Undertaking
Patent
1990-08-13
1991-12-31
Apley, Richard J.
Undertaking
272130, A63B 704
Patent
active
050765744
ABSTRACT:
A portable, stable motorless rope-climbing exercise machine comprises a stable support frame, a plurality of rope pulleys and rope guides mounted on the frame, an endless rope extending around the pulleys and guides to form a path which includes a vertically extending rope climbing portion, and hydraulic braking assembly coupled to the pulley system for controlling the rate of movement of the rope based upon the weight of the user when said user is climbing the rope.
REFERENCES:
patent: 3599974 (1971-08-01), Price
patent: 3782718 (1974-01-01), Saylor
Apley Richard J.
Richman Glenn E.
Spivak Joel F.
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