Patent ID: 8467008

Claim:
A clamping device, comprising: a back frame, comprising an extension part, a first body and a first sidewall, the first sidewall being connected to the first body in a substantially vertical manner, the extension part being connected to a portion of the first sidewall in a substantially vertical manner, the extension part being substantially parallel to the first body, wherein the extension part, the portion of the first sidewall, and a portion of the first body form a bent structure; and a top cover, comprising a second body and a second sidewall, the second sidewall being connected to the second body in a substantially vertical manner, when the top cover and the back frame are assembled, the second sidewall leans closely against the first sidewall, and the first body is opposite to the second body; wherein the second body comprises a main part and a concave part connected to the main part, and a distance from the concave part to the first body is shorter than a distance from the main part to the first body, and wherein the concave part is spaced from the back frame to form an accommodating space for clamping an object.