| 摘要 |
PROBLEM TO BE SOLVED: To provide a locking mechanism of an installation frame, a body and a glass door in a relatively simple structure and suppress fraudulent unlocking acts such as fraudulently opening the glass door from the body and fraudulently opening the body from the installation frame in a pinball game machine. SOLUTION: A locking unit 22 is assembled with a mounting frame 31 fixed to a front door 11, a hook connecting rod 32 assembled inside the mounting frame 31 and vertically moving by a cam disk 51 rotating corresponding to the rotation of a key 14 inserted into a cylinder lock 13, an energizing spring 33 for returning the hook connecting rod 32 to its original position, and movable plates 34-1 and 34-2 transmitting the restoring force of the energizing spring 33 to the hook connecting rod 32. The hook connecting rod 32 is provided with an outer frame hook 41 and a glass door hook 42. That is to say, this locking device is characterized in that the hook connecting rod 32, the outer frame hook 41 and the glass door hook 42 are integrally molded. The device can be applied to pinball game machines. COPYRIGHT: (C)2008,JPO&INPIT
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