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US 8,801,580 B1Granted
Exercise methods and appatatus
OwnerJoseph D Maresh, Kenneth W Stearnsinventors
Life of this patent
Estimating the term…
Abstract
An exercise apparatus links rotation of a crank to generally elliptical motion of a foot supporting member. A foot supporting linkage is movably connected between a rocker and a crank in such a manner that the foot supporting member moves through paths of motion which are fixed, adjustable or variable.
Claims10
A variable motion exercise apparatus, comprising:
- a) a frame designed to rest upon a floor surface;
- b) a left crank and a right crank, wherein each said crank is mounted on a respective side of said frame and rotatable about a common crank axis;
- c) a left handle bar rocker and a right handle bar rocker, wherein each said handle bar rocker is mounted on a respective side of said frame and rotatable about a common handle bar rocker axis;
- d) a left foot support and a right foot support, wherein each said foot support is movably connected between a respective said handle bar rocker and a respective said crank;
- e) a left drawbar and a right drawbar pivotally connected to a respective left drawbar rocker and a respective right drawbar rocker, wherein each said drawbar rocker is pivotally connected to said frame at a first pivot axis, and wherein each said drawbar is movably interconnected between said frame and a respective said crank in such a manner that a foot supporting portion of each said foot support is constrained to move through a generally elliptical foot path as a respective said crank rotates;
- f) a left foot path adjustment linkage and a right foot path adjustment linkage defining a movable second pivot axis, each said foot path adjustment linkage interconnecting a respective said handle bar rocker to a respective said drawbar rocker;
- g) an actuator secured to said frame, wherein activation of said actuator adjusts the distance between said first pivot axis and said second pivot axis to alter a respective foot path;
- and
- h) a control link interconnecting each said foot path adjustment linkage to said actuator.
6 more elements
Dependencies are inferred from the claim text.