| 摘要 |
PROBLEM TO BE SOLVED: To easily and securely achieve caster exchange in a cold insulation chamber. SOLUTION: There is demountably mounted a caster assembly provided with a plurality of casters 15, 15,... on a lower surface of a cold insulation chamber body 1 in which a cold insulation chamber 5 provided, so that the casters 15, 15,... can be temporarily exchanged by removing only the caster assembly 4 with respect to the lower surface 1a of the cold insulation chamber body 1. For example, compared with prior art in which the respective casters 15, 15,... are removed one by one in order, removal work is rapid and easy, and hence the number of works in caster exchange work is correspondingly reduced, and further the operation cost of the cold insulation chamber is saved.
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