Treadmill with improved adjusting mechanism

Details Treadmill with improved adjusting mechanism Treadmill with improved adjusting mechanism

1987-11-16

1988-12-20

Apley, Richard J.

Undertaking

474 27, A63B 2306, F16H 912

Patent

active

047921340

ABSTRACT:
A speed adjusting mechanism for adjusting the speed of an endless belt of a treadmill includes a speed variable V-belt drive mechanism which has two pairs of cone-shaped discs mounted coaxially on a transmission shaft disposed between an output shaft of a motor and a driven shaft of the treadmill belt. Each pair of discs includes a fixed disc and a slideable disc adjacent to the slideable disc of the other pair of discs, and the slideable discs slide mutually upon lateral displacement of the transmission shaft. The transmission shaft is displaced laterally by a reversible motor through a crank mechanism and a gear mechanism including a sector gear. The slope of the belt is adjusted by another reversible motor through a gear mechanism including a sector gear.

REFERENCES:
patent: 2727398 (1955-12-01), Bowen
patent: 2969768 (1961-01-01), Grant
patent: 4502679 (1985-03-01), DeLorenzo

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