
A central coin collection receptacle having a locking and an unlocking mechanism utilizes a push-pull motion into a guide chute to provide a precise sequential operation for the opening and closing of a key-operated coin box. The opening procedure includes detecting for a full insertion of a key into the lock of the coin box, the fully unlocking of the coin box before the opening of a trap door in the coin box and a controlled opening of the trap door for releasing the coins. A reverse procedure...











