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Document Title |
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7614268 |
Rotary lock and key
A cylinder lock is provided. The lock includes a rotor assembly ( 17 ) having a combination post ( 12 ) as a core. The combination post ( 12 ) has combination holes arranged thereon which define...
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7571629 |
Positional multiplex keyway system
A method and apparatus for extending an existing simplex or multiplex lock-and-key system that includes a family of first keys each having a first profile and of a corresponding plurality of first...
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7484392 |
Cylinder lock and key
A cylinder lock provided with a thick key including an elongated base having two surfaces. A serrated wall extends from one surface of the base. A key groove is formed by the serrated wall. A rib...
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7467531 |
Key operated padlock construction with visual indicator
By providing an automatically activated positive indicator or signal which is responsive to only the use of a master key, a padlock construction is achieved which is highly effective for providing...
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7377139 |
Specification cabinet lock
A cabinet lock includes a lock shell, a lock frame and a restricting device. The lock shell defines a card insertion space, the lock frame includes a slide portion, a hasp portion, an initiative...
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7370503 |
Safety key and locking cylinder, and locking system with such safety keys and locking cylinders
The safety key has a shank which is provided with a plurality of control surfaces for properly positioning tumblers and has a front end and a rear end. At a front end, the rotor of the associated...
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7340929 |
Axially rotative rekeyable lock
A lock apparatus able to be installed in a structure comprising an outer sleeve having a plurality of outer rows extending transversely therethrough and radially therearound and a first bore...
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7325426 |
Safe electromagnetic lock
A safe electromagnetic lock including a first bolt provided with an elastic fastener, an elastic slide bolt positioned on an end of the first bolt, an electromagnetic device connected to a computer...
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7073360 |
Lock cylinder
A lock cylinder having a master key capability wherein the lock cylinder can be provided with either a master annular ring on the front of the lock plug which can only be opened by a master key or...
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7047778 |
Vehicular lock apparatus and method
In some embodiments, lock assemblies are disclosed which have a housing, a barrel, and at least one tumbler. In some cases, the lock is codeable after the lock assembly has been assembled. Although...
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6889534 |
Controlled access lock
A locking device for controlled, reversible security using a control key to set the lock's accessibility to multiple individual keys, thus providing complete control of security. The control key...
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6837084 |
Interlock mechanisms
An interlock unit ( 10 ) for use with at least one other like unit ( 11 ) to form an interlock mechanism has a top face ( 13 ) and opposed pairs of side walls ( 12 ) with at least one runner bar (...
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6837082 |
Door security system
A door security system for use in conjunction with a building having an existing doorway, for providing enhanced security to the occupants of the building. The door security system has a steel door...
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6734783 |
Gate management system
A gate management system for controlling an operation of a gate of a vault including a biometrics information management device having a first memory, storing biometrics information of at least a...
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6701761 |
Lock system for vehicles and the like
A lock system is provided for vehicles and the like of the type having at least one closure. A lock housing is mounted adjacent the closure, and includes a lock barrel with an axial tumbler groove,...
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6675616 |
Internal locking device for use on magazine doors
An internal locking device adapted for use with the magazine doors of a weapons storage facility to lock the magazine doors and secure the facility. The internal locking device use a dual key and...
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6634197 |
Lock device with removable core
A removable core lock and key device comprises a cylinder housing ( 10 ) and a core ( 20 ), which is accommodated in the cylinder housing. An adapter ( 30 ) is operatively connected to a bolt ( 32...
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6612142 |
Guard side passive two key lock
A safety deposit box lock assembly has a housing and latch bolt carried by the housing. The latch bolt is movable between a locked and an unlocked position relative to the housing. A guard lock is...
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6604393 |
Lock system operable with multiple keys
A key operated, lock actuating system having a housing and a lock cylinder that is pivotable relative to the housing around a first axis. An actuator assembly is pivotable around the first axis...
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6557384 |
Multifunction padlock
A multifunction padlock for providing a single unit lock that has the functions of an ordinary lock in conjunction with a lockout system with multiple staples that can be used as a group or...
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6516643 |
Pop-up, precision lock-cylinder that reveals at once, with visual and tactile cues, who else with a key has sought or gained entry
Pop-Up Indicator, Replacement Lock-Cylinder with distinctive keys for owner, employee (or acquaintance), and some third party whose right to enter is legitimate only upon notice or in an emergency....
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6386121 |
Safety deposit box locking system
An attachment for a door of a safety deposit box cubical for modifying its locking system wherein the locking system comprises a flange forming a part of one of the bank keys extending laterally of...
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6295850 |
Key-operated cylinder lock with removable plate tumbler container
By operationally mounting a plurality of wafers or plates forming tumblers in an independent, separate, substantially closed container, and cooperatively mounting the plate tumbler container with a...
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6129029 |
Method and apparatus for accessing safe deposit box
A method and apparatus for accessing a safe deposit box stored in a vault. The safe deposit box includes a customer lock and a bank lock, each of which must be opened to access the box. Apparatus...
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6035678 |
Door-lock assembly
A security device for obscuring an opening defined by a frame (100) is provided comprising a door panel portion (1) forming at least a part of a door which, in use, is supported relative to the...
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5964110 |
Key lock with removable plug
A lock with a keyed removable plug having a substantially cylindrical body, and a plurality of tumblers disposed within the body and movable between a first position retracted within the...
