FERRY-BRIDGE CROSSING MACHINE Russian patent published in 1996 - IPC

FIELD: construction; crossing through obstacles. SUBSTANCE: machine has transport facility 1, pontoon 2 located on deck and articulated with transport facility by means of levers 3 and locking device which consists of catcher 4, stop 5 and locking pin 6. Catcher 4 is secured on deck of transport facility on side of nose of machine and is provided with swivel stop engageable with stop 5 of pontoon 2 at moment of loading and slot. Swivel stop is provided with projection engageable with slot of catcher 4 when pontoon 2 is in transport position and with hole coaxial relative to holes of catcher 4 and stop 5 of pontoon 2 when they are in working positions. EFFECT: enhanced reliability. 6 dwg