Patent ID: 6156983
Filing Date: 2000-12-05
Classification: H01H

Abstract:
A liquid damage resistant keyboard assembly comprising:(a) a seat having formed therein a plurality of through holes, said seat including at least one hollow sleeve portion protruding therefrom disposed about at least one of said through holes;(b) a circuit unit coupled to said seat;(c) an elastic body having a plurality of resiliently deflectable controlling hat formations substantially overlaying said circuit unit;(d) an upper cover substantially enveloping an upper portion of said elastic body for catching and guiding liquid received thereby to drain through at said least one of said through holes of said seat, said upper cover having formed therein at least one recessed groove portion, said at least one recessed groove portion defining a sidewall section for retaining the liquid, said sidewall section having formed therein a laterally recessed hollow drain tube region defining a downwardly extending drain hole in open communication with said at least one of said through holes of said seat, said hollow drain tube region engaging said at least one hollow sleeve of said seat.