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Match Document Document Title
8931316 Method for profiling a flat key, and flat key produced according to the method  
A method for profiling the broad sides of a flat key, a key blank being clamped in a clamping device so that the broad side of the key blank is exposed. Guide grooves and variation grooves which...
8919160 Method for profiling a flat reversible key, and flat reversible key, based on a flat reversible key profile, which is produced according to the method  
A method for profiling broad sides of a flat reversible key. A key blank is clamped to expose the first broad side of the key blank and complementary grooves and ribs are milled using a milling...
8915107 Locking system  
A locking system is set forth having a key and a lock cylinder. The lock cylinder has a cylinder core journalled in a housing and having a keyway for inserting the key. A plurality of tumblers...
8794043 Movable key combination element and lock assembly  
A lock and key combination that uses a key device which includes a shaft portion, and at least one movable key combination element which is retained within the shaft portion and which includes...
8746025 Key, lock and locking mechanism  
A key blank comprises a shaft and a head connected to the shaft, the shaft including first and second surface that are oppositely facing, wherein the surfaces are configured to include combination...
8726706 Locking device  
The invention relates to a locking device, in particular for a motor vehicle, having a key (10) and a lock cylinder (30), having a cylinder core (32), which is mounted in a rotatable manner in a...
8689596 Key and lock  
A thin key that is thin but includes serrations on each of two opposite sides of a blade (42, 72). The key is associated with a cylinder lock including a rotor (13) with tumblers (21-28) retained...
8677791 Locking arrangement comprising a lock cylinder and a matching key  
A locking arrangement with a lock cylinder and matching key. The key has a flat key bit with a narrow spine, two broad sides, and coding notches at coding positions on the key bit. The cylinder...
8671725 Key and lock assemblies  
The present invention is directed to key assemblies and their mating locks, and more particularly, to keys with mutually compressible, actuating elements capable of being continuously positioned...
8387425 Movable key combination element and lock assembly  
A key device for use with more than one lock, the key device including a shaft portion, and at least one movable key combination element retained within the shaft portion and including first and...
8347680 Lock and key combination with a large number of codes  
A lock and key combination is disclosed, offering a large number of codes. The combination includes a lock (200) of the kind comprising a housing having a cylindrical bore, a cylindrical key plug...
8336350 Key and lock assemblies  
The present invention is directed to key assemblies and their mating locks, and more particularly, to keys with mutually compressible, actuating elements capable of being continuously positioned...
8281628 Profile key with local recess  
A profiled key for use in an associated cylinder lock provided with a rotatable key plug having a longitudinal keyway. The key has a substantially flat key blade with a longitudinally extending...
8230708 Cylinder lock and key combination with a blocking element in the lock  
A cylinder lock and key combination is disclosed. The lock comprises a housing (30) having a cylindrical bore and a cylindrical key plug (33) being rotatably journalled in said cylindrical bore....
7788956 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...
7791454 Engine starting switch and portable device  
A switch for urging a driver to perform an operation that is required when the smart ignition function is invalid. The switch is used by a driver to start the engine of a vehicle when the vehicle...
7698921 Backward compatible lock system, key blanks and keys therefor  
A cylinder and key combination including a pin operated cylinder including a cylinder body, a plug rotatable within the cylinder body and defining a keyway and first pin assemblies and at least...
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...
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...
7412860 Key blank and key  
A key blank or key has a rectangular parallel metal shaped blade which has side edges formed with grooves for cooperating with a complementary shaped keyway; the sides of the blank having a...
7218202 Biometric key  
A biometric key having a key body incorporating a biometric sensor. There is also provided a receptor body for engagement with the biometric key, wherein the reader has a slot for retention of the...
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 (B1, B2, B3), which runs parallel to the axis of the key (x) from the tip of the...
6425274 Rekeyable padlock with a lock cylinder having an enlarged viewing slot  
This invention pertains to the lock cylinder of a rekeyable padlock. According to a preferred embodiment of the present invention, a rekeyable padlock is provided with a lock cylinder formed...
6308543 Key plate and method for manufacturing the same  
A key plate includes a key plate body that extends longitudinally and has a grip portion and a keyhole insertion portion connected to the grip portion. The keyhole insertion portion includes a...
6237379 Motor-assisted electromechanical lock system  
A lock system has a housing, a barrel rotatable in the housing, tumblers radially displaceable in the barrel and housing between an unlocked position permitting the barrel to rotate in the housing...
6145357 Flat key for a tumbler-containing locking cylinder of a lock apparatus  
A flat key for a tumbler-containing locking cylinder of a locking apparatus, with a key grip and, attached thereto, a key shank for locking grooves cut into the shank towards the end surface, the...
