12/27/2023 0 Comments Combination lockMost electronic locks allow the user to set the combination.Ĭombination locks can not be picked (as long as there is no key backup), and the user does not have to carry a key. Most safe locks do not have a key backup, as a key backup can be picked. There is sometimes a key backup in case the batteries die or the electronics fail. These locks require batteries or another source of electricity. This type of lock is popular on safes and doors, but is almost never seen on padlocks. When the number is entered, a motor opens the lock. The combination is entered one number at a time, like a telephone number. The electronic combination lock uses a keypad that looks similar to a telephone keypad. The combination is usually set at the factory and can not be changed easily (if at all).Īn electronic keypad combination lock Electronic keypad lock It is available for entry doors, but is not popular due to the amount of time required to enter the combination. This type of lock is popular on safes and padlocks. The lock is usually opened by rotating the dial clockwise to the first number, counterclockwise past the first number and to the second number, and clockwise to the third number (some locks use the reverse directions, and most safe locks require a return to 0 after entering the combination). A notch on the second disc in turn rotates the first disc. The last disc is connected directly to the dial, and a notch on this disc rotates the second disc. The mechanical combination lock usually has three discs inside. Electronic combination locks usually have a keypad where the combination can be entered like a telephone number. Mechanical combination locks usually have a dial that is rotated to three different numbers (four numbers on some safe locks) to open the lock. A combination lock is a lock that is opened with a set of secret numbers instead of a key.
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