Patent ID: 7837112

Claim:
A bar code reader comprising: a main board; a casing having an upper casing with at least one button hole piercing therethrough, a lower casing separable from and assembled to the upper casing, wherein the upper casing and lower casing interpose the main board therebetween, and a projection unit coupled to one side of the upper casing and the lower casing to assist joining of the upper casing and the lower casing; an input button unit coupled to the casing having at least one portion outwardly exposed through at least one button hole, and electrically connected to the main board for supplying a required signal thereto; a bar code reading unit included within the casing for enabling external projection through the projection unit, and electrically connected to the main board for reading a bar code of a target object; and a bar code support bracket coupled to the casing for supporting the bar code reading unit, wherein the at least one button hole comprises a first button hole and a second button hole disposed in the upper casing separated from the first button hole, and wherein the input button unit comprises: a first button having at least one portion externally exposed through the first button hole; a second button having at least one portion externally exposed through the second button hole; and a common rib connecting plate coupled with the first button and the second button to be disposed between the upper casing and the main board, and elastically deformed for supplying each signal of the first button and the second button to the main board in conformity with each pressing of the first button and the second button.