Patent ID: 7806426

Claim:
An adjustable cart comprising: a upper platform with a front portion and a back portion; a lower platform with a front portion and a back portion; rolling members for movably supporting the lower platform; a first supporting member connected to the back portion of the lower platform; and a first rotational pivot structure connecting the first supporting member to the back portion of the upper platform to permit pivoting about a first pivot location, wherein the upper platform is configured to rotate about the first rotational pivot structure from a first position substantially parallel to the lower platform to a second position substantially perpendicular to the lower platform during which the first pivot location moves away from the lower platform, wherein the first supporting member comprises an outer tube and an inner telescoping tube with the inner telescoping tube being connected to a portion of the upper platform, wherein the first rotational pivot structure is configured to raise the portion of the upper platform connected to the inner telescoping tube relative to the lower platform in response to rotation of the upper platform from the first position to the second position, and wherein the first rotational pivot structure is configured such that the rotation of the upper platform causes the inner telescoping tube connected to the portion of the upper platform to rise.