| 摘要 |
PROBLEM TO BE SOLVED: To decrease the thickness of a keyboard by eliminating a structure using a holder part to guide a vertical slide of a key stem while a keystroke is maintained large, and to provide an excellent operability for key input with a simple structure allowing a secure key input without wrenching. SOLUTION: In this key switch device, a pair of link members 7, 8 are combined at rod parts, and are structured to act each other at the combined and engaged part to operate associatively. When a key top 1 is pressed down, locking shafts 13a, 13b, 23a, 23b of the both link members 7, 8 turn inside turn lock parts 2a, 2b, 3a, 3b, and lock pins 14a, 14b, 24a, 24b side outward individually inside slide lock parts 27a, 27b, 28a, 28b, thereby guiding a falling motion of the key top 1. Eliminating a structure using a holder part to guide a vertical slide of a key stem decreases the thickness of a keyboard while the amount of a keystroke is maintained, provides an excellent operability for key input, and secures the key input without wrenching. |
