Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1992-10-01
1993-04-06
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
482113, 482 37, A63B 2204
Patent
active
051999323
ABSTRACT:
A gymnastic apparatus has a frame made up of a hollow main brace and a support brace, a base brace upon which the main brace and the support brace are mounted, two hollow sliding rods parallel to each other and having top portions of a length extending out of the main brace, two oil pressure cylinders arranged in a parallel manner at the bottom of the main brace and provided with piston rods having top ends coupled with the bottoms of the sliding rods, a connecting tube in communication with the two oil pressure cylinders, an adjustment button for controlling the flow of fluid between the two oil pressure cylinders, two pedals fastened respectively to the bottoms of the sliding rods by means of shaft pins, and two hand grips fastened respectively to the sliding rods. The gymnastic apparatus provides an animated exercise of cliff climbing.
REFERENCES:
patent: 2079594 (1937-05-01), Clem
patent: 4958830 (1990-09-01), Huggins et al.
patent: 5007631 (1991-04-01), Wang
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