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8161783 |
Quickly rekeyable lock cylinder and plug assembly thereof
A quickly rekeyable lock cylinder comprises a cylinder body and a plug assembly disposed within the cylinder body. The plug assembly comprises a plug body, a position block disposed at the plug...
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8146395 |
Anti-theft lock with plate tumblers
An anti-theft lock with plate tumblers includes two axial grooves (18) which are disposed at diametrically opposite locations on an inner wall of the lock (1) and an annular groove (10) which has a...
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8117876 |
Programmable lock cylinder assembly
A programmable lock cylinder assembly comprising a lock housing and a cylinder plug mounted for rotation within the housing. A set of rack pins are positioned in the cylinder plug and moveable...
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8099988 |
Tool-less rekeyable lock cylinder
A rekeyable lock cylinder includes a plug assembly and a lock cylinder. The plug assembly includes a plug body, a plurality of key followers, a plurality of racks, and a rack carrier that carriers...
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8091393 |
Multi-piece plug assembly for a cylinder lock
A cylinder lock assembly includes a cylinder body and a plug assembly which is manufactured in a multiple of pieces to facilitate casting of each plug piece in a single operation. The plug assembly...
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8087276 |
Pin tumbler lock releasing method
A pin tumbler lock releasing method involves cooperatively using keyway insertible and universally configured lift, key and shim devices to raise the pin stacks within a pin tumbler lock to just...
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8082766 |
Pin tumbler lock releasing system
A pin tumbler lock releasing system includes keyway insertible and universally configured lift, key and shim devices that are cooperatively used to raise the pin stacks within a pin tumbler lock to...
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8074480 |
Rekeyable lock cylinder with fool-proof function
A rekeyable lock cylinder with fool-proof function at least comprises a cylinder body, a plug, a limit member, a sliding block and a drive member. The plug disposed within the cylinder body has a...
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8056378 |
Rekeyable lock cylinder and rekeying method thereof
A rekeyable lock cylinder comprises a cylinder body, a plug, an adjusting block and a plurality of rack component assemblies. The plug disposed within the cylinder body has a trench and a plurality...
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8033150 |
Rekeyable lock cylinder
A rekeyable lock cylinder includes a cylinder body with a longitudinal axis. A plug assembly is disposed in the cylinder body and is rotatable between a first position and a second position, the...
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8001816 |
Pin tumbler lock releasing system
A pin tumbler lock releasing system includes keyway insertible and universally configured lift, key and shim devices that cooperatively work to raise the pin stacks within a pin tumbler lock to...
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7987688 |
Turning knob with lock
A turning knob with a lock for an electric circuit indicating a body for receiving a barrel rotating relative to a stator. The barrel includes springs receiving a key configured while rotating to...
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7980106 |
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....
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7980104 |
Rekeyable lock cylinder
A rekeyable lock cylinder comprises a cylinder body, a plug assembly disposed within the cylinder body and at least one adjusting member. The cylinder body has an inside wall, the plug assembly...
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7980105 |
Wafer-type tumbler cylinder
A wafer-type tumbler cylinder comprises a sleeve, a cylinder, a plurality of first and second wafers, some springs and some U-shaped fixtures. The wafer-type tumbler cylinder is an integral...
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7975518 |
Re-keyable lock with improvements for preventing incomplete re-keying
A re-keyable cylinder lock includes a plug inserted into a lock housing and having a plurality of radial holes connected to a key hole. The lock housing has a first engaging element provided in an...
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7963133 |
Cylinder lock and unlocking device comprising thereof
A cylinder lock, includes a sleeve, a key plug arranged in the sleeve and having a key insert hole opening on an edge face of a key insert side, a key matching member movably supported on the key...
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7956741 |
Tumbler type lock apparatus
A tumbler-type lock apparatus for use with a tumbler-type card key having a code pattern region including an array of holes and non-hole portions that expresses a key code of the tumbler-type card...
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7937976 |
Rekeyable lock cylinder and operating method thereof
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 and a position...
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7918115 |
Removable core lock device
A removable core lock and key device comprises a cylinder housing (10) and a cylinder core (20), which is accommodated in a circular opening in the cylinder housing. A plurality of pin tumblers...
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7900491 |
Rekeyable lock assembly and method of operation
A lock cylinder has a reset condition wherein the lock cylinder can be put into a “learn” mode. In the “learn” mode, the original key can be removed and replaced by replacement key and, when th...
