising:
• a cap;
• a first support member rotatably connected to the cap and rotatably connected to the board for rotating around a first rotating shaft on the board, the cap moving between a non-pressed position and a pressed position relative to the board;
• a seesaw member having a pressing arm portion, an attraction arm portion, and a fulcrum portion, the pressing arm portion movably supporting at least one of the cap and the first support member, the fulcrum member being connected to the pressing arm portion and the attraction arm portion and rotatably connected to the board to make the seesaw member rotate around a second rotating shaft on the board;
• and
• an attraction member disposed on the board corresponding to the attraction arm portion;
• wherein when the cap is pressed by an external force and the external force could overcome a magnetic attraction force between the attraction member and the attraction arm portion, the pressing arm portion rotates around the fulcrum portion, so that the attraction arm portion could be driven to raise relative to the board and the cap could move from the non-pressed position to the pressed position with rotation of the first support member;
• when the cap is released, the magnetic attraction force between the attraction member and the attraction arm portion drives the attraction arm portion to rotate around the fulcrum portion and then be absorbed onto the attraction member for making the pressing arm portion raise relative to the board, so that the cap could move from the pressing position back to the non-pressed position with rotation of the first support member.