Mechanism of a stepping device

Details Mechanism of a stepping device Mechanism of a stepping device

1993-09-13

1994-08-09

Crow, Stephen R.

Exercise devices

Involving user translation or physical simulation thereof

Stair climbing

482903, A63B 2304

Patent

active

053361431

ABSTRACT:
A improved mechanism of a stepping device includes a pedal mechanism constructed by a parallelogram which facilitates the pedal remains at a horizontal position at all levels. A trasnaxle is rotated as the pedal is stepped down and a gear and an actuating gear are used to connect a load adjusting device. Then a predetermined load can be applied to the pedal as it moves down. A one-way bearing is disposed inside the bushing of the transaxle, hence the pulley disposed thereof can rotate bi-directionally. A pulling rope and a spring are used to pull up the pedal which moves to a lower dead point. While the inertia of the gear and actuating wheel will make it moves continuously. By this arrangement, a smooth and continuous stepping device is provided.

REFERENCES:
patent: 4708338 (1987-11-01), Potts
patent: 4720093 (1988-01-01), Del Mar

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