Patent ID: 8546714
Filing Date: 2013-10-01
Classification: H01H

Abstract:
1. A button assembly, comprising: a button comprising a push portion protruding rearwards from a middle of a rear surface of the button, and two protrusions extending rearwards from a lower portion of the rear surface of the button, the protrusions respectively adjacent to opposite ends of the button; a base plate fixed to the rear side of the button, wherein the push portion and the protrusions of the button are extended through the base plate, and two latching portions are formed on a rear surface of the base plate above the push portion, respectively adjacent to the opposite ends of the button; and a balance bar comprising a first bar, two second bars respectively extending upwards from opposite ends of the first bar, and two feet respectively extending from tops of the second bars, wherein the feet are movably engaged in the latching portions of the base plate, respectively, and two portions of the first bar respectively adjacent to the second bars are pivotably engaged in the protrusions of the button, respectively; wherein the button comprises a main body and a rim surrounding a rear end of the main body, the main body comprises a press plate, and a sidewall extending rearwards around the perimeter of the press plate, the rim extends outwards from a rear end of the sidewall, the push portion protrudes rearwards from a rear surface of the press plate, and the protrusions extend rearwards from the lower portion of a rear surface of the rim; and wherein two poles extend rearwards from the rear surface of the press plate respectively at opposite sides of the push portion, two projections extend rearwards from the rear surface of the base plate, and a positioning hole is defined in each of the projections, to receive a corresponding one of the poles of the button.