To provide a drawer mechanism for not making a shelf plate incline to the left and right to a pull-out direction at the time of pulling out the shelf plate even in the case of holding the left and right of the shelf plate by a slide mechanism provided with an intermediate.

The rod of an actuator 4 is projected and engaged with the intermediate 32a at the time of starting a pull-out operation. When the intermediate 32a is slid to a slide limit position to a guide rail 33a, the rod 41 is stored and engagement with the intermediate 32a is released.