Matches 1 - 50 out of 244 1 2 3 4 5 >
Match Document Document Title
7634931 Rekeyable lock cylinder assembly with adjustable pin lengths  
A rekeyable lock cylinder includes a plug body and a backing rack that cooperate to define a plurality of pin chambers within the lock cylinder, with each of the pin chambers housing a...
7628048 Rekeyable lock cylinder and method for rekeying the same  
A rekeyable lock cylinder comprises a cylinder body and a plug assembly disposed within the cylinder body. The plug assembly comprises a plug body, a plurality of assembled pins, a position block...
7624606 Rekeyable lock cylinder, plug assembly of the same and method for rekeying the same  
A rekeyable lock cylinder comprises a cylinder body and a plug assembly disposed within the cylinder body. The plug assembly comprises a plug body, a plurality of pin assemblies and a guide bar....
7621163 High security key blade and key  
A high security key blade and key for use with a lock having a cylindrical shell, a key plug which is rotatably mounted in the shell, a longitudinal key slope in the key plug, and at least one...
7574883 Lock cylinder  
A lock cylinder that includes a housing defining a cylindrical cavity, and a plug disposed in the cylindrical cavity and rotatable between a locked position and an unlocked position. The plug...
7565825 Reset cradle for a quick rekey cylinder  
A reset cradle with integral reset tool assembly, that automatically positions the lock cylinder, the reset tool assembly, and all associated components, and choreographs the operations that need...
7552608 Lock, key blank, and key of a hierarchical lock system  
A lock system includes keys, key blanks, keyways, and lock cylinders, and the keys or key blanks have opposite sides formed with grooves for cooperating with a conforming keyway. More particularly,...
7533550 Rapid-change lock  
A changeable lock assembly suitable for re-keying a lock without disassembly of the lock. The assembly includes a housing having a bore therein, and a plug rotatably mounted in the bore. The plug...
7526935 Method for rekeying a rekeyable lock cylinder  
This invention is to provide a method for rekeying a rekeyable lock cylinder. The first step of entire rekeying process is to insert a first user key into a keyhole of a sliding block of a plug...
7434431 Keying system and method  
A rekeyable lock cylinder includes a cylinder body with a longitudinal axis. A locking bar is disposed in the cylinder body for movement transverse to, and rotationally about, the longitudinal...
7421870 Lock core assembly  
A lock core assembly has a lock shell, a lock core and a pin segment. The lock shell has a core mount, multiple upper pin chambers and a lid. The lock core is mounted rotatably in the core mount...
7392676 Key blank with projection  
A key blank for a cylinder lock comprising a bow 308 , a blade longitudinally extending from the bow to a tip, and having a longitudinally extending upper edge 306 to be cut with coded bitting...
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...
7370502 High security lock and key blade combination  
A high security cylinder lock ( 1 ) and key ( 2 ) combination comprising a cylindrical shell ( 140 ), a key plug ( 130 ) which is rotatably mounted in the shell ( 140 ), a longitudinal key slot (...
7337639 Method of making a key for a pin tumbler lock  
An exemplary method of making a key is provided. A bitted surface is formed in a key blade of a key blank. A groove is formed in a first side of the key blade. At least one receptacle is formed in...
7318332 Lock  
A lock has a shell, an internal sleeve and a locking rod assembly. The shell has multiple protrusions formed inside the shell. The internal sleeve is mounted rotatably in the shell. The locking rod...
7308811 Devices, methods, and systems for keying a lock assembly  
Certain exemplary embodiments of the present invention provide a lock keying system comprising: a lock cylinder comprising: a cylinder body; a plug assembly disposed in the cylinder body and...
7290418 Programmable lock with a controlled programming position  
A key-operated lock that can be programmed for use with one of a plurality of user keys without disassembling the lock or replacing the tumblers. The lock operates with a user key so that the lock...
7272965 Method and assembly to prevent impact-driven manipulation of cylinder locks  
A method and assembly for preventing unauthorized manipulation of common cylinder locks, as executed by use of the principles of the Bumpkey or Blowgun methods. The pin assembly, containing a...
7240526 Lock and a two step method to open the lock  
A lock includes a cylinder, a cylinder plug and a locking pin assembly. The cylinder plug is rotatably mounted in the cylinder and has a dummy keyhole and a cylinder plug keyhole defined completely...
7213429 Rekeyable lock assembly  
A rekeyable lock cylinder includes a cylinder body with a plug body and carrier sub-assembly disposed therein. The plug body includes a plurality of spring-loaded pins and the carrier assembly...
7207200 Key with compound actuator ramps in recessed longitudinal channel  
A key blank and key for mating with a core having a plurality of cutouts penetrating from the core surface to the keyway, and a plurality of activator inserts and filler inserts, such that the...
7181941 Lock system with improved auxiliary pin tumbler stack  
In a pin tumbler-type cylinder lock having an auxiliary tumbler stack, the bottom pin of the auxiliary tumbler stack has a recessed underside for receiving a projection on the key to form a detent....
7181937 Locking cylinder  
The locking cylinder has a basic code which can be changed using at least one change key ( 17, 17 ′). A rotor ( 3 ) is mounted in a cylinder housing ( 2 a , 2 b ) and has a keyway ( 4 ) into...