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5943890 |
Cylinder lock and key assembly and hierarchical system therefor
A lock mechanism has at least one tumbler pin having one or more slots in the tip surface of the pin and a key blade which is formed with a projection extending from the surface of the bitting...
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5921121 |
Adjustable key-type spring pin lock cylinder
The present apparatus provides an adjustable key-type spring pin lock cylinder. The spring pin lock cylinder includes a lock core (1), a first core sleeve (2), and a second core sleeve (3). At the...
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5791180 |
Door lock device
A door lock device that includes a lock body having a plurality of latch bolts, a key holder cylinder having one cylindrical key plug and lock lever for each latch bolt. The components are fastened...
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5727407 |
Security device for exit doors
An exit door has a security device comprising a flexible member, e.g. a chain, for connecting two locking devices which may be fixed on a door and doorway or on double doors. The first locking...
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5718136 |
Lost key lock-out cylinder
A rekeyable look includes at least one chamber housing a tumbler pin stack having a master pin disposed between the driver pin and the bottom pin. The bitting of a change code key inserted in the...
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5705991 |
Access control device featuring key ordering or key simultaneity
A secure entry system makes use of radio transmissions to communicate with locks, keys, and related components throughout the system. The radio transmissions can be made using a paging system, a...
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5628217 |
Electronic-mechanical locking cylinders
The locking system includes a blocking and electronic releasing device by means of different codes for each one of the keys, it also being possible to modify the memory of the control circuit by...
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5513509 |
Key for use with 5-pin and 6-pin door locks
A key 20 is formed with a blade 22 having six bits 30, 32, 34, 36, 38 and 40 formed along one edge of the blade. A shoulder 42 is formed on a trailing end 28 of blade 22 and is positioned to...
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5495733 |
Lock for a safe-deposit box
A safe-deposit box uses a lock using a tongue, a first mechanical device, a second mechanical device, an electromagnetic valve, a control unit and a keypad. A renter's key drives the first...
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5431034 |
Cylinder lock with removable and replaceable key plug
A cylinder lock includes a lock shell which confines a cylindrical hole and a rotatable cylindrical key plug provided within the hole of the lock shell and formed with a longitudinally extending...
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5375444 |
Multi-key core lock assembly
A core lock assembly which is operable by two differently bitted keys is disclosed. The core lock assembly includes a shell defining a hollow portion for receiving a core which is capable of...
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5235833 |
Lockable lock for drink distributing trolleys in aircraft
A lockable lock is disclosed, particularly for drink distribution trolleys in aircraft, comprising an additional latch (20) for locking the sliding bolt (7) whose movement is dependent on the...
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5233850 |
Rekeyable lock system
A rekeyable lock which includes a master lock activated by a master lock key, a rekeyable lock adjacent the master lock having a lock mechanism activated by a keyable lock key, and structure...
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5182929 |
Method of providing a universal keyway lock and plug therefor
A method and replacement plug for cylinder locks converts locks having special keyways requiring correspondingly warded key blanks into a universal keyway lock that can be properly operated by a...
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5181406 |
Locking device consisting of key and locking cylinder
A locking device consisting of key (2) and locking cylinder (1), in particular for the actuation of electric microswitches on keyboards, telephone or the like, has a locking cylinder housing (5)...
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5046342 |
Cylinder lock
A cylinder lock (1) has a standard lock mode (12 o'clock position) and a service lock mode (10 o'clock position). If the lock plug is turned to the service lock mode with the standard key (8) and...
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4922737 |
Lock arrangement
A lock arrangement which includes a lock casing (5), a key-operated cylinder lock (1) mounted on one side of the casing, and a knob or finger-turn mechanism (7-10) mounted on the other side of the...
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4912953 |
Re-keyable cylinder lock
A cylinder lock is adapted to be re-keyed by a change key which, as an incident to turning a plug in a cylinder, shifts a shuttle transversely of the cylinder. The shuttle carries three sets of...
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4707903 |
Method and apparatus for pulling a nose plug from a lock
A nose plug puller for a Mosler type lock allows the nose plug to be pulled without damaging the nose plug or the lock, thereby saving time and cost. A key pin is inserted in the key slot and...
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4704884 |
Double-acting locking device for joint control
A double-acting locking device of the axial pin tumbler type for joint control. A rotary plug, a control plug, a master plug and a stationary plug fit in contact with each other within a cylinder....
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4631941 |
Cylinder lock with permissible service entry
A cylinder lock (1) has a normal locking mode (12 o'clock position) and a service locking mode (10 o'clock position). When the cylinder plug (3) is left in the service mode of the lock, with the...
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4630457 |
Lock with removable plug
A lock is disclosed having a lock barrel with an opening and a key plug rotatable within the opening. The plug is rotatable between first and second operative positions and a third position in...
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4601183 |
Pneumatic key lock
A pneumatically-operated unlocking system suitable for use on the door of a igh security building such as a military weapons storage structure, in which each one of a pair of unlocking keys is...
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4576025 |
Magnetic lock insert for lock mechanisms
Two control rings (29a, 29b) are arranged between the cylinder (2) and lock body (1) which are provided with latch grooves (9) receiving that part of the latch (8) which prevents cylinder (2)...
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