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7578475 |
Pressure responsive blowout latch
An apparatus, system and method including a latching device for displaceably retaining a panel relative to a frame. The latching device includes at least a bolt which is carried on the latching...
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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...
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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...
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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...
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7204050 |
Exit device with lighted touchpad
An exit device includes an electroluminescent exit sign assembly, preferably mounted on a push rail actuator of the exit device. An electroluminescent illuminator, an opaque material and a...
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7201405 |
Inertia-activated mechanism
An inertia activated mechanism that may be incorporated with a door handle assembly and counteracts a crash force. When the crash force is applied, a locking tab is in a lock position to prevent a...
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7163256 |
Motor vehicle having a lock
A motor vehicle has a lock with a movable locking element, particularly a rotary latch, which lock, in addition to being equipped with an electric unlocking device for the locking element, is...
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7118141 |
Apparatus and method for securing an exit device to a door
A securing mechanism for coupling an exit device to a door. The securing mechanism comprises a bracket coupled to the exit device and a shaft having a first end and a second end and defining a...
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7070210 |
Fire-blocking door lock structure
A fire-blocking door lock structure includes a latching member mounted on a fire-blocking door lock and an actuation mechanism mounted in the latching member. The actuation mechanism includes a...
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7044510 |
Fire door lock mechanism
A fire door lock mechanism is provided, allowing a user to directly push and press a handlebar forwards to activate a lock bolt and open a fire door mounted with the lock mechanism in a comfortable...
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7000958 |
Assist device for a door handle and latch assembly
An assist device for a door handle comprises an elongated bar which has one end pivoting about a pivot pin and another end receiving a pivot piece therein. The parts interact to produce a tight...
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6959949 |
Device for securing a door leaf against unintentional deflection
A driven part can be pivotably mounted to the door frame so that, in a starting position, it engages a driving part fixed to the leaf frame in order to fix the position of the door leaf with...
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6953211 |
Anti-panic opening system for doors
Anti-panic opening system for doors in which a lateral spring latch bolt ( 3 ) is actuated by an actuator assembly ( 10 ) including a first and a second movable actuating member ( 19, 20 ) designed...
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6866227 |
Pressure responsive blowout latch with reservoir
A method and apparatus for maintaining a panel in a closed position and releasing a panel upon application of changes resulting from a pressure change in an area adjoining the panel. The apparatus...
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6866226 |
Pressure responsive blowout latch
An apparatus, system and method including a latching device for displaceably retaining a panel relative to a frame. The latching device includes at least a bolt which is carried on the latching...
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6860528 |
Exit device with a detachable touch bar assembly
This is invention provides a touch bar exit device for a door having an active case attached to the door and an inactive case attached to the door. A touch bar assembly is releasable attached to...
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6820905 |
Vertical panic exit device
A vertical panic exit device is interchangeably mountable on either left-hand opening or right-hand opening doors and comprises a latch mechanism for engagement with a strike mounted to a doorjamb...
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6715225 |
Illuminated exit bar
An illuminated exit bar incorporates a light source within the elongated space defined between a door-mounted housing and a push bar. The push bar defines an elongated opening for light generated...
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6619704 |
Emergent unlatching mechanism for fire door latch assembly
This assembly relates to an emergent unlatching mechanism for the fire door latch which includes a guide tube and a connecting tube so assembled and attached to the interior of the fire door latch...
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6612626 |
Exit device with a tension support
This invention provides a touch bar exit device on a door. The exit device has a touch bar assembly having two ends supported at one end by an active case attached to the door and an inactive case...
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6601881 |
Push-action door release device and method of installing the same
A door release device ( 10 ) includes a pivot bar ( 40 ) on which a push plate ( 44 ) and an actuator ( 48 ) are mounted. The actuator ( 48 ) is aligned with a door latch handle ( 20 ) and the...
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6565130 |
Dual action latch retractor
An exit bar employs a dual action latch retractor comprising a slotted link which connects manual and electrically actuated latch retraction means. The slot permits the latch to be retracted by a...
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6550831 |
Lock and emergency release system for power operated doors
A lock and emergency release system for a door normally power operated by a door operator. The system comprises a lock displaceable between an idle position to a functional position in which...
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6543265 |
Door lock-and-handle assembly
A door lock-and-handle assembly includes a housing receiving a latch bolt and a dead bolt adjacent to the latch bolt, an escutcheon defining a recess, a handle mounted on the escutcheon, a spindle...
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6382685 |
Sliding catch with a partition release assembly
A sliding catch with partition release assembly for a fire extinguisher cabinet having a locking mechanism that comprises of a L-shaped member that has a first portion and a second portion that is...
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6032985 |
Latch assembly
A latch device, which is especially adapted for an exit bar, incorporates a trigger assembly. When the latch device is retracted and released, as ordinarily occurs when the door is opened, the...
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5988708 |
Electromagnetically managed latching exit bar
An exit bar for securing a door has a housing adapted for mounting to a door. A push pad for receiving a push force is mounted to the housing. A latch extends from the housing to releasably latch...
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4741563 |
Center case assembly, and a universal, center case sub-assembly
Central to the invention is a universal, center case sub-assembly from which, by adding components thereto, one may fabricate a rim style center case assembly, or a concealed-vertical style center...
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4387917 |
Panic bolt units
A door lock and release mechanism carried by a door and having a pair of oppositely directed locking bolts simultaneously movable to a release position by a door mounted operating bar. Provision is...
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4185859 |
Door opening system
A door opening system for permitting ingress and egress through a door utilizing a displaceable impact loading in one motion of a user. The door opening system includes a broad surface planar...
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3992909 |
Safety release for automobile trunk
A safety release for unlocking the trunk lid of an automobile from within the trunk compartment. The release is an integral part of the lid locking mechanism and includes a clutch assembly for...
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3181904 |
Latch with emergency release means
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2966864 |
Refrigerator lock with inside release
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0990358 |
Title is not available
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