US Patent 10271642 Desk with combinative work surfaces

A desk includes a base and a plurality of work surface assemblies mounted on the base. The base has a shaft and two stand connected to opposite ends of the shaft. Each of the work surface assemblies has a board and a leg having opposite ends connected to the board and the shaft of the base respectively. The shaft has a plurality of shaft sections connected in series. Whereby a user may pick a predetermined number of shaft sections in serial connection according to a number and a pattern of the work surface assemblies to be mounted on the shaft.