Patent ID: 6297809
Filing Date: 2001-10-02
Classification: H01H

Abstract:
A keyboard apparatus comprising:a keyboard base;key-switch bodies arranged on said keyboard base; andkey-tops corresponding to said key-switch bodies, each of said key-tops including a key-top side assortment cord having a first unique combination of convex portions and concave portions which is determined by a type of key-top thereof, and each of said key-switch bodies including a body side assortment cord having a second unique combination of convex portions and concave portions engageable with the key-top side assortment cord,wherein said key-tops are fittable to said key-switch bodies only when the key-top side assortment cord is brought into engagement with the body side assortment cord, the key-top side assortment cord is formed below a portion of a side wall of each of said key-tops, and the body side assortment cord is formed above a housing of each of said key-switch bodies.