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"Rail travel at high speeds is not possible because passengers, unable to breathe, would die of asphyxia."
Dionysius Lardner, Professor of Natural Philosophy and Astronomy at University College, London ; 1830
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| Number | Title | Issue Date |
| 7398582 | Burial casket with security lock The invention is a lockable burial casket. The lockable burial casket contains a lockable obstruction device for blocking the movement of the bar. The bar is supported by a bracket mounted on the casket. This bracket may contain a groove along the path of movement o... | 07/15/2008 |
| 7383706 | Structure of a safety lock for traveling luggage cases A suitcase lock includes a housing forming a slot. A link bar is mounted to inside of the housing. A lid is mounted to an inner open side of the housing by the link bar pivoted to the lid. A push switch, a rotor, and a hook block are arranged on the lid. The assembl... | 06/10/2008 |
| 7380426 | Panel lock for electronic, electrical or control cabinets Disclosed is a lock assembly such as for use with enclosures and access panels. The lock assembly includes a keyhole shaped aperture in a slide portion of the locking assembly that cooperates with double-D shaped protrusions associated with a locking plug. In a lock... | 06/03/2008 |
| 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 The bolt head is withdrawn towards the flush bolt when the strike is...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 |
| 7207758 | Fastening device, particularly for holding together a stack of at least two panels The invention relates to a fastening device for holding together a stack of at least two panels, comprising a female piece in the form of a clasp, and a male piece having a part in the form of a head, and a part in the form of shaft with a cross section in the form ... | 04/24/2007 |
| 7188380 | Fabricated bedstead member This invention relates to a fabricated bedstead, in particular a fabricated bedstead that is applicable to a metal sofa bed or a bunk bed. The invention mainly comprises a bedstead that is made of different lengths of cannular shafts. The invention enables respectiv... | 03/13/2007 |
| 7165427 | Lock device for a box A lock device for a box includes a locking shaft, a lock shell, a lock core, a limiting unit, and a key. The lock shell has a surrounding shell wall that confines a core-receiving space, and that is formed with an insert hole in spatial communication with the core-r... | 01/23/2007 |
| 7140650 | Slide latch A sliding-action slam latch includes an integrally molded actuator having a rigid portion and an flexible portion, the flexible portion serving to bias the actuator closed. Pins extending from the rigid portion of the actuator contact guide surfaces on the latch bod... | 11/28/2006 |
| 7097218 | Locking device of a casing A locking device applies to a casing having a cover and a seat for opening and closing of the casing. The locking device has a recess formed on an edge of the seat, a buckle downwards protruding from the cover and matching the recess, and a roller parallel-disposed ... | 08/29/2006 |
| 7055871 | Electronic door lock dogging mechanism An electronic door lock dogging mechanism is provided with a bolt arranged to move into and out of a door to selectively engage a portion of a door frame to lock a door when extending out of the door and when recessed within the door, unlocking the door from the doo... | 06/06/2006 |
| 7000440 | Rotary security system A plurality of separately keyed padlocks, ranging in number from 7 to 150 or more, are securely held within a circular assembly that is rotated for selection of a specific padlock. This assembly of locks can be placed at a level for easy reach from a car window. Vis... | 02/21/2006 |
| 6905152 | Slide bolt locking systems A slide bolt type of closure locking system is disclosed in various configurations in various orientations. A lever arm is used to operate the bolt slide. A detent arrangement normally keeps the lever arm in a nested rest position. The arm can be released from the d... | 06/14/2005 |
| 6895790 | Latch assembly The present invention relates to a latch assembly insert, which includes a housing member, a bolt, a latch member, and a transfer cam. The latch assembly insert is designed so that it can be snap-fit into a cutout or similar hole, and used to hold shut a door, windo... | 05/24/2005 |
| 6769724 | Multi-part housing and device for locking interconnected housing parts of a multi-part housing A device for locking a first housing part and a second housing part to one another includes a locking element inserted into an opening in the first housing part. The locking element is configured to be movable between a locking position and an unlocking position. Th... | 08/03/2004 |
| 6631930 | Lock component A lock component comprises a mounting plate (50). An intermediate resilient element (56) is mounted on the plate and has a peg (59) engaging a recess (53) on the plate to prevent rotation of the intermediate element. The intermediate element presents a co... | 10/14/2003 |
| 6554327 | Latch assembly for covered containers A latch assembly for securing a cover to a container comprises a base for mounting to the container cover adjacent to an edge thereof, a cover member secured to the base and a slider slidable between the base and cover member between a latched position wh... | 04/29/2003 |
| 6508495 | Latch assembly for covered containers A latch assembly for securing a cover to a container comprises a base for mounting to the container cover adjacent to an edge thereof, a cover member secured to the base and a slider slidable between the base and cover member between a latched position wh... | 01/21/2003 |
| 6152499 | Casket lock A lock of the catch type adapted to use in combination with a casket is disclosed. The lock includes a locking pin and a receiving element. The locking pin in installed on the lid of the casket and has a portion configured so to enable it to engage and re... | 11/28/2000 |
| 6120070 | Lockable panel latch A latch for use in connecting thin panels together has a base with first and second portions connected by a spring loaded hinge, a lock pin and release pin mounted to the base reciprocate relative to the first and second portions of the base. The first an... | 09/19/2000 |
