Class / Patent application number | Description | Number of patent applications / Date published |
070490000 |
Rotary plug
| 107 |
070372000 |
Operating elements, parts and adjuncts
| 34 |
070358000 |
Plural tumbler sets
| 22 |
070367000 |
Cylinder and plug assembly
| 13 |
070371000 |
Detachable or removable cylinder | 3 |
20080264124 | Lock core assembly with multiple burglarproof effects - A lock core assembly has a lock shell, a lock core mounted rotatably in the lock shell, multiple pin assemblies and an arrestor. Multiple mounting chambers are formed between the lock core and the lock shell. The pin assemblies are mounted respectively in the mounting chambers and each have an upper pin situated at an interface between the lock core and the lock shell to prevent a rotation of the lock core and a lower pin with an annular groove. The lock shell has a retaining cavity formed inside. The lock core has a mounting recess communicating with the mounting chambers and aligning with the retaining cavity. The arrestor is mounted slidably in the mounting recess. Without inserting a right key into the lock core, the arrestor is held in the retaining cavity to prevent the lock core from rotating to provide an improved burglarproof effect. | 10-30-2008 |
20110041576 | LOCK CORE ASSEMBLY - A lock core assembly has a lock shell, a lock core and a pin segment. The lock shell has multiple upper pin chambers and a lid. The lock core is mounted rotatably in the lock shell and has multiple lower pin chambers. The lower pin chambers are formed radially through an outer surface of the lock core and respectively align and communicate with the upper pin chambers. The pin segment is mounted between the lock shell and the lock core and has multiple pin assemblies including at least one suspended pin assembly. Each suspended pin assembly has a suspending spring and a suspending block. The suspending spring is connected to a lower pin. The suspending block is mounted on and supported by the suspending spring and abuts with a returning spring. | 02-24-2011 |
20130199253 | INTERCHANGEABLE CYLINDER SYSTEM - An interchangeable cylinder system for furniture locks. The interchangeable cylinder system includes a cylinder housing, a lock cylinder configured to be inserted into and withdrawn from the cylinder housing. The lock cylinder is configured to be twisted about a longitudinal axis of the lock cylinder between an opening position and a closing position. The lock cylinder includes a collar which protrudes radially with respect to the longitudinal axis and beyond a jacket surface of the lock cylinder. The lock cylinder includes an opening into which an unlocking element is configured to be inserted. The jacket surface includes an annular groove into which a locking element engages to secure the lock cylinder in the cylinder housing. An axial stop is integrally attached in an interior of the cylinder housing and through which stop a base region of the locking cylinder extends, which base region is remote from the collar. | 08-08-2013 |
070361000 |
Sliding plug | 2 |
20100126241 | CYLINDER LOCK UNIT WITH AN EXTRA LOCKING PIN - A cylinder lock unit is disclosed, with an elongate housing portion ( | 05-27-2010 |
20130019643 | MULTI-POINT LOCK HAVING SEQUENTIALLY-ACTUATED LOCKING ELEMENTS - A lock includes a deadbolt assembly having a deadbolt and a deadbolt actuator. The lock also includes a latch assembly discrete from the deadbolt assembly. The latch assembly includes a shoot bolt and a shoot bolt actuator. A blocking element may block actuation of the shoot bolt from an unlocked position to a locked position when the deadbolt is in a retracted position. Alternatively or additionally, the blocking element may block actuation of the shoot bolt from a locked position to an unlocked position when the deadbolt is in an extended position. | 01-24-2013 |
070360000 |
Sliding and rotary plug | 2 |
20080245119 | CYLINDER LOCK DEVICE - A cylinder lock device is provided with a rotor | 10-09-2008 |
20090241620 | Cylinder Lock and Auxiliary Locking Mechanism - A tumbler pin lock includes an auxiliary locking mechanism including an auxiliary locking pin to provide enhance locking in addition to the locking provided by the tumbler pins so that the lock remains locked even if the tumblers are picked or bumped into their unlocked positions. | 10-01-2009 |
070370000 |
Cylinder attaching or mounting means | 1 |
20080202179 | Lock Mechanism for an Enclosure and a Mold Device and Method for Forming a Lock Bore - A locking mechanism for an enclosure is provided. The enclosure comprises a base including a locking groove formed therein, and a lid pivotally coupled with the base having a lock bore formed therein. The lock mechanism is mounted in the lock bore and includes a pin that is selectively positioned within the locking groove to secure the lid to the base. Also provided is a molding device and method for forming the lock bore. The mold device includes a base member with a pair of arms having a mold protrusion and a lower cam surface. The molding device also includes a housing having a pair of mold protrusion openings. The mold protrusions selectively extend outwardly through mold protrusion openings when a wedge engages the lower cam surfaces on the arms, wherein the arms spread apart from one another to form a pair of snap grooves in the lock bore. | 08-28-2008 |
070359000 |
Concentric tumblers | 1 |
