Package with lock mechanism

1. A package with lock mechanism, comprising:

a package body to be slidably inserted into a cage and to be releasably locked by the cage;

a slide member that is slidably attached to the package body, the slide member allowing the package body to be released from the locking by the cage when the slide member is slid to a predetermined position; and

an operation lever that is rotatably attached to the package body;

wherein the operation lever allows the slide member to slide to the predetermined position while engaging to the slide member.

2. The package with lock mechanism according to claim 1 , wherein:

the operation lever is turned to a direction to extract the package body when the operation lever is rotated until the slide member is slid to the predetermined position.

3. The package with lock mechanism according to claim 1 , further comprising:

a spring that is provided between the package body and the operation lever, the spring energizing the operation lever to rotate to the package body side such that the operation lever is folded.

4. The package with lock mechanism according to claim 1 , wherein:

the package body includes a retention member to retain the operation lever in state of being folded.

5. The package with lock mechanism according to claim 1 , further comprising:

a spring that is provided between the package body and the operation lever, the spring energizing the operation lever to rotate such that the operation lever is unfolded; and

a retention mechanism to retain the operation lever to the package body against the energizing force of the spring.

6. The package with lock mechanism according to claim 5 , wherein:

the retention mechanism comprises a projection that is retractably attached to the package body.