| 摘要 |
PROBLEM TO BE SOLVED: To provide an emergency evacuation device for a heavy vehicle that can secure compact storage when not in use and is expected to substantially improve evacuation function for the heavy vehicle.SOLUTION: In the emergency evacuation device for a heavy vehicle, three evacuation device units, which are attachable and detachable to the tread of a double tire and comprise a frame 6 made of a metal member, an approximately rectangular spike 7 and a connection beetle 10 for connecting a pair of vertical frames in an intermediate position in a longitudinal direction, are arranged and rotatably connected so as to form an evacuation device body to be three-folded. The evacuation device body with a chain member is arranged in a circumferential direction of the tread of the double tire so that the three evacuation device units are in a line, and hook members of third chain members are latched and fastened so that the third chain members are pulled and fastened by a turnbuckle-like fastener. |
