| 摘要 |
The lock can be used as a lock for an individual box, cabinet door or drawer where the objective is to keep guns, medicine, chemicals etc. secure from children. Only an individual whose finger it has been adjusted to can open the lock. The components of the lock include a machined hole where the finger is inserted which has a flanged front for attachment. The finger presses against a curved spring-loaded plate where the three tabs measure the thickness of the first three components of the index finger. (Corresponding to the three finger bones). The tabs are adjusted so when a downward and forward motion is made with the finger, the pins will align with the slots on the alignment plates and the lock will open. Thus the lock is as unique as the thickness and length of the individuals finger and due to the small size of a child's finger it is child proof.
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