Keyswitch with member and support devices

A keyswitch comprising:

• a board;
• a cap opposite to the board;
• a first support device disposed between the cap and the board, one end of the first support device being connected to the board, another end of the first support device being connected to the cap;
• a second support device disposed between the cap and the board and spaced apart from the first support device at a specific distance, an end of the second support device being connected to the board, another end of the second support device being connected to the cap;
• and
• a first link member having a first end portion and a second end portion, the first end portion being movably connected to the first support device to be movable between a first position and a second position relative to the first support device, the second end portion being connected to the second support device;
• wherein when the first end portion moves to the first position relative to the first support device, the first support device is spaced apart from the second support device at a first distance;
• when the first end portion moves to the second position relative to the first support device, the first support device is spaced apart from the second support device at a second distance;
• the first distance is larger than the second distance.