Patent ID: 8864633

Claim:
A compact portable leg exercise device, comprising: a base member positionable on a support surface; a top platform disposed above and generally parallel to the base member and configured to move axially relative to the base member, the top platform configured to receive a user's foot thereon during use of the leg exercise device; a resilient member interposed between the base member and top platform and extending about a central axis of the device; and a frame assembly fixedly coupled to and interposed between the top platform and base member, the frame assembly being co-axial with the resilient member, the frame assembly configured to move between an extended configuration and a collapsed configuration to facilitate axial movement of the top platform relative to the base member while inhibiting twisting of the top platform about the central axis, wherein in the extended configuration the top platform is supported solely by the resilient member and frame assembly, wherein during use a user can push with their foot on the top platform to move the top platform generally axially toward the base member and against a force exerted by the resilient member on the top platform during said motion, wherein the frame assembly comprises a plurality of hinged sections, each of the hinged sections comprising a pair of leaf members that fold onto each other when the frame assembly moves toward the collapsed configuration, a hinged portion of the hinged section is generally s-shaped, thereby allowing contact surfaces of the pair or leaf members to gradually contact each other as the frame assembly moves toward the collapsed configuration, thereby inhibiting noise generation during use of the exercise device.