Pride Lifts & Ramps’ single-fold ramps offer a reliable solution for transitioning curbs, thresholds and other obstacles. They are available in several different lengths and can accommodate a weight capacity of 272kg (600lbs.). Additionally, lightweight single-fold ramps are easily portable, making them ideal for home and travel.
http://www.pridemobility.com.au/index.cfm/products/lifts-ramps/sp/single-fold-ramp/