Patent ID: 8854803

Claim:
A buffer assembly comprising: a buffer body, the buffer body comprising a buffer portion and a mounting portion surrounding the buffer portion; and an adhesive layer on the buffer body, the adhesive layer comprising a first adhesive portion and a second adhesive portion surrounding the first adhesive portion, the first adhesive portion and the second adhesive portion respectively corresponding to the buffer portion and the mounting portion; wherein a first cutting line is disposed between the buffer portion and the mounting portion such that the mounting portion is separable from the buffer portion along the first cutting line, and a second cutting line is disposed between the first adhesive portion and the second adhesive portion such that the second adhesive portion is separable from the first adhesive portion along the second cutting line, the second cutting line superposing the first cutting line, wherein the buffer portion comprises a first opening which is defined by an internal edge of the buffer portion, the first adhesive portion comprises a second opening which is defined by an internal edge of the first adhesive portion, the first opening is corresponding to the second opening, the first cutting line is surrounding the first opening and defines a first closed region, an area of the first close region is greater than an area of the first opening, the second cutting line is surrounding the second opening and defines a second closed region, and an area of the second closed region is greater than an area of the second opening.