US Patent 11833383 Pilates reformer

An exercise machine that includes an elongated frame having a head end and a foot end, and a moveable carriage slidably coupled to the frame and moveable between the head end and the foot end, the moveable carriage having a spring bracket coupled to an underside of the moveable carriage. The exercise machine also includes a spring support rod slideably coupled with the frame and disposed adjacent the foot end, and selectively positionable with reference to the foot end by a handle that extends from an interior area of the frame to an exterior area of the frame. The exercise machine also includes at least one resistive member coupled at a first end with the spring support rod and at a second end with the spring bracket, and configured to bias the moveable carriage towards the foot end of the frame.