| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 070358000 | Plural tumbler sets | 22 |
| 20080236223 | Key Combination Element in Key Blank and Key - A key blank including a generally elongate shaft portion defining first and second generally flat oppositely directed side surfaces, joined by edge surfaces, at least one of the first and second side surfaces cuttable to form key cuts that define a key combination surface, and at least one key combination element movably disposed in the elongate shaft portion and adapted for touching a lock combination element disposed in a cylinder lock plug, wherein the at least one key combination element has inherent energy for applying an urging force against the lock combination element. A key formed from the key blank and lock therefore are also disclosed. | 10-02-2008 |
| 20080236224 | REKEYABLE LOCK CYLINDER ASSEMBLY - A rekeyable lock cylinder assembly includes at least one lock cylinder and a mortise lock adapter. Each 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 axis. A plug assembly having a tool receiving aperture is disposed in the cylinder body and is rotatable about the longitudinal axis. A plurality of pins and a corresponding plurality of racks are disposed in the plug assembly. A first member is moveable in response to application of a force by a tool received through the aperture to simultaneously disengage all of the plurality of racks from the plurality of pins. The mortise lock adapter includes a housing configured for receiving the cylinder body of the lock cylinder. A mortise lock actuator is coupled to the plug assembly of the lock cylinder. | 10-02-2008 |
| 20080250830 | 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, the sides of the key or key blank have a portion grooved for registration, another portion grooved for top-level hierarchical master keying, and two other portions, one on each side of the blade, for further master key variations and different combinations. One of the two further sections being curvilinear and the other rectangular or angular cuts. The conforming keyway of the lock includes ridges and grooves corresponding to the grooves and ridges, respectively, of the key or key blank. Instruments other than keys or key blanks may be used to enter the grooves and ridges of the keyway to operate the lock without the use of a precisely configured key. | 10-16-2008 |
| 20080271506 | 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 includes a key slot and an inner pin chamber aligned with an outer pin chamber of the housing when the plug is in the locked position. An inner pin is disposed in the inner pin chamber for movement along an axis, and is engageable with the outer pin when the plug is in the locked position. The inner pin is engageable by a key inserted into the key slot, and includes an outer surface that defines a non-axial groove. An engagement member is supported by the plug and extends into the groove. | 11-06-2008 |
| 20090188287 | Axial spring balancing pin tumbler lock - An axial pin tumbler lock including a shell comprising a plurality of chambers formed in a radial pattern around a circle; a rotatable plug containing a through hole for mounting a center post, a main bore for receiving a tubular key, a first plurality of chambers formed in a radial pattern around a circle on its front end and arranged in such a way that each one of the first chambers in the plug extends coaxially with a corresponding chamber on said shell, and a second plurality of chambers formed in a radial pattern around a relatively smaller circle on its rear end, disposed in the shell; a plurality of spring-loaded driver pins disposed in the chambers on said shell; a plurality of spring loaded balance pins disposed in the second chambers and a plurality of combination pins disposed in the first chambers of said plug and initially extended into the chambers on said shell under compound extension force of the balance springs and the driver springs when the plug is at its locking position. | 07-30-2009 |
| 20090205385 | Method and Assembly to Prevent Impact-Driven Lock Manipulation of Cylinder Locks - A cylinder lock designed to prevent unauthorized manipulation of the lock using impact-driven methods such as a bump key. The cylinder lock has a plurality of first pin assemblies and at least one second pin assembly, containing a key pin, driver pin, and an elastomer plug, that is adapted so as to alter the linear displacement thereof through the use of the elastomer plug. When an impact-driven blow of a given intensity is applied so as to linearly displace the key and driver pins, the elastomer plug effectively absorbs the energy of the impact and fails to compress sufficiently to allow the key pin to clear the shear line, thus preventing the unauthorized manipulation of the lock. | 08-20-2009 |
