Baggage cart with stair climbing ability

摘要

A baggage cart with two wheels 5 and three-stage extendable and retractable arms (1) has a pair of runners (6) pivotably connected to the arms (1), to make smooth the movement of the cart over stair steps. A strut 8 is releasably engaged with catches 9 or 10 on the arms to vary the position of the runners 6. IMAGE