Abstract: An adjustable stand up desk includes an upper desk surface and a second desk surface connected to the upper desk surface. The desk further includes a base with at least two channels and a pair of positioning legs configured to sit on an existing desk. A folding leg assembly connects the base to the first desk surface. The folding leg assembly includes a first pair of legs that extends between the first desk surface and the base, and a second pair of legs that extends between the first desk surface and the base. Each leg of the first and second pairs of legs is configured to move within the at least two channels of the base, such that the adjustable stand up desk can be adjusted from at least a closed position to a fully raised position.

Abstract: An adjustable stand up desk includes a desk top; a desk base; leg assembly coupled to the desk top and the desk base; and an assisted lift mechanism. The assisted lift mechanism includes a gas spring coupled to the desk top and the leg assembly that assists in lifting and damping a first portion of travel of the desk top, and a spring device external to and in concentric alignment with the gas spring and sized and positioned to dampen a fall and assist a lift during a second portion of travel of the desk top.