| 摘要 |
PROBLEM TO BE SOLVED: To provide a ladder for building unit capable of allowing a user to climb up/down a building unit in a stable state while improving the workability.SOLUTION: A ladder 20 is a ladder for building unit which is used for climbing up/down a building unit. The ladder 20 includes: a ladder body 23; an upper attachment 30; and a lower attachment 40. The upper attachment 30 has an upper plate 33 which comes into contact with an upper plane of a ceiling girder and a hook 37 which is fixed to the ceiling girder in a state of being inserted into a through hole formed in a side face of the ceiling girder. The lower attachment 40 has a magnet chuck 43 which comes into contact with a side face of a floor girder and holds the contact state.SELECTED DRAWING: Figure 1 |
