Patent ID: 7640869

Claim:
A height-adjustable folding table, comprising: a tabletop, a first support and a second support, wherein each of the first support and the second support comprises a left foot portion and a right foot portion linked via a connecting portion, wherein the left foot portions of the first and second foot supports are rotationally cross-connected with each other, and the right foot portions of the first and second foot supports are rotationally cross-connected with each other, wherein the connecting portion of the first foot support is pivotally connected with one end of the lower surface of the tabletop, wherein the other end of the lower surface of the tabletop comprises a fixture comprising an adjustment board which comprises a plurality of grooves configured to receive the connecting portion of the second foot support, and wherein the connecting portion of the second foot support is fitted into a groove of the adjustable fixture, wherein the fixture further comprises a pressure lever, and a torsion spring, wherein one end of the pressure lever is rotationally connected with the lower surface of the tabletop, the end of the pressure lever is the free end, and the torsion spring keeps the pressure lever in firm contact with the lower surface of the tabletop, or with the connecting portion of the second foot support if it is received in one of the plurality of grooves.