20090293563 | LOCK WITH MULTIPLY CIRCLED CYLINDER - A lock with a multiply circled cylinder mainly comprises a lock body and a key. The lock body includes a multiply circled cylinder and a housing receiving the multiply circled cylinder. The multiply circled cylinder assembly further comprises a front rotating shaft, a front shaft seat, a rear rotating shaft and a rear shaft seat. The housing has an outer sleeve and an inner sleeve. The key comprises a large cylindrical key parts, a small cylindrical key part and a central key pole. The front rotating shaft has a plurality of outer locking pins and the rear rotating shaft has a plurality of inner locking pins. The large cylindrical key part has a plurality of teeth corresponding to the outer and inner pins in the front and rear rotating shafts. Hence, the lock with a multiply circled cylinder assembly is capable of being constructed as either the rotary lock or the push-in lock easily. | 12-03-2009 |
Entries |
Document | Title | Date |
20080264123 | Cylinder Core - The invention relates to a cylinder core ( | 10-30-2008 |
20080289378 | 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 columnar body includes a front flanges, a rear drive section and a U-shaped indentation at the inner lateral surface that provides for insertion into the second semicircular columnar body. On the first and second semicircular columnar bodies, one or more slots are disposed to fasten with the wafers. A relatively wider rectangular notch is disposed between the inner sides of every two slots, which are respectively installed with a wafer; only one spring is positioned in the wider rectangular notch, thereby serving as a shared spring for every two wafers. The material cost of a spring is saved; besides, it's able to prevent from prying effectively because a burglar cannot pry two wafers supported by a shared spring. | 11-27-2008 |
20090019904 | KEY AND LOCK - A thin key that is thin but includes serrations on each of two opposite sides of a blade ( | 01-22-2009 |
20090031768 | CYLINDER LOCK, CLUTCH DEVICE AND UNLOCKING DEVICE COMPRISING THEREOF - A cylinder lock includes a sleeve, and a key plug housed in the sleeve and having an output portion to output an interrupted motion of a clutch device by moving in an insertion and extraction direction by an insertion and extraction of a matching key. The key plug is formed by a pivoting spindle in which the output portion pivotally supports an input clutch element and an output clutch element of the clutch device in the output state by an insertion of the matching key. | 02-05-2009 |
20090038354 | Locking Device - Disclosed is a locking device which comprises a housing, and a cylinder device rotating within the housing, wherein the housing is provided with a protrusion therein to prevent the cylinder device from being rotated, and the cylinder device includes a motor, a cylinder receiving the motor, a tilting mechanism located at the front of the cylinder, having an upper portion tilted to be fixed to the protrusion of the housing by forward rotation of the motor and a recess released from the protrusion of the housing by reverse rotation of the motor, and a locking plate adapter fixed to the tilting mechanism, and a locking plate fixed to the adapter. | 02-12-2009 |
20090277233 | 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 to the longitudinal axis, a keyhole and a first through hole. Each of the assembled pins is movably disposed in the plug body and comprises a first rack component and a second rack component selectively engaging with the first rack component. The position block disposed at the plug body has a plurality of pin runners used for disposing the first rack components, a second through hole corresponding to the first through hole and a tool-contacting surface located within the second through hole. The position block can move along the transverse axis-direction of the plug body to make each of the first rack components reengage with each of the second rack components. | 11-12-2009 |
20090277234 | 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 transverse axis perpendicular to the longitudinal axis and a first through hole. Each of the assembled pins is movably disposed in the plug body and comprises a first rack component and a second rack component selectively engaging with the first rack component. The position block is disposed at the plug body and has a plurality of pin runners for disposing the first rack components and a second through hole corresponding to the first through hole. The rotating member is installed penetrating the first through hole and the second through hole and has a contacting portion located within the second through hole, wherein the position block is capable of being pushed by the contacting portion and moved along the transverse axis-direction of the plug body for disengaging the first rack components from the second rack components. | 11-12-2009 |
20100192650 | SELF-ADJUSTING CYLINDER MONITOR ASSEMBLY - A cylinder lock monitoring assembly for monitoring position of a lock cylinder. The monitoring assembly includes a housing having an inner cavity and an exterior diameter. The exterior diameter of the housing is not significantly greater than the corresponding cylinder diameter. The assembly further includes a switch received into the inner cavity of the housing. The switch is in electrical communication with an indicator. The switch is reactive to any change in position of the lock cylinder. | 08-05-2010 |
