Exercise devices – Involving user translation or physical simulation thereof – Stair climbing
Patent
1990-08-02
1992-08-18
Crow, Stephen R.
Exercise devices
Involving user translation or physical simulation thereof
Stair climbing
482 2, 474 88, A63B 2304
Patent
active
051394693
ABSTRACT:
An exercise machine and transmission for converting first and second rotary inputs into a single rotary output. The machine has a first input shaft, a second input shaft coupled to the first shaft, and a shell. The shafts are mounted to the shell on a common axis, and one-way clutches are disposed between the shell and each respective shaft. The torques of the first and second shafts in one rotational direction are combined in the shell for single output to a load.
REFERENCES:
patent: 3653273 (1972-04-01), Albertson et al.
patent: 4708338 (1987-11-01), Potts
patent: 4938474 (1990-07-01), Sweeney et al.
Hennessey Richard G.
Soliman Joseph A.
Werking Thomas L.
Burmeister Marshall A.
Crow Stephen R.
Zurn Industries, Inc.
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