Container with auto-opening lid

A container with an auto-opening lid comprising a container main body having a take-out port for a content, a lid attached to the container main body so as to open and close the take-out port, a lid urging device interposed between the container main body and the lid for urging the lid in an opening direction, and an operation member attached to the container main body in the state that the operation member can be operated between a close position at which it is meshed with the lid and keeps the lid in a closed state against the lid urging device and an open position at which the operation member is released from the lid meshed therewith, wherein:

• a locking member is attached to the operation member, the locking member being movable between a locking position and a release position, when the locking member is at the locking position, the locking member is meshed with a lid that is in the closed state and the locking member is abutted against a locking surface of the container main body, thereby to make it impossible for the operation member to be operated from the close position to the open position, and
• when the locking member is at the release position, the locking member is separated from the lid that is in the closed state and from the locking surface of the container main body and permits the operation member to be operated from the close position to the open position, and
• wherein an operation surface, which is exposed to an outside surface side of the container main body, is formed to the operation member, and the locking member is disposed so as to be movable between the locking position and the release position on a back surface side of the operation surface,
• wherein the operation member is disposed so as to move from the close position to the open position by depressing the operation surface, and the locking member is disposed so as to move between the locking position and the release position in the state that it is supported by the operation member as to the direction in which the operation surface is depressed, and
• further wherein a guide surface, which is in contact with the locking member, is formed on the back surface side of the operation member as well as a spring portion, which protrudes from the guide surface and urges the operation member to the close position, is disposed to the back surface side thereof, and the locking member is supported so as to be slidable between the locking position and the release position while being in contact with the guide surface by being inserted into a first groove portion formed in the spring portion.