POLE-TRAILER Russian patent published in 2001 - IPC

FIELD: automotive industry; road vehicles; pole-trailers for carrying pipes, timber and other long-cut loads. SUBSTANCE: proposed pole-trailer has frame and wheeled two axle balance truck. Bunk 13 is secured on frame by means of vertical axle 12. Bunk has carrying beam arranged in interwheel space, and pole 3 whose front end is provided with coupling loop. Counterweight 4 is mounted on projecting rear end of pole. Counterweight is provided with lifting/lowering mechanism operated owing to longitudinal displacement of pole relative to frame. Longitudinal axis of bunk carrying beam is located with displacement relative to axis of balance truck towards axis of rear wheel. Spacer wheel is used as counterweight. Pole is provided with mechanism for its locking on frame of pole-trailer made in form of through holes 27 in pole body and pins fitted in holes. Rear projecting part of pole has cross beam with fitted-on signal lights. Light supply wire boundle is laid inside pole. EFFECT: simplified design, reduced metal usage load on coupling unit. 4 cl, 3 dwg