| 摘要 |
PROBLEM TO BE SOLVED: To surely prevent an illegal unlocking by illegaly moving a hook member with a wire or the like to unlock. SOLUTION: This locking device 8 for pachinko game machine is provided with a cylinder lock 15, a plurality of hook members containing first and second hook members 21 and 23, a key unlock transmission mechanism and a first transmission cutting mechanism. The cylinder lock 15 is installed on the front frame of the pachinko game machine and operated to be unlocked by a special key. The individual hook members 21 and 23 are provided on the front frame and respectively retained on or separated from a plurality of receiving metals provided on an outer frame of the pachinko machine. The key unlock transmission mechanism transmits the action of the cylinder lock 15 in response to the unlocking operation of the special key to all the hook members 21 and 23 to be separated from the receiving metals. The first transmission cutting mechanism cuts the transmission of the action of the hook member 21 responding to the unlocking operation for the first hook member 21 to at least one hook member (the second hook member 23) left out of the unlocking operation.
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