US Patent 9265340 Article of furniture and method of stacking the same

An article of furniture includes a structure having a surface that supports a weight. The surface may be tiltable from a first position in which the surface is flat or substantially horizontal and a second position in which the surface is substantially vertical. At least one leg rotating mechanism may attach at least one leg of the article of furniture to the surface so that the at least one leg is rotatable about a vertical axis when the surface is tilted. In some embodiments, the article may be a table and the surface may be a tabletop. In other embodiments, the article may be a chair and the surface may be a seating surface of a seat.