Patent ID: 7989723

Claim:
A button apparatus, comprising: a button comprising a body, an operating portion extending outwardly from one surface of the body and two pressing portions extending outwardly from an opposite surface of the body, wherein the two pressing portions are arranged on two opposite sides of the body and formed on two diagonally opposite corners of the body respectively; a cover defining therein a through hole accepting extension of the operating portion; and a chassis secured to the cover to sandwich the body of the button between the chassis and the cover, the chassis comprising a frame, an opening defined in the frame and an elastic element connected between two opposite sides of the frame, the elastic element comprising a first contact portion and a second contact portion, the button pivotally engaged with the cover, and the two pressing portions of the button positioned at two opposite sides of the elastic element of the chassis; wherein when the button is depressed, it moves relative to the cover from an original position to a depressed position, causing at least one of the first and second contact portions to be resiliently distorted and abut at least one of the two opposite sides of the body, and when the button is released, the elastic element restores the button to the original position.