Vertical Platform lift instructional video. Harmar VPL 400.

A wheelchair lift, known as a platform lift, can be installed to overcome a step or vertical barrier. Vertical platform lifts can be installed on porches and inside garages.
The vertical platform lift is designed to safely lift you while remaining in your scooter, manual wheelchair, or powerchair so you can enter and exit your home. Available in multiple heights up to 14ft.