Patent ID: 6836403
Filing Date: 2004-12-28
Classification: G06F,H01H,H05K

Abstract:
A button apparatus for an electrical device having a circuit board with M switch devices wherein M is a positive integer number, comprising:a body having M protrusions respectively corresponding to the M switch devices for selectively actuating the M switch devices, the body including a central part; a pillar comprising a first end and a second end, the second end having a projection used as a pivot, the first end pressing against the central part of the body; and an alignment board comprising: M holes respectively allowing respective passage of the M protrusions; and a plurality of ribs for adjusting moving directions of the body when the body is pushed downward, wherein, when the body is pushed downward, the body presses upon the first end and the projection touches against the circuit board for controlling one of the M protrusions to selectively actuate one corresponding switch device.