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7895866 |
Multi-piece plug assembly for a cylinder lock
A cylinder lock assembly includes a cylinder body and a plug assembly which is manufactured in a multiple of pieces to facilitate casting of each plug piece in a single operation. The plug assembly...
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7878036 |
Rekeyable lock cylinder
A lock cylinder having a keyway includes a first plurality of guide channels. A plurality of cup-shaped pins is movably disposed within the first plurality of guide channels. Each cup-shaped pin of...
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7874191 |
Cylinder lock
A cylinder lock includes a lock housing receiving a plug assembly that has a key hole, tumbler pieces having respective toothed parts, and a re-keying unit. The re-keying unit has rotatable gear...
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7870771 |
Lock device with a lock cylinder and a key
A lock device having a key and a lock cylinder. The lock cylinder includes a fixed cylinder housing and a cylinder core mounted to rotate therein. The key shaft (10.3) has an edge profile and may...
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7854153 |
Locking cylinder for functions especially performed on vehicles
A locking cylinder having a two-part housing, including an upper part and a lower part. A cylinder core is received in the housing and can be actuated by turning a key. The housing of the locking...
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7836739 |
Rekeyable lock cylinder structure
A rekeyable lock cylinder structure comprises a shell, a plug assembly and a plurality of pin groups. The shell has a hollow cylindrical portion and defines a central axis. The plug assembly is...
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7823427 |
Cylinder lock device
A cylinder lock device is provided with a rotor 30 arranged to be rotatable inside a body A20, a sleeve A40 arranged to be rotatable between the body A20 and the rotor 30, a sleeve B45, a tumbler...
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7770424 |
Cylinder lock device
A cylinder lock device includes a rotor case in a cylindrical shape, a rotor arranged to be rotatable inside the rotor case including a key insert hole being formed to extend in an axial direction,...
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7762111 |
Multi-piece plug assembly for a cylinder lock
A cylinder lock assembly includes a cylinder body and a plug assembly which is manufactured in a multiple of pieces to facilitate casting of each plug piece in a single operation. The plug assembly...
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7716960 |
Lock device
A lock device has: a cylindrical case member in which is formed a space extending in an axial direction; a cylindrical sleeve member is disposed at an interior of the case member, and is supported...
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7712344 |
Key-changeable lock
The invention relates to a key-changeable lock including a lock housing and a lock cylinder provided within the lock housing. The lock cylinder includes a shell for the lock cylinder, a locking...
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7690232 |
Locking device with a locking cylinder and a key
A locking device having a locking cylinder and a key. The locking cylinder includes a cylinder core with tumblers in a cylinder core, which is rotatably mounted in a cylinder housing. Standard...
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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...
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7634930 |
Lock apparatus and method
Lock assembly and method of coding and recoding locks. Some embodiments of a lock include a housing, a lock cylinder, a plurality of tumblers, a plurality of codebars, and a sidebar. Some...
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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...
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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....
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7584635 |
Multifunctional lock
A multifunctional lock comprises a lock shell (1), a lock bar (3), movable tooth pieces (4), a support (5) for sliding blocks, sliding blocks (6) and a guide slot unit (8) for the insertion of a...
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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...
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7530246 |
Wafer-type tumbler cylinder and key
A wafer-type tumbler cylinder comprises a sleeve, a cylinder, some wafers and some springs. A shaft of the cylinder includes a first and a second semicircular columnar body. The first semicircular...
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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...
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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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7472570 |
Key cylinder
In a key cylinder a stopper plate is pressed into an imposing hole of a rotor, latching to a body and also intruding into engagement grooves of a second sleeve. When an authentic key is inserted...
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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...
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7424815 |
Reprogrammable lock
A reprogrammable lock comprises a rotor (2) mounted rotatably inside a stator (1). In the rotor (2) are mounted key reading plates (3) to read the coding profile (8b, 9b) of a user/programming key...
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7392677 |
Lock core structure
A lock core structure including a housing, a lock core, at least two latch elements and plural lock piece sets. Each lock piece set includes a division plate and a first lock piece and the second...
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7353675 |
Lock barrel and a driving part for the same
A lock barrel and a driving part for the same comprises a plurality of key channels for the insertion o the driving part (key) and a plurality of transverse gateways for housing movable parts,...
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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...
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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...
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7260965 |
Locking device
A locking device, which mounts a user key (the first key) and a manager key (the second key) separatedly, places a first lock and a second lock unitedly in an outer cylinder. The first lock is...
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