Patent ID: 7631940

Claim:
A lounge chair comprising: a hollow parallelepiped frame having a head end, a foot end, a mid-section between the head end and the foot end, spaced side members and four corners; a seat portion suspended between the side members of the frame mid-section; a vertically-adjustable backrest portion having a front side and a back side, the backrest portion comprising: a U-shaped hollow tube pivotally attached at a pivot point between the side members in a position adjacent to the seat portion and at least partially covering the head end of the frame an elongated support member pivotally attached to the back side of the backrest portion; a plurality of teeth continuously disposed along a lower edge of the support member, the teeth selectively engaging the head end of the frame; a pair of telescopic legs extending downwardly from the corners on the foot end of the frame; and a pair of telescopic legs extending downwardly from the frame near the pivot point, the legs having a body and a foot, the body having an upper end and a lower end; a vertical adjustment mechanism disposed on the upper end of each of the legs, the vertical adjustment mechanism comprising: a hollow sleeve connected to and extending downwardly from the frame, the body slidable within the hollow sleeve at a body upper end and, in turn, slidable within a lower tube at the body lower end, the sleeve having a plurality of vertically aligned apertures along an outer edge of the sleeve, and a retractable protrusion disposed on an outside edge of the body upper end near the juncture, wherein the protrusion selectively engages the apertures, a locking mechanism disposed on the lower end between the protrusion and the foot, the locking mechanism comprising: a twist look compression fitting having a threaded section, wherein the threaded section is engaged with a threaded upper end of a lower sleeve whereby the compression fitting tightens and locks against the lower end of the body.