Class 70/338 - Selective shutout type

Subclass of Class 70 - Locks
Definition: Subject matter wherein operation by one key may selectively
No. of patents: 38
Last issue date: 11/15/2011

Number	Title	Issue Date
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 of rack component runners communicating with the trench. The adjusti...	11/15/2011
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 comprises a plug body having a plurality of pin holes and an opening, a ...	07/19/2011
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 block. The plug body has a longitudinal axis, a transverse axis vertical ...	05/10/2011
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 and a rotating member. The plug body has a longitudinal axis, a transv...	12/08/2009
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. The plug body has a longitudinal axis, a transverse axis perpendicular ...	12/01/2009
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 key. Wherein, an elastic elem...	09/08/2009
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 extending though substantially a center thereof. An inner sleeve having a s...	03/11/2008
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 comprising a plurality of pins and a one-to-one corresponding plurality of ...	12/18/2007
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 plug turns only in one direction to unlatch or unbolt, and can not op...	11/06/2007
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 opened or rotated by the first key. After the first lock is open, the fir...	08/28/2007
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 (2a, 2b) and has a keyway (4) into which a shank of a standard key whi...	02/27/2007
7178371	Disc tumbler lock A disc tumbler lock, which comprises a lock case, which includes a bolt displaceable with a key of the lock and a number of locking discs provided with locking channels and which are displaceable with the key of the lock against the force of a spring to open the loc...	02/20/2007
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 pin assembly is operable to selectively lock the inner cylinder rela...	01/16/2007
7159424	Lock and key system with extra code combinations A high security lock and key system with an increased number of code combinations is disclosed. The system is of the kind where the blade of the key has a wave-like guiding surface (104) at the side of the key blade which, upon insertion into an associated lo...	01/09/2007
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 pins are inserted. The cylinder has a chamber radially defined therein w...	10/17/2006
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 comprising a plurality of pins and a one-to-one corresponding plurality of ...	10/10/2006
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 a low level security annular ring which permits the lock cylinder to ...	07/11/2006
6973813	Re-keyable lock and method A re-keyable lock and method. The lock has locked and unlocked positions and includes a housing and a cylinder rotatably supported in the housing. The lock includes a plurality of wafer tumblers resiliently supported in corresponding channels formed in the cylinder....	12/13/2005
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 for the purpose of inproving the efficiency of the automotive assemb...	11/29/2005
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 includes a plurality of racks for engaging the wafers in a face-to-face t...	11/01/2005
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 adjusting holes and two sub-adjusting holes. The three holes of the sets ...	08/30/2005
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 has hierarchy over the individual key(s). Rotating the control key from...	05/10/2005
6862909	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 comprising a plurality of pins and a one-to-one corresponding plurality of ...	03/08/2005
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 lock 10 assembly includes a housing 12	08/17/2004
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, a positioner shoulder adjacent an outer portion of the ba...	03/09/2004
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 a special master key to access a secondary lock cylinder,...	05/21/2002
5974367	Electronic lock system and use thereof In a preferred embodiment, with a system employing an electronic lock and electronic key apparatus, a method, including: providing as the electronic key apparatus an electronic key selected from the group consisting of a master key, and audit key, and a s...	10/26/1999
5894750	Lock A lock includes a casing, a cylindrical rod and a key, the casing having a longitudinal hole for the cylindrical rod received therein. The casing and the cylindrical rod have a main transverse hole device defined radially respectively therein and are in a...	04/20/1999
5339659	Security lock with two locking mechanisms, of the pump type and of the double-bit type, respectively A security lock for doors of dwellings, gates and the like comprises a pump-type locking mechanism for operating a bolt, and a double-bit locking mechanism for locking the pump mechanism in its locking condition. The lock preferably has both a key which c...	08/23/1994
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 locking position, a bolt-locking arrangement being provided ...	04/26/1994
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 cylindrical bore in which is inserted a cylindrical plug having a ...	03/19/1991
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. Connections and disconnections between those plugs are eff...	11/10/1987
4620733	Shipboard internal locking system A locking bolt system for locking shipboard water tight doors, hatches and cuttles comprising plural bolts with racks thereon driven by pinions rotated by a drive shaft. Rotation of the drive shaft is controlled by a contoured locking disk which is locked ...	11/04/1986
4506530	Key-operated lock In a security door lock a pivoted detent deadlocks the bolt by engagement of a stump in pockets provided in the bolt. The detent is normally held in its locking position by a cam surface on the thrower and by a pack of detainers. Rotation of the correct k...	03/26/1985
4412437	Rekeyable lock method and apparatus A rekeyable cylinder lock includes removeable spacers between top and bottom tumbler pins, and a key bit device for removing a spacer from the pin chamber through the key way. The key bit device includes bitting thereon to position the spacer in the top p...	11/01/1983
4403486	Pin tumbler lock A tumbler lock comprising housing pockets in an outer housing and plug pockets in a cylindrical plug rotatably mounted in the housing holding slidably outer and inner pins respectively, auxiliary pockets in the housing corresponding to the plug pockets at...	09/13/1983
4376382	Resettable lock assembly A resettable single-barrel single-plug cylindrical two section lock assembly is provided wherever master keying is required. The lock of the invention is intended to be operated and reset by three different keys. One key (#1 key) is used to turn the lock ...	03/15/1983
3998080	Frangible construction lock system A pin tumbler lock has a housing, a cylindrical key plug provided with a keyway rotatable in the housing, a shear line between the plug and the housing, pin tumbler bores with aligned parts respectively in the housing and the key plug and spring pressed o...	12/21/1976

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Class 70/338 - Selective shutout type