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US 8,944,966 B2Granted
Variable stride exercise device
AssigneeLarry D. Miller Trust
InventorLarry D. Miller
Life of this patent
Estimating the term…
Abstract
An adaptive exercise device includes a frame which supports swing arms which provide for horizontal motion of associated foot links. A crank system provides for vertical motion of the foot links and is movable relative to the frame. The vertical and horizontal motions of the foot links are mechanically decoupled and may be blended to approximate a desired foot path. The movable crank system causes the foot path to correspond to a natural running action.
Claims7
An exercise device comprising:
- a frame configured to be supported on a horizontal surface;
- a first and a second swing arm pivotally supported on said frame so as to reciprocate relative thereto;
- a first and a second foot support link, each foot support link being configured to support a user's foot thereupon, each foot support link being pivotally connected to a respective one of said first and second swing arms so that when said swing arms reciprocate relative to said frame, they each cause their respective foot support link to move in a path of travel having a substantially horizontal component of motion;
- a crank system which is mechanically coupled to said first and second foot support links, and is operative to move said foot support links in a path of travel having a substantially vertical component of motion, said crank system being movable relative to said frame so that a center of rotation thereof can move in a reciprocal path of travel relative to said frame.
1 more element
Dependencies are inferred from the claim text.