Patent ID: 8079486

Claim:
A folding container having first opposite side walls which, when the folding container is in an assembled box form, are brought down firstly toward a bottom portion and second opposite side walls which are brought down secondly toward the bottom portion after the first opposite side walls have been brought down, the folding container being characterized in that a lock member comprising an operation portion and a lock bar is disposed on each of the first opposite side walls to be brought down firstly toward the bottom portion, and said operation portion being pivotally mounted in each of the first opposite side walls to be brought down firstly toward the bottom portion around a fixed pivot axis when said first opposite side walls are in an upright fixed position, using pivot pins pivotally supported within bearing holes, and to allow cancellation of a locked state between the lock member and each of the second opposite side walls to be brought down secondly toward the bottom portion, the operation portion is, when the lock member is in the locked state, pivotally moved around said fixed pivot axis upward or downward.