Patent ID: 8602367

Claim:
A supporting bracket comprising: a stand, the stand comprising a shank; a controlling structure, the controlling structure comprising an installation member, a blocking member, a clamping member, a resilient member, and a controlling member, the installation member comprising an installation portion, the installation portion defining an installation hole, the blocking member engaged in the installation hole, the clamping member surrounding the blocking member and abutting the shank, the resilient member engaged with the blocking member and positioned between an inner wall of the installation member and the clamping member, the controlling member installed in the installation member, the resilient member being resiliently deformable to abut the clamping member driven by the controlling member, and a friction force between the shank and the clamping member being adjustable by rotating the controlling member relative to the installation member; the blocking member comprises a blocking portion, the clamping member comprises a retaining portion and a resisting piece connected to the retaining portion, the blocking portion defines a first gap and a second gap, the resisting piece is received in the first gap and abuts the shank, and the retaining portion is partially received in the second gap and abuts the shank through the second gap; a flange and two tabs are located on the blocking member, the retaining portion is engaged between the flange and the two tabs; the engaging member further comprises a latching portion extending from the holding portion, the blocking member further comprises a stopping portion connected to the blocking portion, the latching portion abuts a first end of the installation portion, and the stopping portion abuts a second end opposite to the first end of the installation portion; a first protrusion and a second protrusion being located on the stopping portion, wherein two cutouts are defined in the installation portion, and each of the first protrusion and the second protrusion is engaged in each of the two cutouts; and the resilient member defines a nick and a through hole, a pillar is protruded from the blocking portion, the first protrusion is engaged in the nick, and the pillar is engaged in the through hole to engage the resilient member with the blocking member and abut the resisting piece.