| 20090301149 | LOCK AND KEY SYSTEM WITH EXTRA CODE COMBINATIONS - A key with a very large number of code combinations. The key includes a longitudinally extending by blade with a wave-like side code pattern forming a wave-like surface including a range portion at a free end portion of the key blade with the wave-like guide being formed on the key blade at a side surface. | 12-10-2009 |
| 20100050716 | LOCK CYLINDER - The invention relates to a lock cylinder for a baggage lock having a cylinder housing, furthermore having a cylinder core which is rotatable in the cylinder housing and which has a keyway with a key introduction opening and having a plurality of tumblers which are arranged in two rows which are oppositely disposed along the key channel, with the lock cylinder being able to be actuated by means of an associated dimpled key which comprises, on two mutually oppositely disposed flat sides, a respective coding section provided with dimples and a respective end section adjoining said coding section and extending up to the tip of the key, with the associated key in particular being of the type TSA006 and with the tumbler of at least one of the rows furthest from the key introduction opening being arranged in a section of the key channel which receives the dimple-free end section of the associated key. | 03-04-2010 |
| 20100083718 | CYLINDER LOCK AND KEY SYSTEM USING THE CYLINDER LOCK - A cylinder lock is provided that key-change is possible without taking out auxiliary tumblers to the outside, the number of keys subjected to the key-change can be increased correspondingly to the number of auxiliary tumblers, and also, each key can be set, limitlessly in the number of times, as not-usable/usable so that even after use of a master key, other adaptable keys are usable. | 04-08-2010 |
| 20100180650 | Anti-theft lock - An anti-theft lock includes a cylinder having multiple upper pin holes and a core is rotatably received in the cylindrical recess and has multiple lower pin holes which communicate with the upper pin holes. Each lower pin hole includes a shoulder located close to the wall of the core. A lower pin, an upper pin, a spring and a cap are installed into the aligned lower pin hole and upper pin hole in sequence. A special lower pin, a special upper pin, one of the springs and one of the caps are received in one of the aligned upper pin hole and lower pin hole. The special upper pin includes ridges rested on the shoulder of the lower pin hole and a gap is defined between the special upper pin and the special lower pin. | 07-22-2010 |
| 20100192651 | NOVEL LOCK WITH A TOOL AND METHOD OF FORMING THE LOCK - A pin tumbler lock having a housing with a series of holes running parallel to the longitudinal axis of the cylindrical bore in the housing. The holes are bored through the housing, and a first end of each hole opens to one of each of the chambers in the housing, between the first and second ends of the corresponding chamber, and a second end of each hole opens to the outside of said housing. A tool having a body comprising a tumbler-lock-housing receiving cavity, for receiving the housing therein, wherein the body comprises a first and second series of channels for creating the holes in a conventional pin tumbler lock housing. | 08-05-2010 |
| 20100199731 | PIN TUMBLER CYLINDER LOCK - The present invention relates to a pin tumbler cylinder lock having a cylinder casing and a plug selectively rotatable in the casing, and a plurality of driver pins and associated tumbler pins rotatable about their longitudinal axes. The cylinder lock includes a plurality of parallel circumferential tracks formed in the cylinder casing. Each of the tumbler pins is adapted and configured to seat in the plug and includes a track engaging element arranged to selectively engage one of said tracks. The tumbler pins are arranged to align both vertically and horizontally with matching depressions in a symmetrical key, in order to permit the turning of the plug in the cylinder casing when the key is turned. | 08-12-2010 |
| 20100206026 | 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 profile groove at a side surface thereof and at least one local recess adjacent to said profile groove. The local recess constitutes a locally expanded portion of said profile groove, and the locally expanded portion of the profile groove has a cross-section with two opposite, non-symmetrical side walls. The local reces will accommodate a blocking element in the lock, and permit full insertion of the key blade into the keyway. | 08-19-2010 |
