US Patent 7481084 Foldable lock structure

A foldable lock structure includes an outer shell, an inner shell, a lock core, a lock case, a lock cover and a foldable lock rod set. The outer shell, the inner shell, and the lock core are all secured in the lock case and the lock cover. The lock core is secured in the inner shell. The lock case has a slidable anti-dust cover at the bottom thereof. The foldable lock set is connected to the outer shell and the lock cover in a rotatable manner.