| 摘要 |
PURPOSE:To detect the inclination and inversion states of a load by a simple mechanism by storing a reaction liquid and a medium in a container, and allowing the medium to show a color by contacting the reaction liquid when the container is slanted or inverted. CONSTITUTION:When the container 1 is slanted, part 3a of litmus paper is dipped in alkali liquid 2 to turn red or blue. In this case, the area of said dipped part 3a is larger and larger as the container 1 is slanted more and more, so that the coloring part of the litmus paper 3 increases. For the purpose, the coloring part 3a of the litmus paper 3 is observed to know how much the container 1 is slanted or inverted. Then, the container 1 is fitted to the load, etc., to be transported and the container 1 is slanted or turned over when the load is slanted or turned over, thereby detecting whether or not the load has a change in attitude such as slanting and inversion during its transportation and its extent when so.
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