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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...
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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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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...
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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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7448240 |
Lock assembly
A lock assembly has a housing, a lock cylinder, an adjusting block and an adjusting assembly. The adjusting block is slidably on the lock cylinder and has a wedge side facing the lock cylinder and...
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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 ( 8 b, 9 b ) of a...
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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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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...
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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...
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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...
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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...
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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...
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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...
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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...
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6968717 |
Cylinder lock
A cylinder lock utilizing an unlocking code to set at any desired time after the cylinder lock has been assembled and which, before the setting of the unlocking code, allows the rotor to be rotated...
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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...
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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...
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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...
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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...
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6776017 |
Adaptable radial tumbler lock
An adaptable lock 10 assembly and a method of using the lock 10 assembly in order to reprogram a lock 10 to accept a key different from the key which originally operated the lock 10 . The...
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6755063 |
Side bar type cylinder lock with variable key code
In a side bar cylinder lock with a variable key code, plug ( 6 ) engages within casing ( 1 ) at two opposite portions in preventing plug ( 6 ) from rotating in locking state. This improves the lock...
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6474121 |
Lock setting changing unit
In a locking system constituted by a housing, a slider provided in the housing and including magnetic lock pins, and a pair of plates provided in the housing so that a magnetic card key can be...
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6389859 |
Master/valet keyset and lock
A master/valet lock and keyset provides a means of permitting limited one-time entry after locking a door to individuals possessing a valet key. In an embodiment, the mechanism relies on the use of...
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6263713 |
Shearable lock assembly and method of manufacture
A lock and a method for manufacturing the lock. The lock comprises a shell having an interior cavity, a plug received in the interior cavity rotatably and axially slidably therein and defining a...
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6196038 |
Tumbler lock with additional rotor locking member
A tumbler lock with an additional rotor locking member includes a rotor rotating in a stator bore. The lock includes a slide movable transversely to the key channel, the slide including a key...
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5839309 |
Apparatus for holding a lock assembly and shearing the assembly pins thereof
A holding device for padlocks having lock housings of different sizes. The holding device includes guides for positioning the padlocks so that a shell-plug assembly disposed within the lock housing...
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5819569 |
Lock with changeable warding positions
A lock with changeable warding positions wherein a rotationally indexable warding member selectively enables one of a multiple of keys for operation of the lock.
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5799519 |
Repeatable coding lock
A lock for use with a lock code setting key and a new lock code setting key, and having (a) a first cylindrical tube with a first radially extending slot for receiving a first biasing element and a...
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5791181 |
Locking system, particularly for motor vehicles and building fixtures
A novel locking system of the type which has very useful properties and at the same time can be produced cost-effectively, and is therefore suitable to be a mass-produced product, particularly for...
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5775143 |
Resettable double-bit lock
A resettable double-bit lock is disclosed, with a bolt having a resetting blade and a plurality of studded disks supported therein. The studded disks are adjacent a plurality of tumblers, the...
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5752400 |
Universal lock and key
A universal lock and key assembly in which the lock is re-keyable and the key is also changeable. The key has an elongated left side member, an elongated right side member, and an elongated central...
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5735153 |
Pin tumbler cylinder luck with shearable assembly pins and method and apparatus of manufacture
A turnable lock operable with driver and tumbler pins when positioned by a key at a shear line in which shearable assembly pins are assembled in the lock and thereafter sheared to form such driver...
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5697239 |
Pin tumbler cylinder lock with shearable assembly pins and method and apparatus of manufacture
A turnable lock operable with driver and tumbler pins when positioned by a key at a shear line in which shearable assembly pins are assembled in the lock and thereafter sheared to form such driver...
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5502990 |
Recodable lever tumbler lock for use in high security safes
In a recodable lever tumbler lock such as used with a safety deposit box lock, a coding device (17) and a recoding pin of particular configuration are caused to interact with remaining components...
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5388437 |
Magnetic key operated lock
In a magnetic key operated lock, a slide member carries a plurality of wheels in which are mounted magnetic pins. The position of the pins forms part of a code of the lock. The wheels are caused to...
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5343724 |
Lock arrangement employing mechanically acting code card and key card
In a locking apparatus that utilizes bores and blocking pins along with key cards and code cards to unlock the lock, a master card key is employed with holes in all of the master card bores and...
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5325690 |
Lock adjustable to operate with different keys
A lock which is rekeyable or programmable to operate with a different key from the exterior thereof without disassembling it or removing it from a lock assembly in which it is assembled is...
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5305623 |
Key operated, combination changing, lock
A key-operated, combination changing, lock comprising a lock box, a slidable bolt and at least one bolt-retaining slider movable transversally across the bolt to retain the bolt in a resting and...
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5074135 |
System for the use of lockers or the like
The invention refers to a system for the use of locks of hotel room doors, lockers of bathhouses or similar facilities, having a central delivery station located in the region of an entrance...
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5072604 |
Closure system consisting of a lock and a plurality of keys
A closure system consists of lock and several keys in which the closing of the lock, determined by mechanically or magnetically controllable tumblers, is variable in such a manner that a closure...
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5000019 |
Cylinder lock and method for using same
The cylinder lock of the present disclosure includes a cylinder housing having either two or three rows of cylinder holes therein. The cylinder holes are in communication with an elongated...
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4966021 |
Reprogrammable lock and keys therefor
A reprogrammable lock assembly of the wafer tumbler type which includes a plurality of wafer-type tumblers and cooperating followers mounted in a cylindrical plug and housing. The tumblers are...
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4942749 |
Interchangeable key lock with rolling tumblers
This invention describes a lock where each of several tumblers is shaped as a disc and each has gear teeth along parts of its periphery. The teeth mesh with two partial racks that are formed on two...
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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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4907431 |
Adjustable lock
An adjustable lock has an adjustment slide arranged in the bottom of a key housing, the slide is situated underneath the bolt element and a number of tumbler devices with teeth engage a blade...
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4895036 |
Key
A key for use with a lock having internally lugged tumblers comprises an elongate cylindrical member with a longitudinal keyway to receive the lugs. From the longitudinal keyway extend a plurality...
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4858456 |
Resettable axial tumbler lock
An axial tumbler pin lock that includes an inner cylindrical body and a pair of abutting, coaxially positioned first and second inner sleeves that are rotatably carried on the cylindrical body and...
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4747281 |
Randomly and integrally re-keyable lock apparatus and method
A lock apparatus includes a key-in-knob lock, padlock or other type of 90° lock provided with a cylindrical plug having a keyway for receiving a master key that has bittings for positioning a...
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4741188 |
Rekeyable master and user lock system with high security features
Methods and apparatus are disclosed for multiple level user and master key lock rekeying changes externally by the use of appropriately bidded level change keys. Several variations of methods and...
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