Patent ID: 11944866
Assignee: LIFE FITNESS, LLC
Field: Furniture, games (Other fields)
Classification: CPC A | IPC A

Claim 0:
1. An exercise machine for performing a striding exercise motion, the exercise machine comprising:
a frame;
first and second pedal members;
first and second foot pads on the first and second pedal members, respectively, wherein the first and second foot pads are configured to move in respective elliptical paths during the striding exercise motion;
first and second rocker arms pivotably coupled to the frame, wherein the first and second pedal members depend from and pivot along with the first and second rocker arms relative to the frame;
an actuator configured to actively adjust and set a position of at least one of the first and second foot pads relative to the frame to thereby vary a shape of the respective elliptical path of said at least one of the first and second foot pads; and
a controller configured to electrically control the actuator to actively adjust and set said shape of the respective elliptical path of said at least one of the first and second foot pads,
first and second drank arms rotably coupled to a rear portion of the frame along a common crank axis, wherein the first and second crank arms rotate together and remain fixed relative to each other during the striding exercise motion; and
first and second rear link arms having a first portion that is pivotably coupled to a rear portion of the first and second pedal members, respectively, at a pedal-link arm pivot axis, the first and second rear link arms having an opposite, second portion that is pivotably coupled to the first and second crank arms, respectively, at a pedal-crank arm pivot axis,
the first and second rear link arms being configured to facilitate movement of the first and second pedal members relative to the first and second crank arms.