combination lock


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combination lock

a type of lock that can only be opened when a set of dials releasing the tumblers of the lock are turned to show a specific sequence of numbers

combination lock

[‚käm·bə′nā·shən ¦läk]
(engineering)
A lock that can be opened only when its dial has been set to the proper combination of symbols, in the proper sequence.
References in periodicals archive ?
When travelling I attach a combination padlock to the case as well as using the case's internal combination lock, making sure to spin the dials after locking the case.
One of the first security codes was probably the combination lock, which dates back to the Roman Empire.
When traveling on a bus, train, or to the beach--really anywhere that you might need to leave your bags or luggage unattended for a little while--be sure to take along a bicycle lock of the kind that is a long cord with a combination lock attached.
The EMKA IP65 three-digit combination lock and cylinder key swinghandle system offers simple security on two levels.
The first of its kind, the device acts as both a hitch receiver that fits a 1/2- or 5/8-inch receiver hole, and a rubber-encased "safe" with a four-digit combination lock. The safe, mounted on a swiveling base, can be accessed without having to unhook the trailer and is easily removed when not in use.
A sense of anxious questioning pervades the novel, and the quotidian nature of this very human response to change is well captured when Mann uses the metaphor of a combination lock to express his protagonist's anxiety over attending high school.
Day!" she'd say, using b-i-l-l-i-e for her combination lock
Puzzles include Roulette for the Unwary, the Faulty Combination Lock, and Collapsing a Polygon.
The hex-head nut that secures the clamp is covered by an extended shroud that accepts a small combination lock or key lock.
The size and scope of the padlock and combination lock market is massive, with an estimated 40 million locks sold totaling in excess of $600 million in the United States alone.
Covering theories and practices, the handbook outlines a model called the learning combination lock, which is based on the idea that people interact with the external environment through their senses.
Police searched Cho's room, which he shared with at least two other students, and recovered a chain and combination lock.