20110041575 | LOCKING DEVICE COMPRISING A KEY AND A LOCKING CYLINDER - A locking device comprises a key ( | 02-24-2011 |
20110072867 | 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 elements to operate a lock and a pair of coaxial operating elements, wherein one element of the pair is operative from the first surface of the shaft and the other element of the pair is operative from the second surface of the shaft, and wherein at least one of the operative elements is a resilient element mounted inside a bore provided in the shaft, wherein the resilient element is operative to exert a compressive force on a pin mechanism of the lock in response to the operative engagement and thereby release the pin mechanism from a lock position, without requiring any pressure on the coaxial element on the other side. | 03-31-2011 |
20110072868 | CYLINDER PROTECTIVE SYSTEM - A substantially burglary-proof lock, comprises a housing formed with a cylindrical bore defining an inner cylindrical surface, and a cylinder within said bore carrying locking elements movable to locking and unlocking positions with respect to said housing, said cylinder having an outer diameter equal to the diameter of said bore so as to be rotatable when the locking elements are in unlocking position with respect to said housing, said cylinder being formed with a keyway for receiving a proper key in order to move said locking elements to their locking and unlocking positions with respect to said housing, characterized in that said cylinder carries at least one insert of a hard material configured, dimensioned and located such as to prevent pull-out of the cylinder from the housing by a pull-out force applied to the cylinder, and/or by drilling through the locking elements. | 03-31-2011 |
20110289989 | 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 are complementary to the longitudinal sectional profile of the cutter teeth are milled into the broad side by advance in the longitudinal direction of the key, in one work operation, using a milling cutter that has cutter teeth on its peripheral surface and rotates about a cutter shaft. To produce undercut grooves, the axis of the cutter shaft is inclined at an angle of inclination relative to the longitudinal center plane of the key, ribs of the cutter teeth producing an undercut guide wall using at least one rib. | 12-01-2011 |
20120011908 | KEY MECHANISM - A key mechanism that includes a key having a shank portion and a grip portion secured to the shank portion. The mechanism further includes a frame with the key being rotatably secured within the frame such that the shank portion protrudes from a first end of the frame. The grip portion of the key may be accessed and rotated to rotate the shank portion while the key is in the frame allowing one-handed operation of the key mechanism. | 01-19-2012 |
20120096910 | Key Release Stud - This invention relates to a locking assembly having material adapted to contract when activated comprising a fastener having a locking stud having a locking cavity and an aperture for receiving the locking stud, a locking means having jaws adapted to engage the locking cavity of the locking stud when received in the aperture, and an unlocking means comprising rotating cylinder having an opening for a key. | 04-26-2012 |
20120255333 | TAMPER RESISTANT LOCK - A tamper resistant lock is provided. The tamper resistant lock comprises a primary locking mechanism for locking and unlocking the tamper resistant lock with an appropriate key. A secondary locking mechanism is engaged and prevents unlocking when a sufficient force is applied to the tamper resistant lock. The force may be the result of driving a screwdriver into a keyway of the lock in an attempt to forcefully unlock the lock. | 10-11-2012 |
20130019642 | LATCHES FOR GATES AND DOORS - A latch has a displaceable latching element in a housing for engagement with a separate striker arm to be latched behind an engagement shoulder of the latching element. The housing mounts a cylinder lock to receive a key from the front: A rotor is mounted on the rear of cylinder lock and rotation of the key rotation the rotor to drive a locking element to engage and lock the latching element. The rotor may also be axial displaceable against spring biasing responsive to a rear unit pushing element whereby unlocking from a rear cylinder lock may rotate the rotor to unlock and pushing causes the latching element to be displaced against its biasing to release the striker arm. | 01-24-2013 |
20130031942 | MAGNETIC GATE LATCH - A latch has a magnet in one unit and an attracted element (e.g. ferromagnetic structure or another magnet) in second unit with a latching mechanism which operate under magnetic attraction. The latch has an actuator connected to a linkage to cause displacement of the magnet or the attracted element in a direction substantially normal to the axis of pivoting. | 02-07-2013 |
20130047686 | LOCKABLE STRIKE FOR WALK-IN COLD ROOMS - A lockable strike for walk-in cold rooms includes a housing that has a mounting plate, a cover and a deadbolt moveably engaged therein to reciprocally move along a path of travel between an extended position and a retracted position with respect to the housing. The mounting plate includes a base and a bridge defining a tongue channel through which the deadbolt travels. The mounting plate base is made of a metal for strength while the cover is made of a plastic for thermally insulative purposes. | 02-28-2013 |
