AIR-CUSHION CONSTRUCTION Russian patent published in 1995 - IPC

FIELD: construction equipment. SUBSTANCE: air-cushion construction has enclosure with concentric annular hoses interconnected via soft branch pipes with air ducts provided with loop-shaped braces. and is further provided with telescopic hollow pole, whose upper link is made in the form of pump, and members for limiting enclosure shape composed of cables with loop-shaped braces. Cables are attached along annular hoses and air ducts. Air ducts are uniformly distributed over enclosure inner surface and are formed as epicycloids. Upper annular hose of enclosure is communicated with pole upper link cavity via valve unit through branch pipes. EFFECT: wider operational capabilities, increased efficiency by using it in difficult relief and climatic conditions and reduced power consumption by absence of special air supply system. 4 cl, 5 dwg