Patent ID: 8212167
Filing Date: 2012-07-03
Classification: H01H

Abstract:
1. A depressible key structure, comprising: a key frame having a receiving hole a keycap accommodated within said receiving hole, and comprising plural outer corner portions; and plural elastic arms, wherein each of said elastic arms includes an inner fixed arm part, at least one outer movable arm part, and a corner transition part interconnected between said inner fixed arm part and said at least one outer movable arm part, wherein said corner transition parts of said elastic arms correspond to respective outer corner portions of said keycap, each of said inner fixed arm parts is positioned at an inner edge of a specified side of a bottom surface of said keycap, a corresponding corner transition part is protruded out of said specified side to an adjacent side along a corresponding outer corner portion, and said outer movable arm part is fixed on said key frame, wherein said keycap is square-shaped, and said depressible key structure comprises two elastic arms, wherein each of said elastic arms includes an inner fixed arm part, two outer movable arm parts disposed at bilateral sides of said inner fixed arm part and perpendicular to said inner fixed arm part, a first corner transition part interconnected between said inner fixed arm part and one outer movable arm part, and a second corner transition part interconnected between said inner fixed arm part and the other outer movable arm part, wherein said inner fixed arm parts of said two elastic arms are respectively positioned at inner edges of two opposite sides of said bottom surface of said keycap, and said outer movable arm parts of said two elastic arms are close to outer edges of corresponding sides of said bottom surface of said keycap.