At the heart of a Lifter is the Carriage and it can be operated upside down. In this configuration the Fulcrum Points have been moved to the top of the Carriage and the Tilt Assist Assemblies to the bottom. When the Carriage moves through a tilt cycle the fulcrum positions at the top of the Carriage will be raised alternately along the Vertical Support. This design of a Lifter has the same force requirements as the upright design, but provides an added benefit, the Carriage swings back after a tilt. Applying a rhythmic tilting force to the Carriage will provide enhanced movement of the Carriage up the Vertical Support. Any of the before mentioned Lifter models can be configured in this manner. (The exception may be the Screw Lifter. )