Patent ID: 7698913

Claim:
A complex lock comprising a housing having multiple checking holes formed through the housing and corresponding to a number core, said number core mounted inside the housing; a key cylinder mounted inside the housing adjacent to the number core; a lower pushing seat mounted inside the housing and connected to the key cylinder; an upper pushing seat slidably mounted inside the housing, connected to the lower pushing seat and having a driving end; a side wall; a holding end; and a locking hole formed in the holding end of the upper pushing seat; a bolt having a connecting end connected to the number core; and a locking end extending out of the housing and selectively engaging to the locking hole of the upper pushing seat; and a number detector slidably mounted in the housing, connected to the lower pushing seat and having a key cylinder side; a number core side; multiple forks formed on the number core side of the number detector and extending toward the number core and having ends and holes formed through the ends of the forks.