20130055775 | LOCK ASSEMBLY - A lock assembly ( | 03-07-2013 |
20130098124 | ROTARY LATCH - A rotary latch mechanism is provided for securing the lid of a container in a closed position wherein a mechanical advantage is employed to facilitate latching and unlatching of a latch plate of the rotary latch mechanism. | 04-25-2013 |
20130152647 | LOCK - A lock includes a bolt having latching and unlatching positions, and a locking component having a locking position in which the bolt is prevented from moving from the latching position to the unlatching position, and an unlocking position in which the locking component does not prevent the bolt from moving. A lock cylinder includes a cam having unlocking and deadlocking positions. A deadlocking component has a disengaging position in which the deadlocking component does not prevent the locking component from moving from its locking position to its unlocking position; and when the locking component is in its locking position, an engaging position in which the deadlocking component prevents the locking component from moving. When the cam is in its unlocking position, the locking component is in its unlocking position and a deadlocking component is in its disengaging position, and conversely when the cylinder cam is in its deadlocking position. | 06-20-2013 |
20140020438 | HANDLE FIXING MECHANISMS AND METHODS OF MAKING AND USING THEREOF - A lock system, comprising a stationary member, a hand operated member, and a coupling member, wherein the stationary member and the hand operated member are configured to be operably coupled by the coupling member, and wherein the connection member is configured to remain within the stationary member and to extend into or retract from the hand operated member. | 01-23-2014 |
20140083147 | Latch Assembly - A compression latch is provided having a lock bolt operated via a codable cylinder lock. The lock bolt includes a guide having first and second inner surfaces. The lock includes a rotatable portion having a cam with a projection that is movable between the first and second inner surfaces. When the rotatable portion of the cylinder lock rotates via the key to cause the projection to move from a first position to a second position, the projection contacts the second inner surface and urges the lock bolt to engage a control member which prevents a handle of the compression latch from rotating. When the rotatable portion rotates via the key to cause the projection to move from the second position to the first position, the projection contacts the first inner surface and urges the lock bolt to disengage from the control member, which enables the handle to rotate. | 03-27-2014 |
20140109635 | LOCK ASSEMBLY - A lock assembly has a body, a latching device, a linking device and a locking mechanism. The linking device is connected to and driven by the latching device. The locking mechanism is moveably mounted in the body and has a bolt base, a pushing element, a lever element and a locking bolt. The bolt base is mounted slidably in the body. The locking bolt is slidably mounted on the bolt base and is driven to retract into or completely extends out from the body with the transmission of the pushing element and the lever element. | 04-24-2014 |
20140230502 | LATCHES FOR GATES AND DOORS - A latch has a displaceable latching element in a housing for engagement with a separate striker arm to be latched behind an engagement shoulder of the latching element. The housing mounts a cylinder lock to receive a key from the front. A rotor is mounted on the rear of cylinder lock and rotation of the key causes rotation of the rotor to drive a locking element to engage and lock the latching element. The rotor may also be axial displaceable against spring biasing responsive to a rear unit pushing element whereby unlocking from a rear cylinder lock may rotate the rotor to unlock and pushing causes the latching element to be displaced against its biasing to release the striker arm. | 08-21-2014 |
20140352374 | LOCK CYLINDER HAVING ENHANCED BURGLARPROOF EFFECT - A lock cylinder includes a housing including an axial bore extending from a front end thereof through a rear end thereof along an axis. The axial bore includes a first larger section in the front end, a second larger section in the rear end, and a smaller section intermediate the first and second larger sections. An annular protrusion is integrally formed on an inner wall of the axial bore intermediate the first and second larger sections, and the smaller section is defined in the annular protrusion. The lock cylinder further includes first and second key plugs rotatably and respectively received in the first and second larger sections about the axis. Each of the first and second key plugs includes a keyway for insertion of a corresponding key. The keyways of the first and second key plugs and the smaller section of the axial bore are aligned with each other. | 12-04-2014 |
20140373581 | KEY AND DISC TUMBLER CYLINDER LOCK - A key and a lock cylinder, which are formed such that the guiding the key into the keyhole and the key canal occurs precisely and in a user-friendly manner. The precise placement of the key in relation to the lock cylinder and its parts enables even distribution of the forces directed onto the key and the lock cylinder. | 12-25-2014 |
20190145126 | KIT ADAPTED TO ALLOW AFFIXING ACCESSORIES DESIGNED TO OPERATE WITH EUROPEAN LOCKING CYLINDERS, TO OPERATE AN AMERICAN TYPE MORTISE LOCK | 05-16-2019 |