Class 292/21 - Emergency operating means

Subclass of Class 292 - Closure fasteners
Definition: Devices operated by various forms of emergency or panic
No. of patents: 79
Last issue date: 11/15/2011

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Number	Title	Issue Date
8056941	Lock with emergency unlocking mechanism A door locking device for a door cooperating with a door frame includes a cylinder lock, at least one elongated bolt, and an emergency unlocking mechanism. The elongated bolt is adapted to move linearly to engage to and disengage from the door frame. A transmission ...	11/15/2011
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
7284290	Dual-modal-shape bed lounge Dual-modal-shaping capability is added as a new feature in bed lounges of the type having a fabric slip-cover enclosing foam padding on a main structure formed from plastic sheet material. User adjustment is provided for back tilt, head-rest tilt and height, arm-res...	10/23/2007
7257973	Chassis for a lock set An interconnected chassis includes a mounting plate including a spring engaging tab. A cover plate includes a recessed spring retention wall. A lower cam has a lower pivot axis. An upper cam has an upper pivot axis. A slide plate is positioned between the mounting p...	08/21/2007
7205492	Push button actuator A push button actuator unit has a housing which defines a through passage that extends along an axis of the housing, and a slot that extends in a plane which transversely intersects the axis and communicates with the passage for supporting in the housing-defined slo...	04/17/2007
7179012	Spring-opened lock with a plunger that moves perpendicular to a longitudinal axis of the spring A lock joins two bodies together. The first body has a first hole and the second body has a second hole, and the lock includes a rail on the first body adjacent to the first hole, two spaced-apart cradles movable on the rail, a spring between and attached to the two...	02/20/2007
7152442	Method for installing a storm door mortise lock including a separate key cylinder A method for installing a storm door with a mortise lock that includes a lock body having opposed side plates with a dead bolt assembly and a live bolt assembly intermediate the side plates wherein a key cylinder is separate from the cam. A thumb turn button and key...	12/26/2006
7126066	Push button actuator A push button actuator unit has a housing which defines a through passage that extends along an axis of the housing, and a slot that extends in a plane which transversely intersects the axis and communicates with the passage for supporting in the housing-defined slo...	10/24/2006
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 longitudinal axis. The bracket defines a first aperture and a second aper...	10/10/2006
7111879	Latch assembly for movable closure element A latch assembly kit including a latching subassembly for mounting upon a movable closure element, an actuating assembly, a first elongate graspable handle, and a second elongate graspable handle. The latching subassembly has a latched state, wherein the latching su...	09/26/2006
7111660	Roll-up door assembly A lightweight roll-up door comprises multiple lightweight panels that can be transversely installed/removed with a simple hinge assembly. The panels are hinged about one edge and have outer complementary arcuate portions that fill the gap at the edges of the door as...	09/26/2006
7097240	Locking mechanism with rotatable features A locking mechanism is described that releasably locks at least two objects together. The locking mechanism allows one of the objects to be rotatably connected to the other, allowing for a variety of uses. The rotatability and releasability of the locking mechanism ...	08/29/2006
7008011	Emergency roof detachment device for a vehicle An emergency roof detachment device for a vehicle providing a detachable roof portion that is coupled to a fixed top portion of a vehicle and has a handle capable of allowing the occupants of the vehicle to detach the detachable roof portion of a vehicle in order to...	03/07/2006
6974362	System and method for automatically compensating for unbalanced resistance forces A balancing method and apparatus is used for dynamically balancing an out of balance condition in a rotating body caused by resistance forces acting tangentially to the body. A device having a rotatable component and automatic or dynamic balancing includes a housing...	12/13/2005
6964183	Dual lock apparatus The present invention relates to a lock arrangement having a lock (14) and including a first locking device (52) adapted to operate the lock to lock and unlock the lock. A second locking device (68) includes a member (32) moveable between...	11/15/2005
6962377	Driving rod lock for a sliding door A driving rod lock for a sliding door, with a lock housing (2) which is arranged to the rear of a cuff plate (1) and which comprises a driving member for a driving rod (3) for driving bolt elements (4), which driving rod is displacable be...	11/08/2005
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 to operate respectively in a first position in which ...	10/11/2005
6945571	Presser bar device for exit door An exit door includes a door panel attached to a door frame and having a presser bar device attached to a stile, to selectively open and lock the door panel to the door frame. The presser bar device includes two lock rods to selectively move into the door frame, a d...	09/20/2005
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 device and is operatively associated with the panel to prevent disengage...	03/15/2005
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 includes a latch mechanism attached to a structure having a bolt for ...	03/15/2005
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 the active case and the inactive case. ...	03/01/2005
