US Patent 9681746 Platform on desktop with elevation function

Disclosed is a platform on desktop with elevation function, including a primary desktop, a primary desktop, an elevation assembly securely mounted to the primary desktop, and a secondary desktop securely mounted to the elevation assembly. The elevation assembly includes opposite arranged first and elevation frames. A positioning assembly includes a positioning member having spaced positioning holes to selectively receive an end of an upper guide pin mounted to a bar of the elevation assembly. A pull handle assembly is rotatably coupled to the positioning member for selectively disengaging the upper guide pin from the positioning member so as to allow the elevation frame to raise or lower down.