6134929 Cylinder lock and key combination with a guiding profile ridge in the lock  
A cylinder lock and key combination, wherein the lock comprises a side profile ridge (60) disposed in the key slot (53) and having a relatively shallow recess (61), in which a projection (55) on a...
6119496 Keys for high security cylinder lock systems  
A blank for use in fabricating a key for a cylinder lock having a camming projection extending outwardly from a first side of the blade portion of the blank and a recess in the opposite side of...
6109081 Key and cylinder lock system  
A dual cam, reversible key includes first and second patterns of notches in first and second edges of the shank of the key on a common side of the key shank of the key, providing a dual cam key....
6105404 Squiggle keys and cylinder locks for squiggle keys  
Improved squiggle keys and cylinder locks include a squiggle key groove formed along a first broad surface of the squiggle key and a plurality of bittings formed along a second opposite broad...
6094954 Key assembly with aperture, slot and insert  
A key and insert assembly is designed for the identification of keys or key blanks. The key is provided with a slot through the key head which is oriented in a plane parallel with the face of the...
6023954 Keys for cylinder locks  
A Key with a blade portion which is bitted for actuating the tumbler pins of a cylinder lock has improved cross-sectional strength despite deep cut bittings which extend well into the thickness of...
5970761 Lock system with key trapping  
A novel lock system utilizes a cylinder lock and a companion key with a projection extending from one side thereof to improve security. The cylinder lock comprises a shell, a core which is...
5964112 Locking cylinder and locking apparatus  
A locking cylinder (1) with a cylindrical housing (2) of which the core bore (7) receives a cylindrical core (8) having a key channel (9) with core pins provided in the cylindrical core and...
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...
5823030 Cylinder lock system  
A key having profile features which include a shaped indentation on a first side of the blade and an aligned projection on the opposite side of the blade cooperates with a cylinder lock with...
5809816 Cylinder lock and key combination including a profiled key  
A cylinder lock and key combination, where the key (20) has an undercut profile groove (24) at one side surface (22) thereof and, in the key slot (13), the lock key plug has a corresponding...
5797287 Flat key  
A key has a flat key body having a blade extending along a longitudinal insert axis and having a front edge formed with transversely directed bitting, an opposite longitudinally extending back...
5582050 Cylinder lock-key-combination, a key therefor and a method of producing the key from a key blank  
A cylinder lock-key-combination includes a lock cylinder, a cylinder housing (2) and a cylinder plug (3) provided with a key slot (3a) and a row of tumblers (5). The tumblers (5) and associated...
5531084 Key for rotary plug and cylinder lock, and method of forming the key  
A difficult-to-duplicate key for operating a rotatable plug and cylinder lock has an imaginary center axis that extends along the length of the key at a location situated between opposed,...
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...
5490405 Cylinder lock--key--combination  
A disc cylinder lock mechanism comprises a cylinder housing, an inner cylinder turnable inside the cylinder housing, and a stack of discs inside the inner cylinder. The discs define respective key...
5488843 Safety, insurance and alarm mechanical lock  
A safety, insurance and alarm mechanical lock contains an external lock portion, a multicylinder type lock cylinder portion, and a lock body portion engaging with the lock cylinder portion. The...
5485735 Key operated rotary plug and cylinder lock  
A key operated rotatable plug and cylinder define pin-receiving holes arranged in first, second and third rows that extend in first, second and third planes, respectively that radiate from a...
5438857 Lock cylinder and key as well as key blank with matched security device  
A lock cylinder with key, in which the cylinder has a rotor and a stator with radial tumbler pins and the key has depressions corresponding to the tumbler pins. At least one tumbler pin functions...
5372024 Lock-cylinder key  
The invention relates a lock-cylinder key (S) having bit steps (6) protruding on the wide sides (4) of its key shank (1) for the positioning of the lock-cylinder tumblers (19). In order to obtain...
5349830 Lock system  
A lock system has lock cylinders (5) in which the rotor (9) is lodged as usual in the cylinder housing, (11) as well as lock cylinders (6) in which the rotor (10) is rotated through 180° about its...
5287712 Locking arrangement consisting of key and lock cylinder  
The locking arrangement consists of key a and lock cylinder with a guide cross section provided on the rear of the key shank and with profiled longitudinal ribs arranged on the broad face for...
5272895 High security key and cylinder lock assembly  
A cylinder lock assembly includes a core, a key plug mounted for rotation in the core, and a key. The key plug is formed to include a keyway and a plurality of tumbler pin bores opening into the...
5265455 Cylinder lock and key set with reversible key  
A reversible double-bitted key is reconfigured to permit a cylinder lock and key set to fit in the standard architecture of certain American automobiles. Preferably, the maximum required diameter...

Matches 1 - 50 out of 102 1 2 3 >