×

Exercise methods and apparatus with elliptical foot motion

  • US 6,949,054 B1
  • Filed: 06/23/2004
  • Issued: 09/27/2005
  • Est. Priority Date: 06/26/2003
  • Status: Expired due to Fees
First Claim
Patent Images

1. An exercise device, comprising:

  • a frame configured to rest on a floor surface;

    first and second left rails pivotally mounted on the frame;

    a left floating link pivotally interconnected between the left rails to define a left four bar linkage that maintains the left floating link in a fixed orientation relative to the frame;

    a left foot support movably mounted on the left rails for movement along the left rails without changing orientation relative to the frame;

    first and second right rails pivotally mounted on the frame;

    a right floating link pivotally interconnected between the right rails to define a right four bar linkage that maintains the right floating link in a fixed orientation relative to the frame;

    a right foot support movably mounted on the right rails for movement along the right rails without changing orientation relative to the frame;

    a left crank and a right crank, wherein each said crank is rotatably mounted on the frame;

    left and right first moving means interconnected between a respective said crank and a portion of a respective said four bar linkage that moves relative to the frame, for moving respective said rails relative to the frame; and

    left and right second moving means interconnected between a respective said crank and a respective said foot support, for moving said foot support relative to respective said rails.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×