| 摘要 |
<p>A lock mechanism for a hook in which a premium suspended in a hook can be taken out at a predetermined drop position within a casing is provided. The mechanism comprises a base member (40), a hook (10) fixed to the base body (40), and a lock portion (20) for closing an open portion in the hook (10) at the portion other than the predetermined drop position, the lock portion (20) comprises a support point portion (21) axially supported to the base body (40), a rotating piece (22) capable of rotating to both of normal and inverse directions around the support point portion (21) and an operating portion (50) for rotating the rotating piece (22), and the rotating piece (22) is structured such that an end portion thereof is brought into contact with the hook (10) at the position other than the predetermined drop position and at the predetermined position, the rotating piece (22) is rotated so that the premium (60) can move.</p> |
