| 摘要 |
PURPOSE: A key with a dual lock apparatus provided with a dual lock apparatus is provided to previously protect the burglar by employing the dual lock apparatus with four digit windows of the auxiliary locking device. CONSTITUTION: A key with a dual lock apparatus includes an insertion part(1) and a holding part(2), wherein the key further includes an auxiliary locking device(3) formed between the insertion part(1) and the holding part(2), the auxiliary locking device(3) is provided with an auxiliary insertion part(4) and a number plate(5), a number of protrusions made of elastic material are formed on the inside of the auxiliary locking device(3) and a number of grooves are formed on a corresponding insertion part(4).
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