Patent ID: 9207710
Filing Date: 2015-12-08
Classification: G02F,G06F,H05K

Abstract:
1. A back frame, comprising: at least two main pieces, the adjacent main pieces are assembled via assembly sections, a plurality of anchor points are arranged on different locations of each of the assembly sections, the size of the back frame is variably configured by assembling the at least two adjacent main pieces through different anchor points; and wherein the anchor points are rivet holes, screw holes, non-hole rivet points, or welding points, and the assembly sections of the main pieces further comprise protrusions surrounding by the plurality of anchor points; wherein the protrusions comprise a first protrusion and a second protrusion respectively arranged on the assembly sections of the two adjacent main pieces, the second protrusion is received in a space limited by the first protrusion, and a top of the first protrusion is closely adjacent to a top of the second protrusion, and a support being arranged in the bottom of the second protrusion to prevent the protrusions from being deformed.