Patent ID: 9392870
Filing Date: 2016-07-19
CPC Classification: A47B

Claim Text:
1. A height-adjustable support for supporting items above a user's lap while seated or reclining, comprising: a bottom panel adapted to rest on a seated user's lap; a top panel with at least one upward-facing rest configured to support electronic devices for use above the seated user's lap; a four-bar linkage with one or more connected axles supporting the top panel above the bottom panel for movement between different height-adjusted positions while maintaining a desired horizontal orientation of the top panel; and a lock engaging one or more of the bottom panel, the top panel, and the linkage for fixing a selected one of the height-adjusted positions; wherein the four-bar linkage includes U-shaped bent-wire links, each having a pair of parallel legs forming portions of the four-bar linkage.