Exercise devices – Involving user translation or physical simulation thereof – Treadmill for foot travel
Patent
1998-09-25
2000-04-25
Richmon, Glenn E.
Exercise devices
Involving user translation or physical simulation thereof
Treadmill for foot travel
A63B 2100
Patent
active
06053849&
ABSTRACT:
The invention relates to improvement for the front pulley of a treadmill, wherein a positioning plate is disposed at each of both sides of the front end of a frame of a treadmill. A hole is located at the middle of the positioning plate, and a resilient body having hollow metal ring at its inner is sideways disposed in each hole. Shafts at both sides of the front pulley in cooperation are disposed in the inner holes of the metal rings of the resilient bodies. When the rear pulley at both side of the frame is integrated, while the running belt is assembled on the front and rear pulleys and is tightened, the front pulley keeps on a parallel with the rear pulley automatically because of the tightening effect of the running bell by the action of the two resilient bodies. Thus, the running belt continuously circulates around the front and rear pulleys smoothly, and instant idling between the front pulley and the running belt do not occur and increases the operation safety.
REFERENCES:
patent: 4635928 (1987-01-01), Ogden et al.
patent: 5431612 (1995-07-01), Holden
patent: 5447479 (1995-09-01), Gvoich
patent: 5688209 (1997-11-01), Trulaske et al.
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