Did You Know...
...that in 1800 ether was first used by partyers as a fun diversion? Sniffing the gas led to hilarious and raucous laughter as people watched each other become more and more intoxicated and silly. Several doctors independently realized the value ether would have to anesthetize surgery patients. Of those who claimed rights to the "discovery," none had a happy ending. One had a seizure and died defending his rights. Another spent his life in an asylum because he had been denied acclaim. A third became addicted to chloroform and, in a New York City jail, he soaked a cloth in the drug, severed an artery and bled to death.
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| Number | Title | Issue Date |
| 7849718 | Deadbolt device for a door A deadbolt device for a door is disclosed that has a linkage assembly enclosed within a handle. The linkage assembly extends from a first end to a second end and is moveable from a locked position to an unlocked position. A lock housing extends through the door and ... | 12/14/2010 |
| 7634927 | Panic exit door lock allowing locking on both sides A panic exit door lock includes a cover (20) mounted to an outer side (10b) of a door (10). A sliding member (34) is slideably received in the cover (20) and operably connected to a latch (12). A handle (24) is... | 12/22/2009 |
| 7536885 | Bimodal door security system A door exit device, security system, and method for implementing a delayed egress operating mode and an authorized access operating mode to control access through a door. In one embodiment, the exit device includes an egress enable mechanism including a latch retrac... | 05/26/2009 |
| 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 |
| 7357428 | Fixing device for a movable wall The invention is directed to a fixing device for a movable wall or the like with a fixing element which can be brought into its working position by an actuating member that can be actuated manually. In order to provide a fixing device for a movable wall or the like ... | 04/15/2008 |
| 7355515 | Magnetic security device for securing doors A lock position detection device includes a door locking mechanism, a magnetic field sensor such as a reed switch and a wireless transmitter. A magnet enters proximity of the sensor when the actuator is operated to one position and causes the sensor to output a firs... | 04/08/2008 |
| 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 |
| 7293807 | Door handle assembly A door handle assembly having a latch bolt mechanism and a retaining mechanism positioned within a housing. A shaft having a lever handle is positioned within a through hole in the latch bolt mechanism. The lever handle can be rotated in a first direction from a fir... | 11/13/2007 |
| 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 |
| 7261340 | Cam remote latch mechanism A cam remote latch mechanism comprises a housing; a support, placed inside the housing/ being able to perform a movement between an innermost position and an outermost position; a plurality of guiding openings in the housing for guiding the movement of the support; ... | 08/28/2007 |
| 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 |
| 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 |
| 7249477 | Control for exit device A control assembly configured for a narrow stile door and for interaction with an exit device. The control assembly provides a means to translate user input, such as rotating a lever to operate a centercase. The control includes a slider for sliding movement within ... | 07/31/2007 |
| 7240523 | Slide latch assembly A slide latch assembly having a keyless toggle lock capability and capable of being unlocked by either a low level security key or a master key. When a user lifts up on the front grip piece or the rear grip piece of the latch assembly, a dual pawl rotary latch is op... | 07/10/2007 |
| 7221273 | Automated locking system An improved storage system includes a plurality of individual storage units enclosed in a secured perimeter with security gates for entry and exit. Each individual storage unit has a door, an alarm and a locking mechanism. Each door has a sensor which senses whether... | 05/22/2007 |
| 7210712 | Rotary motion mechanism A rotary motion mechanism including a rotatable element geometrically lockable at two points (e.g., limits) of travel, and a linear motion element linked to the rotatable element, the linear motion element being adapted to move in response to a linear motion imparte... | 05/01/2007 |
| 7181940 | Door lock transmission mechanism A door lock transmission mechanism is provided on the first surface of a door for transmitting movement to a door lock provided on the second surface of the door opposite to the first surface. The door lock transmission mechanism includes a lock casing unit, an actu... | 02/27/2007 |
| 7146766 | Door control assembly A door control assembly for a door closing an opening in a wall of a refrigerated compartment cooperates with an oblique hinge set to provide an opening and closing force on the door. The door control assembly includes a mounting plate attached to the door and a fla... | 12/12/2006 |
| 7144051 | Method and apparatus for providing for fail safe condition for an automatic security gate A method and apparatus for locking a security gate operating shaft contained in a security gate operating mechanism having a housing from which extends the operating shaft, which may comprise: a locking collar, having at least one engageable protrusion extending rad... | 12/05/2006 |
| 7131672 | Latch mechanism A latch mechanism in combination with a sensor assembly for use in latching a first structure to a second structure such as a panel to an aircraft. Also disclosed is a sensor assembly for use with a latch mechanism and a method of using a sensor assembly in combinat... | 11/07/2006 |
