STORAGE DEVICE

PROBLEM TO BE SOLVED: To improve easiness of arrangement of a storage device in a housing.SOLUTION: A storage device holds a stored body stored in a stored body storage part provided in a housing, and discharges the stored body from the stored body storage part. The storage device comprises; a movable member which is arranged in the housing to be movable in a storage direction and a discharge direction of the stored body, and includes a stored body engagement part which engages with the stored body stored in the stored body storage part; a first elastic member which is arranged by being shifted with an axis of the stored body stored in the stored body storage part and energizes the movable member in the discharge direction of the stored body; a holding member which varies an aperture diameter of a stored body insertion port of the stored body storage part, holds the stored body, and allows discharge of the stored body; and a second elastic member which energizes the holding member in a direction for narrowing down the aperture diameter of the stored body insertion port.