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| Number | Title | Issue Date |
| 8182003 | Exit device and method of operating the same The invention provides a method of operating an exit device. The exit device includes a locking mechanism for locking and unlocking a door, the locking mechanism having a latch bolt movable between an extended state and a retracted state, and a link connected to the... | 05/22/2012 |
| 8146961 | Exit device An exit device includes a housing, a latchbolt coupled to and movable relative to the housing, and an auxiliary bolt coupled to the housing and movable relative to the latchbolt. The exit device also includes a deadlock link coupled to the housing and movable relati... | 04/03/2012 |
| 8070192 | Dogging device for latch assembly A dogging device includes a base mounted in a housing of a latch assembly. The base includes a hole through which a shaft rotatably extends. A limiting keyway extends from the hole and receives and limits rotation of a shaft key on the shaft. A dogging member includ... | 12/06/2011 |
| 8042843 | Adjustable driving mechanism for panic door lock A door lock includes a bracket fixed to a door. A linking rod is slideably mounted to the bracket and includes a slot. A draw member includes a first end pivotably connected to the bracket and a second end operably connected to a retractor. The draw member further i... | 10/25/2011 |
| 8029027 | Latch device for panic door lock with anti-picking function A latch device (30) for a door lock includes a latch (38) pivotable between an extended, locking position and a retracted, unlocking position upon operation of a linking rod (37). A liming block (36) is coupled with the linking rod (37... | 10/04/2011 |
| 7918487 | Unlock transmission mechanism for escape door An unlock transmission mechanism for escape doors is disclosed, including a base, a transmission member, a first drive unit and a second drive unit, wherein the transmission member, the first drive unit and second drive unit are all disposed on the base, and the tra... | 04/05/2011 |
| 7905522 | Exit pushbar with blocking mechanism An exit device for latching a door in tornado-prone areas keeps the door closed when the door is subjected to tornado debris impact by incorporating a blocking arm that swings outward away from the door as impact energy is transferred through the door to the blockin... | 03/15/2011 |
| 7896407 | Auxiliary safety module for doors provided with anti-panic opening device Auxiliary safety module for doors provided with an anti-panic opening device, comprising, a rotating locking member movable between an extracted position and a recessed position, a first elastic element tending to maintain the locking member in its extracted positio... | 03/01/2011 |
| 7887107 | Universal assembly for top and bottom latches A latch assembly includes a base mounted to a door and a latch bolt having a latch pivotably connected to the base. The latch bolt further includes a link pivotably connected to the latch and the base. A follower plate is pivotably connected to the link, allowing pi... | 02/15/2011 |
| 7883123 | Electronic push retraction exit device An electronic push retraction exit device includes a support rail, a push rail and a latch mechanism having a latch bolt operably connected to the push rail and movable between latched and unlatched positions. A control circuit in the exit device drives a linear act... | 02/08/2011 |
| 7832778 | Delayed egress exit device A touch bar (24) exit device (20) comprises a retractor element (50) disposed in the housing (22) for substantially restilinear movement. The retractor element (50) connects the touch bar (24) and the latch bolt (82) ... | 11/16/2010 |
| 7832777 | Door lock assembly A lock assembly for use with a door movably coupled to a door frame. The lock assembly includes a housing, a control member, a latchbolt, and a locking member. The control member is movably coupled to the housing from a locked position to an unlocked position to all... | 11/16/2010 |
| 7748757 | Connecting device for concealed-type top or bottom latch for panic exit door lock A connecting device (40) for a concealed-type latch of a lock for a panic exit door includes a connecting member (46) having an end (464) operably coupled to a latch (128). A draw rod (48) includes an end (484) pivotably cou... | 07/06/2010 |
| 7731248 | Anti-panic control device for doors Anti-panic control device for doors, comprising, a base structure, a spring latch mounted rotatable relative to the base structure around a main axis, the spring latch being able to rotate between a closed position and an open position and being associated to an ela... | 06/08/2010 |
| 7722096 | Latchbolt for a door lock assembly A latchbolt configured for use with a door lock assembly. The door lock assembly is configured for interaction with a strike coupled to a door frame, and operable to place the latchbolt in a locked configuration using the strike to generally prevent rotation of the ... | 05/25/2010 |
| 7712800 | Fireproof door lock assembly An fireproof door lock assembly comprises a handle seat frame being a U shape frame; a press unit installed in the U shape frame of the handle seat frame; the press unit having a driven mechanism; the driven mechanism including a driven unit; a plurality of buckling... | 05/11/2010 |
| 7712799 | Hidden lock locked to an inner side of a doorplate A hidden lock locked to an inner side of a doorplate comprises a top seat assembly; a top rod; the top seat assembly being assembled to the top rod; a linking rod installed to a lower side of the top rod; a lower rod; a lower head; a top seat assembly; a resisting u... | 05/11/2010 |
| 7641244 | Fire door lock A fire door lock includes a base assembly including first and second slide blocks, a locking control assembly including a movable seat forming a groove and a tongue control plate movably mounted to one side of the locking control assembly, and a winglet assembly inc... | 01/05/2010 |
| 7503597 | Midrail mounted exit device An exit device for a door having a first stile, a second stile, and a midrail coupled to the first and second stiles and defining a cutout. The exit device comprises a latching mechanism positioned in the cutout. A pushbar positioned in the cutout encloses the latch... | 03/17/2009 |
| 7484777 | Electronic push retraction exit device An electronic push retraction exit device includes a support rail, a push rail and a latch mechanism having a latch bolt operably connected to the push rail and movable between latched and unlatched positions. A control circuit in the exit device drives a linear act... | 02/03/2009 |