6732664	Key and combination locking mechanism The locking mechanism described herein is for use in an enclosure, which is part of a product delivery system. The locking mechanism uses existing locks and latches, and configures them using linkages into a mechanism that is not currently available. The mechanism h...	05/11/2004
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 without any necessary modification to the existing designe...	09/16/2003
6000733	Presser bar mechanism A presser bar mechanism for an exit door having a frame with a stile, upper and lower lock rods vertically sliding in the stile, a presser bar carried on the door frame, a plate mounted in the stile for rotation about a horizontal axis, upper and lower co...	12/14/1999
5881585	Apparatus for simultaneously unlocking a door lock and a dead bolt An apparatus for simultaneously unlocking a locked dead bolt functioning as an auxiliary locking device when a lever of a cylinder door lock is turned from the interior side, in order to promptly and conveniently open a door on the inside. This is possibl...	03/16/1999
5823582	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 the door to which the exit bar is mounted. A link system li...	10/20/1998
5809812	Security device for electronic locks The present invention provides an electronic lock with a deadbolt actuator. The actuator has, a casing, a deadbolt shaft protruding through the casing and an eccentric in said casing attached to said deadbolt shaft to rotate with the deadbolt shaft. A pai...	09/22/1998
5787741	Cartridge assembly of a panic proof lock A cartridge assembly includes a base plate which is fixedly connected to a door and has two protruding portions engaged with two peripheries defining two passages of the door. Each of the protruding portions has a central hole and two positioning holes so...	08/04/1998
5713612	Adjustable interconnected lock assembly with automatic deadbolt An interconnected lock assembly for use on a door includes a latch mechanism for positioning in a first bore in a door. There is an outside operating member connected to the latch mechanism for causing operation thereof and there is an inside operating me...	02/03/1998
5702134	Door lock system A door lock system including a control mechanism transversely mounted in a door in the middle, a transmission mechanism mounted in one hollow stile at one lateral side of the door and coupled to one end of the control mechanism at right angles, a top latc...	12/30/1997
5638639	Emergency door with retractable nose piece, interiorly mounted operating hardware, and hinge supports An emergency door, such as a fire door which closes automatically in case of fire, includes a nose piece which moves to an extended position when the door is closed to provide a seal of the gap otherwise present between the forward edge of the door and an...	06/17/1997
5590917	High security push-to-exit pedestrian door control A combination lock/deadbolt is connected to a push-to-open panic-bar device to operate in response to push-bar operation, thereby withdrawing both the push-bar latchbolt and the deadbolt permitting instantaneous and unrestricted egress from a secured area...	01/07/1997
5588686	Temperature responsive mechanism for controllably deadlocking a door to a door frame A door locking and unlocking safety mechanism comprising a push mechanism actuator structure to be carried by the door; a single rod operatively connected with the push mechanism to be displaced by operation of the push mechanism; door latch mechanism ope...	12/31/1996
5527074	Fire protection door lock having a heat sensitive safety device Disclosed is a door lock for locking a double-swinging type fire protection door. The door lock has a safety device controlled by a melting heat sensitive element to lock the spring bolt of the lock bolt in the locked position when the ambient temperature...	06/18/1996
5340171	Door latch control apparatus with independent actuators A door latch control apparatus for use on a panic exit door allowing the door to be unlatched either manually or electrically is disclosed. Manual latch retraction is accomplished by pushing inwardly a push bar. Electrical latch retraction is accomplished...	08/23/1994
5322332	Rim type latching system A latch assembly for use with a panic exit device, particularly a top latch having a U-shape which engages a stem portion of a T-shaped receiving lug mounted overhead to a top member of the door frame. The U-shaped top latch is pivotably mounted to the ac...	06/21/1994
5169205	Emergency exit window The invention relates to an emergency exit window for vehicles such as school buses. Spring biased latches are carried by the upper part of a window pane. The spring biased latches have bolts which engage stops at various locations on opposite sides of th...	12/08/1992
5169185	Panic exit device featuring improved bar movement and fail safe dogging A panic exit device has an improved linkage between the push bar and the push bar housing so that no significant horizontal or sideways movement of the push bar occurs as it is pushed inward to unlatch the door. Each linkage employs a link having one line...	12/08/1992
5161837	Rod and case assembly and panic exit device A rod casing for activating vertically arranged latch bolts, the casing and latch bolts arranged in an active stile of a door and engageable to a door frame. The rod casing provides a vertically slidable actuator cam engageable by both a lock/unlock actua...	11/10/1992
5154454	Concealed exit device with adjustment mechanism A concealed exit device for mounting vertically within a door to cooperate with a threshold latch plate and an overhead latch plate in a door opening for latching and unlatching the door within the door opening. The concealed exit device includes a manual...	10/13/1992

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Class 292/21 - Emergency operating means