Exercise stair device

Details Exercise stair device Exercise stair device

1986-07-03

1988-02-23

Millin, V.

Undertaking

272 69, 272130, A63B 2306

Patent

active

047265817

ABSTRACT:
A novel exerciser which simulates the exercise obtained while climbing stairs includes a frame body, a fixed step, a handle member and a pair of shaft supporting stands. A chain sprocket assembly has parallel upper and lower drive shafts rotatably supported on the supporting stands, two pairs of sprockets mounted on the drive shafts, a pair of chains wound around the two pairs of chain wheels, and a plurality of equi-spaced movable steps connected to the chains. A speed reduction brake system makes use of the hydraulic resistance to apply a resistance force to reduce the speed of the chains. A control device regulates the resistance force being applied.

REFERENCES:
patent: 481565 (1892-08-01), Hunt
patent: 2042764 (1936-06-01), Birch
patent: 3497215 (1970-02-01), Harrison et al.
patent: 3592466 (1971-07-01), Parsons
patent: 4555108 (1985-11-01), Montetro

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