Undertaking
Patent
1986-10-09
1988-10-11
Apley, Richard J.
Undertaking
272DIG4, A63B 2306
Patent
active
047765828
ABSTRACT:
An exercise treadmill in which the slope of an endless belt is varied by changing the height of one end of a base frame by means of a swing frame having a vertically adjustable pivot axis. The swing frame is movable from an active treadmill supporting position to an inactive condition where the pivot axis can be changed.
REFERENCES:
patent: 4344616 (1982-08-01), Ogden
Apley Richard J.
Gubernick Franklin L.
M & R Industries, Inc.
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