Adjustable exercising step

Details Adjustable exercising step Adjustable exercising step

1990-06-11

1991-08-06

Apley, Richard J.

Undertaking

272144, 108 12, 108144, 297345, 297439, A63B 2200, A47B 900, A47C 320, A47C 1602

Patent

active

050370847

ABSTRACT:
A 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.

REFERENCES:
patent: 314831 (1885-03-01), Hardy
patent: 3586306 (1971-06-01), Reece et al.
patent: 4549767 (1985-10-01), Hampshire et al.
patent: 4624341 (1986-11-01), Lee
patent: 4950033 (1990-08-01), Anderson

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