7181938 Anti-pick mogul cylinder  
The lock cylinder assembly of the present invention incorporates a number of features designed to defeat attempts to pick or destroy the lock. The lock cylinder assembly employs multiple arrays of...
7174757 Lock cylinder and key set  
Disclosed is a lock cylinder and key set, which includes a lock cylinder, which has a keyway with two keyholes separated by a partition, and a key, which has two blades insertable into the two...
7162901 Variable shear line lock cylinder  
A lock cylinder is provided and includes an outer cylinder having a bore, an inner cylinder rotatably disposed within the bore, and a pin assembly disposed within the inner and outer cylinders. The...
RE39364 Cylinder lock and key  
An improved security cylinder lock and key for operating the cylinder lock are disclosed. The cylinder lock has conventional tumbler locking structure and a secondary locking bar that operates...
7121127 Lock set with a quick changeability  
A lock set with a quick changeability has a plug, a cylinder, a seat, a ring and a sliding cover. The plug is mounted in the cylinder and has multiple first holes in rows wherein multiple lower...
7117701 Devices, methods, and systems for keying a lock assembly  
Certain exemplary embodiments of the present invention provide a lock keying system comprising: a lock cylinder comprising: a cylinder body; a plug assembly disposed in the cylinder body and...
7114357 Keying system and method  
A keying system, method and kit, wherein a plurality of replacement master racks are installed in a movable carrier assembly of a cylinder lock with the aid of a rack removal key and a rack removal...
7100409 Burglarproof lock core structure  
The present invention provides a burglarproof lock core structure which forms a curved passage between a key slot of a plug and a lower pin chamber, such that at least a bending concave surface...
7086259 Pick resistant lock  
An anti-picking cylinder lock including a lock body, a plug defining a keyway, a plurality of telescopic body pin assemblies, each of the telescopic body pin assemblies including an outer body pin...
7028517 Cylinder lock with programmable keyway  
A core having a plurality of pin bores penetrating from the core surface to the keyway, and a plurality of activator pins and filler pins, such that the installer can locate one or more activator...
7007528 Re-keyable lock cylinder  
A re-keyable lockset that employs pairs of first and second pins. Coupling of the first and second pins to one another defines a key profile for a mating key. A second key with a different key...
6983630 Programmable cylinder lock system  
A core having a plurality of cutouts penetrating from the core surface to the keyway, and a plurality of activator inserts and filler inserts, such that the installer can locate one or more...
6959570 Anti-pick mogul deadlock  
A lock assembly incorporating a number of features designed to defeat attempts to pick or destroy the lock. The lock cylinder assembly employs multiple arrays of pass key pins, making picking of...
6959569 Re-keyable lock assembly  
A re-keyable lock cylinder includes a plug body and a carrier sub-assembly disposed adjacent the plug body. The plug assembly includes a plurality of planar wafers and the carrier sub assembly...
6951123 Rekeyable lock  
A rekeyable lock cylinder comprising: a cylinder body having a longitudinal axis and defining a longitudinally spaced, radially-aligned first plurality of pin chambers, each of said first plurality...
6935146 Changeable lock assembly  
A lock assembly has a housing, a cylinder, a main adjusting pin assembly, a sub-adjusting pin assembly and multiple locking pin assemblies. The housing has multiple sets of pin holes, two main...
6912881 Security reversible key and locking system  
The security reversible key with an assigned cylinder (Z) has a blocking groove (BN) with a coded blocking depth (B 1 , B 2 , B 3 ), which runs parallel to the axis of the key (x) from the tip of...
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...
6871520 Devices, methods, and systems for rekeying a lock assembly  
Certain exemplary embodiments of the present invention provide a rekeying system comprising: a rekeyable lock cylinder comprising: a cylinder body; a plug assembly disposed in the cylinder body and...
6860131 Rekeying a lock assembly  
A rekeyable lock cylinder includes a cylinder body with a plug body and carrier sub-assembly disposed therein. The plug body includes a plurality of spring-loaded pins and the carrier assembly...
6823702 Cylinder lock-key combination  
A cylinder lock-key combination including a cylinder housing, a key and a plug which has a circular-cylindrical barrel surface and which is rotatable in an opening in the housing. The barrel...
6758073 Lock assembly  
A lock assembly includes a lock cylinder, for actuating a latch assembly, including a lock sleeve, first and second lock rotors, having first and second keyways respectively, rototably fitted in...
6748777 Removable internal core pin tumbler lock  
The disclosed device is directed towards a key operated lock. The key operated lock comprises a barrel defining an interior, the barrel having an alignment block at the interior. A core is...
6698264 Core assembly for a lock  
A core assembly for a lock includes a core, a sleeve, and a housing. The core has a keyhole longitudinally defined therein. An elongated slot is defined beside and communicated with the keyhole....
6675617 Burglar-proof cylinder lock  
A cylinder lock with a body, in which a plug with a profiled, axially extending key slot is rotatably arranged, and in which the body and the plug are provided with a number of bores approximately...
6668607 Lock core  
A lock core includes a lower and an upper lock cover and a lock plate. The upper lock cover has the recessed hollow provided with a plurality of recessed holes respectively fitted therein with at...
Matches 1 - 50 out of 244 1 2 3 4 5 >