Patent ID: 6575648
Filing Date: 2003-06-10
Classification: B41J,G06F,H01H

Abstract:
An index bar device including key structure function for a computer, comprising:a base; a track frame located above the base having a track space; and an index bar sliding device, said index bar sliding device including: a slide block reciprocally movable in the track space having a hole formed therein, an index bar fixedly engaged with the hole having a first end extending above the track frame and a second end, and an elastic switch located between a bottom of the index bar sliding device and the base; wherein the index bar sliding device has a bottom end pressing and moving the elastic switch for a selected displacement when an external force is applied on the first end toward the second end for the elastic switch to generate a keystroke signal output; wherein the track frame has a turtledove tail-shaped groove and slide block has a turtledove tail-shaped lug slidably engaged with the groove.