Patent ID: 8210109

Claim:
An adjustable-height table, comprising: a base plate, a table top with a frame, positioned above the base plate, a single pneumatic cylinder connected to the base plate and with a cylinder rod extending from the cylinder and engaged with the table top frame so as to exert an upward pushing force on the table top when the pneumatic cylinder is charged with a gas, the single pneumatic cylinder being a sole means of lifting the table top, a guide assembly stabilizing the table top against lateral and tipping motion, including a plurality of shafts fixed to the base plate and extending upwardly, and a substantially frictionless slide member slidable vertically on each shaft as the table top is moved up or down relative to the base plate, the table top frame being secured to each of the slide members, the guide assembly further including a stabilizing structural member connected to a top end of each shaft and extending from the shaft generally horizontally and having a connection to the base plate, the shafts being spaced apart and extending upward from the base plate, and further including a generally vertical anchoring post secured to the stabilizing member and to the base plate, and wherein the stabilizing structural member comprises a structural bar extending between and connected to the tops of the shafts and the anchoring post, and a position locking mechanism connected to and operable between the table top and the base such that when the locking mechanism is released the table top can be moved up or down by a user, and when the locking mechanism is engaged the table top is fixed in position.