COLLAPSIBLE STAIRCASE, NOTABLY FOR A VEHICLE SUCH AS AN AIRCRAFT

摘要

This collapsible staircase is provided with a set of flat parts ( 6 ) each intended to function as steps. Each flat part ( 6 ) can be moved between a first position and a second position. All the flat parts ( 6 ) are substantially coplanar when they are in their first position, and are disposed one above the other and at a distance from one another when they are all in their second position. Advantageously, a retractable holding handle ( 44 ) is also provided and driven in movement together with the flat parts ( 6 ).