Patent ID: 8665609

Claim:
A key device comprising: a chassis having an opening; a substrate which is housed in the chassis; at least one horizontal rib which is engaged with the substrate and which divides the opening in the chassis into a plurality of horizontally elongated spaces; a plurality of keys which are arranged in at least one of the plurality of horizontally elongated spaces, wherein each of the keys has a flange for retaining the key in said at least one of the plurality of horizontally elongated spaces, and wherein the flange of each of said keys abuts against at least one of a backside of the at least one horizontal rib and a backside of a peripheral portion the chassis along said at least one of the plurality of horizontally elongated spaces; and a plurality of positioning guides formed on at least one of the backside of the at least one horizontal rib and the backside of the peripheral portion the chassis along said at least one of the plurality of horizontally elongated spaces, wherein each of the positioning guides respectively abuts against a side surface of the flange of one of said keys to horizontally position the keys along said at least one of the plurality of horizontally elongated spaces.