| 摘要 |
PROBLEM TO BE SOLVED: To prevent decline of cooling efficiency by blocking approach of an inflow object into a box body from which an insert is detached when inserting and removing the insert.SOLUTION: In the state where an insert 200 is absent inside a box body 100, a lid 11 closes the box body 100 in the state of being suspended from a first spindle 13 to attain a closed state. An opening/closing key 12 is turned toward an insertion direction by the insert 200 inserted to an insertion port 113, another end 164 of an arm member 16 is elevated on a guide surface 15 extending along the insertion direction as the opening/closing key 12 is turned, the elevated arm member 16 lifts one end part 181 of a lever member, and the lid 11 fixed to a lever member 18 is turned with the first spindle 13 as a center to attain an open state. |
