| 摘要 |
<p>Disclosed herein is a key top which reduces noise, and allows key-in operation using a multiple key to be smoothly executed, and allows a single key and a multiple key to impart an identical pressing sensation, although identical rubber cups (103,203) are used for the single key and the multiple key. According to the present invention, first (106) and second (107) springs are integrally provided on a key stem (105) of the key top (100,200). In a key top for multiple keys, a plurality of key stems (205,205') is cut to be inclined at lower portions of outside surfaces and upper portions of inside surfaces of the key stems, thus forming slanted surfaces. Thereby, friction between the key stems and inside walls of a housing is minimized, thus allowing the key stems to smoothly move downward and execute key-in operation. A multiple key uses the same rubber cup (103,203) as the single key, and a contact surface (201) of the key top of the multiple key is formed to be convex at a center of a lower surface thereof, thus allowing the multiple key to have the same degree of pressing sensation as the single key.</p> |