| 7128350 | Sliding slam latch strike This disengageable strike has a strike annexed to a strike member that is slideably mounted to a strike base. The strike member and strike base are, in turn, mounted to a door frame or door opposite a slam latch. In a first position, the strike engages the latch to ... | 10/31/2006 |
| 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 |
| 7107650 | Equipment with a pivoting handle, in particular to be suspended in an aircraft console An equipment with pivoting handles. The equipment includes a support and a pivoting handle that are assembled by at least one pivot pin, the pivoting handle being able to rest on at least one surface of the support. The handle includes at least one bearing surface a... | 09/19/2006 |
| 7097226 | Safety system for a compartment of a vehicle A safety sensing and/or release system for a closed compartment of a vehicle is operable to detect an occupant within the vehicle compartment. The system may be operable to sense ambient conditions in the vehicle compartment, and may generate a control signal in res... | 08/29/2006 |
| 7097216 | Latch assembly for movable closure element A latch assembly for a movable closure element of the type having first and second sides. The latch assembly has a housing, a first rotor movable relative to the housing selectively between a) a latched position and b) a release position, and an operating assembly w... | 08/29/2006 |
| 7097212 | Mechanism A mechanism for selectively locking and unlocking a vehicle door latch, comprising a rheological fluid in operable connection with an output and an input, the fluid acting so as to in a first state prevent actuation of the output upon actuation of the input and in a... | 08/29/2006 |
| 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 latch body having a stop portion; a stop piece which prevents retraction... | 07/04/2006 |
| 7070216 | Vehicle door handle assembly A door handle assembly which is compact in size for space-efficient packaging in a door of an automotive vehicle. The assembly includes a safety system for preventing inadvertent movement of the handle to an unlatched position during a side impact collision. A count... | 07/04/2006 |
| 7057547 | Mounted remote control unit with plug-in module interface A fixed position remote control unit 20 as used with a movable barrier operator 11 has an externally accessible plug-in module interface 25. This interface 25 operably couples to the link 23 and 24 between the remote control... | 06/06/2006 |
| 7051560 | Electromagnetic door security system An exit sensor bar for securing a door has an elongated housing and a mounting pad for mounting to a door. A circuit board assembly is disposed within the elongated housing in proximity to a blade of the mounting pad. The circuit board assembly includes at least an ... | 05/30/2006 |
| 7048312 | Safety mechanism for walk-in interiors, particularly for cooking devices A walk-in chamber has a door opening closable by a door, which, when in the closed position can be either in a locked position or an unlocked position, dependent on the locking device, which includes a sliding bolt engageable with a locking bolt. To enable a person ... | 05/23/2006 |
| 7032418 | Vertical door locking system A vertical door locking system includes a door lock with a deadbolt that moves horizontally, a striker with an upward facing strike opening that vertically receives the deadbolt and a lock controller. The striker includes an electrically operated catch to engage and... | 04/25/2006 |
| 7013687 | Sliding door lock with single lock-release and door-opening motion A sliding door having an improved handle and lock assembly associated therewith. The assembly enables a closed and locked sliding door to be unlocked and opened by manual application of a single-motion to the door handle, such as a substantially horizontally-directe... | 03/21/2006 |
| 7007524 | Dead bolt lock system having multiple security features A dead bolt lock system which may use one or more security locks in conjunction with a dead bolt to provide various levels of security access to a door. Generally, the lock system tests the condition of the security lock or locks before allowing retraction of the de... | 03/07/2006 |
| 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 looking, attractive, easy-to-assemble, and sturdy device with no sharp p... | 02/21/2006 |
| 6971689 | Flush handle assembly A handle assembly is configured to indicate the positioning of an external handle relative to an internal handle. The handle assembly is further configured to selectively lock the internal handle when the external handle is in a selected position. ... | 12/06/2005 |
| 6955378 | Latch assembly The latch assembly includes a housing, a crank member disposed within the housing for limited rotational movement therein, a pawl, a crank pin, and an attachment pin. The latch assembly may further comprise an actuating member or system, such as a rod. The pawl is s... | 10/18/2005 |
| 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 |
| 6918519 | Securing mechanisms for preventing access to a firearm by unauthorized users, and safety housing for use therewith A securing mechanism for use in a holster, gun safe, base station, recharging/docking station, gun rack, or other safety housing for a firearm or other item, including one or more retaining members that engage the trigger guard, barrel, or other part of the firearm ... | 07/19/2005 |
| 6913299 | Closing sheet for escape doors The present invention relates to a locking device for doors with mortise sashlock and remote-controlled door opener or pull or push plates, intended to be openable without being influenced by the spring bolt. The invention is characterized in that the lock also comp... | 07/05/2005 |
