Linkage structure of a treadmill

Details Linkage structure of a treadmill Linkage structure of a treadmill

2007-12-11

2007-12-11

Crow, Stephen R. (Department: 3764)

Exercise devices

Involving user translation or physical simulation thereof

Stair climbing

C482S054000

Reexamination Certificate

active

10836215

ABSTRACT:
A linkage structure of a treadmill, including a frame assembly and two tread board racks pivotally disposed on the frame assembly side by side. Two buffering cylinders are disposed between the tread board racks and the frame assembly. Two support arms are respectively pivotally connected with the tread board racks and slidably mounted in the frame assembly. The support arms are respectively pivotally connected with two linkages. Two ends of the two linkages distal from the support arms are respectively pivotally connected with two ends of a linking rack. The linking rack is pivotally mounted in the frame assembly. Via the support arms, the linkages and the linking rack, the side by side arranged tread board racks are drivingly connected with each other to move in reverse directions.

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