Combination Locks and Their Types
A combination lock is a kind of locking device in which a sequence of symbols, usually numbers, is used to open the lock. Combination locks utilize a combination of numbers or symbols in order to get them open. They do not use a key like other types of locks. A combination of numbers or symbols are entered into the through the use of a single rotating dial or several rotating discs that directly interact with the locking mechanism of the device. After the correct sequence of numbers or symbols is entered, the lock opens. There are several types of combination locks available today. These are: Multiple-dial locks The multiple-dial lock is considered one of the least secure locks available in the market. They are usually used in low-security situations, such as securing a bicycle. They are built using several rotating discs with notches cut unto them. A pin with several teeth is inserted into the lock to secure it. When the discs are rotated and the notches align with the tee...