A wheelchair lift for a vehicle has a parallelogram support for {HEAD ~ a platform} foldable on a horizontal axis and hinged on {TAIL ~ a vertical axis} 
hinged on
A wheelchair lift for a vehicle has a parallelogram support for { HEAD ~ a platform } foldable on a horizontal axis and hinged on { TAIL ~ a vertical axis }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL