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| (n.) A barrier used to restrict passage during normal business hours, normally used at a vault entrance. |
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(n.) 1. The key for a day gate or day operation of a safe or vault lock.
(n.) 2. A cash register key which does not allow audit or reset functions. |
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(n.) 1. A locking device, other than the primary lock, used to maintain the safe in a locked condition.
(v.) 2. To insecurely close a safe or vault door without scrambling the combination, even though the door may not be opened by simply turning or pulling the handle. |
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| (n.) An immovable pin in a tubular lock which functions as a ward. |
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(n.) 1. A bolt on a lock that is moved by turning the key or knob without activation of a spring.
(n.) 2. The part of a lock that is engaged or withdrawn with a key.
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| (n.) A kind of latch whose bolt may be so locked by a detent that it can not be opened from the inside by the handle, or from the outside by the latch key. |
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| (n.) A lock which incorporates a deadbolt. |
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| (adj.) Pertaining to any feature which, when fully engaged, resists attempts to move the latch or bolt in the unlocking direction through direct pressure. |
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| (n.) A latchbolt with a deadlocking mechanism. |
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| (n.) A key whose cuts are equal or deeper as you proceed from bow to tip. |
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| (n.) Any design embossed or imprinted on a key to give it an aesthetic appearance. |
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| (v.) To determine a key combination by physical measurement of a key and/or cylinder parts. |
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| (n.) A measuring device which helps determine the combination of a lock or cylinder without removing the tumblers. |
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| (n.) A removable shield designed to prevent pin point drilling on a safe. |
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| (n.) A specification for the angle at which a cut is made into a key blade as referenced from the perpendicular; e.g., right (R or 2), left (L or 1) or center (= perpendicular) (C). This specification is typically used for some high security keys. |
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| (v.) The process on older laminated door safes of having to remove some layers of the lamination to allow access to the lock. |
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| (n.) A secondary device which prevents movement of a bolt or boltworks until a set amount of time has elapsed. The device is normally set or activated as part of the unlocking process. |
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| (n.) A master key which operates all or most master keyed locks of a given department. |
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| (n.) A set of keys used to make a code original key on a key duplicating machine to a lock manufacturer's given set of key bitting specifications. Each key is cut with the correct spacing to one depth only in all bitting positions, with one key for each depth. |
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| (n.) A series of blind codes and bittings which are directly related to those of another bitting list. |
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| (n.) A lever tumbler with an extra gate that, when elevated beyond the bolt fence, accepts a latching fence to prevent further movement of the tumbler. |
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| (n.) A lock containing a contrivance for showing whether it has been tampered with. |
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| (n.) A lock designed for securing a cell or other area in a prison or jail. |
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| (abb.) Door and Hardware Institute |
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(n.) 1. The typically rotatable member of a combination lock that may be used to differentiate locations on the combination wheels and cause operation of the lock.
(v.) 2. The act of turning or rotating a dial. |
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| (n.) A key operated cylinder used to lock the dial on a combination lock. |
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| (n.) An escutcheon for a combination lock dial. |
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(n.) 1. A device which automatically places a telephone call to a pre-set number when activated.
(n.) 2. An electro-mechanical device which systematically tries different combinations on a dial operated combination lock. |
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| (adj.) Pertaining to a rim cabinet lock whose mounting flanges and case forms the general shape of a diamond. |
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| (n.) A tumbler manipulation device with a triangular protrusion at its tip. |
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| (n.) A rotatable dial that causes a separate readable index, (typically digital), to change. |
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| (n.) A telephone communication device that dials a programmed telephone number, and transmits, via tones or pulses, one or more signals to a digital receiver. |
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| (n.) A key cut in a dimple key. |
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| (n.) A key whose cuts are drilled or milled into its blade surfaces. The cuts normally do not change the blade silhouette. |
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| (n.) A designation assigned to a particular key which includes the actual combination of the key. |
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| (adj.) Of or pertaining to a combination lock with the drive cam mounted on the dial's spindle shaft. |
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| (n.) The direction a combination lock dial is to be turned when the combination is worked. It usually is specified as clockwise (CW) or right (R), or counter clockwise (CCW) or left (L). |
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(n.) 1. A flat tumbler which must be drawn into the cylinder plug by the proper key so that none of its extremities extends into the shell.
(n.) 2. A flat, usually rectangular tumbler with a gate which must be aligned with a sidebar by the proper key. |
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| (n.) A usually key operated device which blocks access to the drive for a removable disk. |
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| (n.) A special change key in a hotel master key system which will allow access to one designated guest room, even if the lock is in the shut out mode. It may also act as a shut out key for that room. |
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| (n.) A cylinder plug divided at the keyway into two parts. Either part may be replaced to result in a different keyway combination via different warding for the keyway. |
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(v.) 1. To place an exit device in the holdback mode.
(n.) 2. In marine applications the latch for a hatch. |
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| (n.) A key operated cylinder used to dog an exit device. |
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| (n.) In an exit device, a mechanism used to temporarily disable the latch from locking. |
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| (n.) A key or tool used to dog an exit device. |
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| (n.) A screw used to dog an exit device. |
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| (n.) An obstruction installed to prevent a door or lock from contacting another object. |
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| (n.) A device designed to regulate the closing of a door automatically by various means. |
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| (n.) Any device which controls the opening, closing or position of a door. |
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| (n.) Any device designed to maintain a door in the open position. |
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| (n.) A non-movable projection on a safe door that helps keep the door in the locked position. |
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| (n.) A tool designed to open a safe deposit box by forcibly pulling the door and breaking the lock. |
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| (n.) A bumper installed in the jamb stop to quiet the closing of a door. |
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| (adj.) The direction and degree to which a door opens, as LH 90º, RH 180º, etc. |
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| (n.) A device with one or more lenses, mounted in a door at eye level, which allows a limited view through a door. |
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| (n.) A key typically bitted on two opposite surfaces. |
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| (n.) Two bittings for the same tumbler position. |
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| (adj.) Pertaining to a lock with two keyed cylinders. |
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| (n.) A deadbolt lock whose bolt may be operated by a key from either side. |
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(n.) 1. A shape consisting of two opposing arcs and two opposing flats.
(adj.) 2. Having such a shape. |
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| (n.) A tool used to make a double D hole. |
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| (adj.) Of or pertaining to a safe deposit type lock which requires two separate holes through the door. |
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| (adj.) Of or pertaining to a lock with one or more bolts with different functions, typically a latch and a deadbolt. |
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| (v.) To place more than one master pin in a single pin chamber. |
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| (n.) A deadbolt that has two distinct extended positions, both of which are deadlocked. |
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| (n.) A door closer designed to be used on a double-acting door. |
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| (adj.) A door that may be pushed open from either side. |
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| (n.) A hinge which permits movement of a door in either direction from the closed position. |
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| (n.) One that must be lifted a precise amount, neither too little nor too much to allow movement of a bolt. |
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| (n.) A page with a completed matrix of potential combinations used in Matrix Format Master Keying. |
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| (n.) A latch/lock whose latch is disengaged by pushing or pulling an actuator toward the hinge side of the jamb. |
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| (n.) The exact measurement of the location used to drill a locked up container to effect an opening. |
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| (n.) The first wheel rotated by a dial or key that has an opening designed to allow the fence, lever, or tailbar to enter and facilitate in opening of the lock or safe. |
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| (adj.) Pertaining to a latch or bolt with a round face. |
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| (n.) A spring placed on top of the pin stack to exert pressure on the pin tumblers. |
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| (n.) A pivoting or swinging dust cover. |
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| (n.) A lock with an interlocking bolt which moves vertically and may enter loops on the strike. |
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| (n.) The gate area of the drive cam where the lever nose drops into. Usually identified with a corresponding number on the dial. |
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| (n.) A looped handle which can pivot, typically recessed and falls flush with the door face when not in use. |
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| (n.) The location in a combination lock where the wheel gates are aligned with the fence. |
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(n.) 1. A function designed to require the presence of two persons with two different keys, combinations or codes to operate the same device.
(adj.) 2. Pertaining to such a function. |
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| (n.) A style of lock cylinder whose key operates two independent locking mechanisms within the cylinder. |
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| (n.) An authorization credential that presents recorded data only. |
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| (n.) An access control interrogation device that can only relay data to a controller. |
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| (n.) A spool pin with serrations at the larger diameter ends. |
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| (adj.) Pertaining to any type of non-active device applied for aesthetic purposes. |
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| (n.) A non-functional facsimile of a rim or mortise cylinder used for appearance only, usually to conceal a cylinder hole. |
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| (n.) Non active trim applied for aesthetic purposes. |
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| (n.) An early trade name used by Yale for locks which offer the functionality of master keying by incorporating two cylinders on the same side of the door, or two keyways in a lever tumbler lock. One keyway is for the change key and the other keyway is for the 'master key'. |
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| (v.) To copy. |
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| (n.) Any key reproduced from a pattern key. |
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| (n.) A special combination or operation sequence which conveys an alarm or other signal to a remote location while allowing access. |
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| (n.) An enclosure applied under a strike to enhance appearance and/or performance. |
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| (n.) A device designed to prevent foreign matter from entering a mechanism through the keyway. |
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| (n.) A cylinder designed to prevent foreign matter from entering either end of the keyway. |
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| (n.) A typically floor mounted strike that has a spring loaded internal plunger designed to keep the receptacle free of dust and debris. |
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| (n.) A bolt which secures the top section of a Dutch door to the bottom section. |
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