| 7469942 | Delayed egress exit device A touch bar (24) exit device (20) comprises a retractor element (50) disposed in the housing (22) for substantially restilinear movement. The retractor element (50) connects the touch bar (24) and the latch bolt (82) ... | 12/30/2008 |
| 7424814 | Dead bolt lock system having multiple security features A dead bolt lock system having one or more security locks in conjunction with a dead bolt to provide various levels of security access to a door. An inertia assembly restrains movement of the dead bolt when a shock load is applied to the door, but allows the dead bo... | 09/16/2008 |
| 7399008 | Safety locking device for a container in a vehicle A safety locking mechanism includes an engaging device, which holds a mass in a deflected position, and a restoring device effective by applying an overpressure to a receptacle and which directs the mass into a basic position. ... | 07/15/2008 |
| 7364211 | Vehicle lock controlled by a shape memory alloy actuator A contractible shape memory alloy (SMA) wire is used to throw a lever in a latch. The SMA actuator provides weight and space savings. In one embodiment, the SMA actuator is incorporated in the handle of the latch in order to provide a child lock or double lock funct... | 04/29/2008 |
| 7360801 | Door latching system A latching system comprising a base having a first keeper secured thereto, a closable member adapted to engage the base, an elongated member rotatably secured to the closable member, said elongated member including a first connector adapted to engage the first keepe... | 04/22/2008 |
| 7350838 | Catch or locking element The invention relates to a catch, in particular a catch for furniture. Said catch comprises at least one first catch element, which has at least one spring-loaded locking part and a second catch element that forms a counter-locking part. According to the invention, ... | 04/01/2008 |
| 7347461 | Door handle actuated electronic egress system An electronic egress system includes at least one door, each door having a handle defining an interior area, an actuator and an exit control assembly including a switch assembly located substantially within the handle's interior. The handle is movable relative to th... | 03/25/2008 |
| 7341289 | Emergency unlocking system for the trunk of a motor vehicle This invention relates to an emergency unlocking system for a motor vehicle trunk (2), with a trunk lock (6) which comprises at least one lock latch (7) and an interacting locking part (8), with a catch means (14) which limits the ... | 03/11/2008 |
| 7310924 | Vacuum packaging appliance with sealing sub-assembly including latch and release lever mechanisms A vacuum packaging appliance with a sealing sub-assembly including a latching mechanism and release mechanism is described. According to certain embodiments, the release mechanism, latch and sealing sub-assembly operate in an integrated fashion such that the vacuum ... | 12/25/2007 |
| 7309087 | Latch assembly for movable closure element A latch assembly kit including a latching subassembly, a first actuating assembly having a first configuration and normal and release states, and a second actuating assembly having a second configuration and normal and release states. The latching subassembly has a ... | 12/18/2007 |
| 7306268 | Manual releasing mechanism for power locking apparatus A manual releasing mechanism for a power locking apparatus including a detachable hook-shaped portion 26 for holding a locked state and a flexible belt 17, wherein the hook-shaped portion is locked to a releasing lever 11 of the door locking app... | 12/11/2007 |
| 7303217 | Door handle, especially for vehicle, provided with an inertial security system A handle for a motor vehicle door comprising a lever that can rotate about a first axis in a frame that is fixed to the door and is connected mechanically to a rocker wheel that rotates in the frame about a second axis when the stop piece belonging to a locking memb... | 12/04/2007 |
| 7293805 | Safety door central release device This invention relates to a type of safety door central release device which can be used to close the safety door automatically when electric power is disrupted. It comprises a cord that is tied to a mechanism having potential energy on one end, and extended to a fa... | 11/13/2007 |
| 7287787 | Linear thumb-piece actuation latch mechanism This invention provides a thumb-piece door latch mechanism which has ergonomic features, is modular and can be used with any escutcheon, can be used with all type locks, and which in the locked door mode provides greater resistance to abusive attack of the door latc... | 10/30/2007 |
| 7287784 | Fire-blocking door lock structure A fire-blocking door lock structure is mounted on a fire-blocking door including a frame member, a push handle and a casing. The casing has the bottom thereof fixed to a plate member and connected to a base body. The fire-blocking door lock structure includes a midd... | 10/30/2007 |
| 7284776 | Vehicular door handle included secondary latch A vehicular door handle assembly comprises a secondary latch with a default active condition for preventing inadvertent movement of the door handle assembly during an impact, such as a collision. The door handle assembly comprises a primary actuator and a secondary ... | 10/23/2007 |
| 7284775 | Single action handle mechanism for operating the door/window A single action handle mechanism for operating a door/window having at least one handle connected to a cam which operates a spring loaded latch. The handles are mounted on handle plates, each functioning independently of the other. The handle plates are connected to... | 10/23/2007 |
| 7267379 | Flush bolt A flush bolt includes a bolt head and a strike. The bolt head moves out of the flush bolt in response to movement of the strike into the flush bolt, through a movable cam surface in the flush bolt. The bolt head is withdrawn towards the flush bolt when the strike is... | 09/11/2007 |
| 7261329 | Safety latch arrangement A safety latch automatically stops a drawer or cabinet door both when opening and closing. In a preferred embodiment, the safety latch is a one-piece design and catches on the front face of the cabinet. ... | 08/28/2007 |
| 7258374 | Low profile push/pull door latch assembly A push/pull door latch assembly for use in a door includes a handle assembly and a latch cylinder. The handle assembly has a stop configured for limiting the movement of the handle during the push or pull operation, and absorbing shock transmitted from a user's hand... | 08/21/2007 |