Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1991-02-22
1992-06-02
Mancene, Gene
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
248346, 211175, 182 46, 108144, A63B 500
Patent
active
051180952
ABSTRACT:
A step for performing exercises is polygonal or circular to allow approaches from any direction equally. The step has a base member and a platform member, the platform member being selectively adjustable with respect to the base. The base member has lands equally spaced around the base member at different heights, and the platform member has shoulders equally spaced around the platform member to be received on the lands. By selecting the proper lands for the shoulders, the height of the platform can be changed. Also, the platform member may be used without the base member for a lower height step. Preferably there are five shoulders and five lands in each group of lands for stability of the platform.
REFERENCES:
patent: 314831 (1885-03-01), Hardy
patent: 2496758 (1950-02-01), Tingley
patent: 3586306 (1971-06-01), Reece et al.
patent: 4046348 (1977-09-01), Goodwin
patent: 4159826 (1979-07-01), Hancock
patent: 4549767 (1985-10-01), Hampshire et al.
patent: 4624341 (1986-11-01), Lee
patent: 4852691 (1989-08-01), Bruno
patent: 4950033 (1990-08-01), Anderson
Mancene Gene
Middleton James B.
Thomas L.
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