Patent ID: 7507186
Filing Date: 2009-03-24
Classification: A63B

Abstract:
1. An elliptical motion exercise apparatus, comprising: a frame configured to rest on a floor surface; a left crank and a right crank, wherein each said crank is rotatably mounted on the frame; a left drive link and a right drive link, wherein each said drive link has a forward end, a rearward end, and an intermediate portion disposed therebetween, and each said forward end is rotatably coupled to a respective said crank; a left rocker link and a right rocker link, wherein each said rocker link is rotatably mounted on the frame at a common pivot axis; a left reciprocating link and a right reciprocating link, wherein each said reciprocating link has a forward end rotatably coupled to a lower portion of a respective said rocker link, a rearward end constrained to move in reciprocal fashion relative to the frame, and an intermediate portion rotatably coupled to the intermediate portion of a respective said drive link, and the left reciprocating link and the left drive link cooperate to define a left linkage, and the right reciprocating link and the right drive link cooperate to define a right linkage; and a left foot link and a right foot link, wherein each said foot link has a forward end rotatably coupled to a lower portion of a respective said rocker link, and a rearward, foot supporting end movably supported on a respective said linkage.