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  2. Sentry Group - Wikipedia

    en.wikipedia.org/wiki/Sentry_Group

    A SentrySafe safe; requires a combination and a four-way key. SentrySafe is a brand of safes manufactured in Rochester, New York.It is owned by the Master Lock Company. [1] It markets safes designed for home, business, and gun storage.

  3. Time-delay combination locks - Wikipedia

    en.wikipedia.org/wiki/Time-delay_combination_locks

    This will allow the safe to be opened when the batteries are changed after the pre-set time if the correct code is entered. Some electronic combination locks with a time-delay feature require the code to be entered twice: once to start the timer, and a second to unlock and open the safe entered after the delay period has expired.

  4. Safe - Wikipedia

    en.wikipedia.org/wiki/Safe

    Type of lock (e.g., combination, key, time lock, electronic locking) Location (e.g., wall safe, floor safe) Smart safes as part of an automated cash handling system; It is often possible to open a safe without access to the key or knowledge of the combination; this activity is known as safe-cracking and is a popular theme in heist films.

  5. Bank vault - Wikipedia

    en.wikipedia.org/wiki/Bank_vault

    The finished vault panels, door, and lock assembly are transported to the bank construction site. The vault manufacturer's workers then place the panels enclosed in steel at the designated spots and weld them together. The vault manufacturer may also supply an alarm system, which is installed at the same time.

  6. Chubb Fire & Security - Wikipedia

    en.wikipedia.org/wiki/Chubb_Fire_&_Security

    Over the next one hundred years, the company turned out more than 2.5m locks. [3] By the 1940s, Chubb expanded its operations in 17 countries. From being a single company manufacturing specialized security products it turned into a broad-based group of companies covering not only many aspects of security but fire protection as well. [5]

  7. Combination lock - Wikipedia

    en.wikipedia.org/wiki/Combination_lock

    A Wordlock letter combination lock.. A combination lock is a type of locking device in which a sequence of symbols, usually numbers, is used to open the lock. The sequence may be entered using a single rotating dial which interacts with several discs or cams, by using a set of several rotating discs with inscribed symbols which directly interact with the locking mechanism, or through an ...