| 摘要 |
PROBLEM TO BE SOLVED: To provide a self-elevation type curing device capable of smoothly performing elevation of a curing net. SOLUTION: Right and left side parts of a curing net 101 are supported by two side rails 102. The curing net 101 is installed on the side rails 102 by a net installing mechanism 103 to be freely tensed and loosened. The side rails 102 are composed to be capable of elevation by an elevation mechanism 104 comprising a winch 142 and a wire 141. The winch 142 is detachably installed onto a beam B. A guide member 105 to separately guide each side rail 102 is installed having a specified interval to a columella C of a skeleton.
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