Exercise machine height adjustment foot

Details Exercise machine height adjustment foot Exercise machine height adjustment foot

1990-02-20

1991-10-22

Crow, Stephen R.

Undertaking

2481882, A63B 2306

Patent

active

050588818

ABSTRACT:
An apparatus for elevating an object to a selectable preset height, which comprises the use of a set of feet mounted off-center on an axle. The feet may be rotated to provide a set of unique, selectable preset heights, and is particularly useful for changing the slope of a treadmill type exercise machine.

REFERENCES:
patent: 2281769 (1942-05-01), Hochriem
patent: 3338539 (1967-08-01), Foster
patent: 4068815 (1978-01-01), Losert
patent: 4591147 (1986-05-01), Smith et al.
patent: 4729558 (1988-03-01), Kuo
patent: 4749181 (1988-06-01), Pittaway et al.
patent: 4759540 (1988-07-01), Yu et al.
patent: 4776582 (1988-10-01), Ramhorst
patent: 4792134 (1988-12-01), Chen

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