| 摘要 |
PROBLEM TO BE SOLVED: To provide a river traversing transport boat system capable of safely and quickly reciprocatably traversing a river and a sandbank, regardless of a river state, when transporting persons and commodities to a river opposite bank and the sandbank by a river boat.SOLUTION: A river boat A linked by three operation ropes 6, 7 and 8 started by binding from two sets of pulley assemblies K connected on a river traversing rope 1 installed on both banks, is floated on the downstream side of the river traversing rope 1, and is made vertically-laterally movable on a river water surface by executing operation for extending-shortening the operation ropes 7 and 8 connected to board side surface linking tools 10 and 11 as the front rope 6 center, and river traverse transport is made possible while avoiding an obstacle.SELECTED DRAWING: Figure 3 |
