Patent ID: 7854417

Claim:
A stand, comprising: a housing; an adjustable base fixed to one end of the housing, the adjustable base having a driving component, a follower, and a rotation shaft, the driving component configured to rotate the follower, with the rotation shaft fixed to the follower; a pulley rotatably connected to the housing; a sleeve slidably disposed on the housing, and engaging with the rotation shaft, a rotation of the follower forcing the sleeve sliding along the housing, the sleeve comprising a main portion and a peg, the main portion comprising a base plate and two side plates extending from opposite sides of the base plate, the peg extending through the side plates, and the rotating member seating on the peg; a rotating member rotatably received in the sleeve; a resilient member fixed to the adjustable base; at least one cable partially coiling on the pulley, and connecting the resilient member to the rotating member, and a sliding member slidably connected to the housing and fixed to the cable.