Lock device for game machine

A lock device adapted to be mounted in a game machine, the game machine including a main housing that is formed with a plurality of engagement slots spaced apart from each other in a top-bottom direction, each of the engagement slots being elongated in the top-bottom direction, the game machine further including a window panel that is pivotally connected to the main housing, said lock device comprising:

• a lock unit including
• a lock seat that is adapted to be fixed to the window panel,
• a lock cylinder that is rotatably connected to said lock seat, that is adapted to extend perpendicularly through the window panel, and that has opposite front and rear ends adapted to be respectively disposed within and outside of the main housing, and
• an actuating plate that is fixed co-rotatably to said rear end of said lock cylinder, and that extends perpendicularly from said lock cylinder;
• and
• an engaging unit including
• an extension plate that is adapted to be connected to the window panel, and that is adapted to slide upwardly and downwardly relative to the window panel,
• a guide plate that extends from said extension plate, that is adapted to be parallel to the window panel, and that is disposed over said actuating plate, and
• a plurality of hooks that are connected to said extension plate, that are adapted to extend perpendicularly away from the window panel, and that are adapted to engage respectively and removably with the engagement slots to lock the window panel to the main housing, each of said hooks having an inclined guide surface that faces away from and is inclined relative to said extension plate;
• wherein when said lock cylinder rotates, said actuating plate is driven to rotate to move said guide plate and said hooks upwardly so that said hooks are allowed to be disengaged from the engagement slots to unlock the window panel from the main housing;
• and
• wherein said inclined guide surface of each of said hooks is adapted to be in sliding contact with the main housing to consequently move said extension plate upwardly when the window panel is pivoted to be locked to the main housing.