Patent References 314831 3586306 Adjustable foot support Elevatable stool construction Portable stool with weight distribution flange Patent #: 4950033 InventorApplicationNo. 535831 filed on 06/11/1990US Classes:482/52, Stair climbing108/12, Reorientatable support108/147.2, And pivoting297/423.45, Rectilinearly in vertical direction482/142SUPPORT FOR ENTIRE BODY OF USER (E.G., BENCH, SLANT BOARD, ETC.)ExaminersPrimary: Apley, Richard J.Assistant: Horowitz, Karen G. Attorney, Agent or FirmInternational ClassesA63B 022/00A47B 009/00 A47C 003/20 A47C 016/02 AbstractA step for performing exercises is circular to allow approaches from any direction equally. The step has a base member and a platform member, the platform member being selectively movable with respect to the base. The base has a plurality of grooves, and the platform has a plurality of tongues to be received in the grooves. There are grooves of different depths so that, by selecting the proper grooves for the tongues, the height of the platform can be changed. An elastic may hold the base and platform together while allowing adjustment.Field of SearchPADDED STOOLReorientatable support Alternately usable legs PLURAL RELATED HORIZONTAL SURFACES Nested or stacked units Vertically adjustable Removably mountable in plural positions Interlocked with surface configuration of support Terraced Vertically adjustable ADJUSTABLE Vertically To plural distinct increments Adjustable vertically Adjustable vertically Notch or cavity engaging latch Notch or cavity-engaging retainer | |