| 20120279265 | LOCKING SYSTEM - A locking system is provided whereby at least two locking devices can be actuated with one and the same key. The key has at least two control tracks, via which, in at least two scanning planes lying one behind the other respectively transverse to the insertion direction, the scanning of scanning points provided on the key is possible. Via the scanning points provided in at least one scanning plane, both types of platelet tumblers can be scanned via the mating scanning points thereof and separated, so that the arrangement of one type of the two platelet tumblers in at least one scanning plane can be chosen freely in order to form a multiplicity of locking devices having cylinders cores having an associated cylinder housing and matched to the free choice of the platelet tumblers, which can be actuated with one and the same key. | 11-08-2012 |
| 20120297843 | LOCKING DEVICE - The invention relates to a locking device, in particular for a motor vehicle, having a key ( | 11-29-2012 |
| 20130000368 | LOCKING DEVICE - The invention relates to a locking device of a motor vehicle, having a key ( | 01-03-2013 |
| 20130276490 | CYLINDER LOCK - A locking mechanism is provided for a lock body and a rotatable key plug. The locking mechanism comprises pins having recesses, each of the pins adapted to be disposed in pin bores in the key plug for reciprocal and rotational movement. An elongated spring member simultaneously engages and biases the pins toward a keyway in the key plug. A locking bar moves between a first position and a second position where at least a portion of the locking bar is received in the recesses in the pins. The locking bar is prevented from moving to the second position unless the pins are in a position where the recesses are aligned with the locking bar. Upon insertion of a key in the keyway the pins are moved axially or rotated for aligning the recesses in the pins with the locking bar so the key can rotate the key plug. | 10-24-2013 |
| 20130298621 | KEY HAVING MOVABLE MEMBERS AND LOCKING SYSTEM - An illustrative key includes first and second substantially vertical blades being connected by a substantially horizontal connecting member such that an axial channel is formed between the two blades. Members may be slidingly coupled to the connecting member such that the members are moveable into the channel. | 11-14-2013 |
| 20140116102 | LOCK STRUCTURE - A lock structure includes a lock cylinder, a plug and a pin assembly, the plug is within an accommodating space of the lock cylinder. The plug comprises an outer lateral wall, a plurality of first lower pin holes and at least one second lower pin hole, each of the first lower pin holes comprises a first blocking edge, the second lower pin hole comprises a second blocking edge, wherein a second depth defined between the second blocking edge and the outer lateral wall is smaller than a first depth defined between the first blocking edge and the outer lateral wall. By height difference between the position of the first blocking edge and the position of the second blocking edge, an unmatched key can not contact with the second lower pin under instantaneous bump to prevent an unlock situation. Therefore, the burglar proof function is achieved. | 05-01-2014 |
| 20140290317 | LOCK CYLINDER CAPABLE OF CHANGING A KEY MEMBER - A lock cylinder includes a cylinder housing with a upper pin hole set and a replacing opening, a cylinder body with a lower pin hole set, a upper locking pin set, a second locking pin set and a clip member. The cylinder body is movably disposed inside the cylinder housing. The upper locking pin set is disposed inside the upper pin hole set for engaging the cylinder housing and the cylinder body. The second locking pin set is disposed inside the lower pin hole set for disengaging the cylinder housing from the cylinder body. The clip member constrains the cylinder body from sliding on the cylinder housing in a first position, and does not constrains the cylinder body from sliding on the cylinder housing in a second position. The cylinder body slides to a replacing position for replacing the second locking pin set via the replacing opening. | 10-02-2014 |
| 20150075237 | CYLINDER LOCK - In a cylinder lock, a half tumbler biased to engage an engagement portion with a locking recess of a cylinder body is inserted into a tumbler insertion hole of a rotor so that the engagement portion is retraced from the locking recess in response to insertion of a legitimate mechanical key into a key insertion hole. An inner side surface of the tumbler insertion hole is formed to include: a guide portion facing a half tumbler and extending in a moving direction of the half tumbler; and a passage forming portion having larger clearance with the half tumbler than that of the guide portion to form a release passage between the passage forming portion and the half tumbler such that the release passage faces the key insertion hole, extends in the moving direction of the half tumbler, and has opposite ends opened to an outer surface of the rotor. | 03-19-2015 |
| 20160017637 | CYLINDER LOCK AND KEY COMBINATION WITH A DUAL TUMBLER ASSEMBLY AND A KEY THEREFORE - A cylinder lock and key combination is disclosed, comprising a key ( | 01-21-2016 |
