Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1996-12-09
1997-10-14
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
A63B 2204
Patent
active
056766238
ABSTRACT:
A step exerciser including a base frame having a support, an adjustable wheel holder mounted in the support and holding a pulley, two rockers pivoted to the support at two opposite sides, two pedals having a respective front end respectively pivoted to the rockers, two hydraulic cylinders bilaterally pivoted to the base frame at the rear side, two guide rods pivotably connected between the pedals and the piston rods of the cylindrical cylinders, two links pivotably connected between the piston rods of the hydraulic cylinders and the rockers, and two actuating rods respectively turned about the connections between the links and the piston rods of the hydraulic cylinders and pivotably connected between the opposite sides of the support and two opposite ends of a steel cable, which is mounted on the pulley.
REFERENCES:
patent: 4934688 (1990-06-01), Lo
patent: 4934690 (1990-06-01), Bull
patent: 5076572 (1991-12-01), Wang
patent: 5232421 (1993-08-01), Chen
patent: 5308301 (1994-05-01), Chiarello
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