The present invention relates to a container space is adjusted , the upper opening is formed in the accommodating space inside and that body portion, is located inside the compartment by means of embarkation drop down base plate and is positioned on a lower surface of the base plate including means for elevating to selectively adjust the height of the base plate , the floor level of the container a to be freely adjusted so , there is an effect that can easily take out the contents in the container located close to the entrance . ; 展开▼