Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1997-10-16
1998-11-03
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
482 57, A63B 6916, A63B 2200
Patent
active
058301127
ABSTRACT:
This invention pertains to a foldable jogging simulator in which each of the ends of two corresponding C-shape joint-bar pedals set has an action crank which powers a gear plate. Each of these gear plates has a toothed chain which is linked to a small gear. The two small gears on both sides are connected to the same pivoted shaft, providing a coordinated action with the two joint-bar pedals set. Furthermore, since a retarding wheel is installed in the middle of the pivoted shaft, a retarding force of motion is created; and as the other end of the joint-bar pedals set is installed with a coaxial sliding wheel, which adjusts is position (up and down) due to the rotation of a threaded column, the accidental disconnection of two pedals set is prevented. Finally, the base of the slanted support bar at the front portion is pivotally connected to a horizontal bar in the front of the machine, and this allows the machine to be folded, reducing its size and facilitate storage or transportation.
REFERENCES:
patent: 4635928 (1987-01-01), Ogden et al.
patent: 5383829 (1995-01-01), Miller
patent: 5401226 (1995-03-01), Stearns
patent: 5407409 (1995-04-01), Tang
patent: 5593372 (1997-01-01), Rodgers
patent: 5685804 (1997-11-01), Whan-Tong et al.
Wang Leao
Wu Peter
Crow Stephen R.
Greenmaster Industrial Corp.
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