| 6116663 | Casket Lock A lock of the catch type adapted to use in combination with a casket is disclosed. The lock includes a locking pin and a receiving element. The locking pin in installed on the lid of the casket and has a portion configured so to enable it to engage and re... | 09/12/2000 |
| 6109667 | Over-center toggle latch with integral switch An over-center toggle latch comprises a latch for securing two members together having a latch housing affixed to one of the members and a keeper having a projecting member affixed to the other of the members. Inside the housing is a toggle, mounted withi... | 08/29/2000 |
| 6108196 | Locking mechanism for notebook computer A locking mechanism for a notebook computer has an ejecting unit which elastically pushes a latch up to a certain height. The ejecting unit includes an elastic member installed at a main base panel of the notebook computer and an ejector for pushing the l... | 08/22/2000 |
| 6065785 | Patio door limiter A limiter or stop for a sliding door or sliding panel is provided. The limiter includes a shaft disposed within the escutcheon that is connected to a head. The head includes two spaced-apart holes for frictionally receiving locking rods or bars. The head ... | 05/23/2000 |
| 6007116 | Latching mechanism A latching mechanism for selectively securing a movable panel to a stationary member. The latching mechanism includes a latch for attachment to the movable panel and a striker for attachment to the stationary member. The latch includes an actuation arm ha... | 12/28/1999 |
| 5997053 | Latch A latching apparatus controls the motion of a first member relative to a second member. The first member is reciprocally moveable relative to the second member in forward and reverse directions along the line of motion. The second member carries a latch w... | 12/07/1999 |
| 5987944 | Locking device A locking device for a container lid is provided, in particular for the lid of a storage compartment in a motor vehicle, with a spring-loaded closing cam which is arranged in a projecting manner at the free end of the lid and which, when the lid is closed... | 11/23/1999 |
| 5974842 | Locking slide latch A locking slide latch comprises components that are easily assembled without the need for separate fasteners or adhesives. A presently preferred latch comprises a housing, a pawl received within the housing and an actuating member associated with and slid... | 11/02/1999 |
| 5934115 | Circuit breaker panelboard lock assembly A lock assembly is formed from a two-piece plastic unit that is held together and to the compartment door by a planar lanced metal spring. The latch projection is ramped relative to the latch retainer slot within the compartment door to cause the latch pi... | 08/10/1999 |
| 5931515 | Locking device for doors A locking device for doors, intended for connection between the dead-bolt of the door and the drive means of the lock including a hinged arm which is connected to the dead-bolt or its extension, a wheel or pin being arranged at the other end of the hinged... | 08/03/1999 |
| 5897147 | Locking slide latch A locking slide latch comprises components that are easily assembled without the need for separate fasteners or adhesives. A preferred latch comprises a gripable base member having a spring member mounted thereon, a locking member rotatably mounted on the... | 04/27/1999 |
| 5878608 | Locking slide latch A locking slide latch comprises components that are easily assembled without the need for separate fasteners or adhesives. A preferred latch comprises a gripable base member having a spring member mounted thereon, a locking member rotatably mounted on the... | 03/09/1999 |
| 5820175 | Self-closing latch A latch having a housing, a bolt sliding in the housing along a first axis, a handle pivoting in the housing along a second axis parallel to the first axis between a handle latched position and a handle unlatching position, a drive mechanism for driving t... | 10/13/1998 |
| 5806900 | Stop for a slidable window A window stop (10) for limiting movement of a sliding window along a predetermined path of window movement is provided. The window stop (10) has a housing (12) having a cavity (20) wherein the housing (12) is adapted to be positioned adjacent the path of ... | 09/15/1998 |
| 5794990 | Safety latch for pool fence A child-proof safety latch for a swimming pool safety barrier, or other stretched-panel fence, includes a threaded rod having an expandable nut, such as a toggle-wing nut, that can move to and fro along the rod between a movable stop and a fixed stop adja... | 08/18/1998 |
| 5791179 | Remote control motor driven locking mechanism A motor driven locking mechanism including a door hingably coupled to a door frame at a first side edge thereof, the door having a horizontally orientated channel with a first open end situated on a second side edge of the door opposite the first side edg... | 08/11/1998 |
| 5706968 | Safety clasp assembly for covered containers A safety clasp for locking a cover to a container includes a rocker and an axle pivotally connecting the rocker to the cover. A slider is positioned between the axle and the cover and is slidable along the cover in a direction generally perpendicular to t... | 01/13/1998 |
| 5681070 | Locking mechanism The invention is a motorized linkage for operating a door strike. A six volt power source, controlled by a security code, rotates a small electric motor when a proper security code is given. The motor rotates a shaft which engages a coil spring. This move... | 10/28/1997 |
| 5664812 | Mechanism for locking a door or door leaf to the floor The invention relates to a mechanism for locking a door (2) or door leaf to the floor by means of a vertically displaceable latch (3) mounted to the bottom of the inner surface (6) of the door (2) or door leaf In order to prevent burglars from unlocking t... | 09/09/1997 |
| 5655798 | Door hold-open latch release and method A door hold-open latch and dual release mechanism includes a first latch for maintaining the door in its closed position and a second latch for maintaining the door in its open position. A first latch release is mounted on the door in a position accessibl... | 08/12/1997 |
| 5531492 | Ratcheting latch mechanism for a vertical rod door exit device A ratcheting latch mechanism for holding the vertical rods of a door exit device in the retracted position includes a chassis and a latch rod, with a plurality of ratchet notches formed therein, slidingly held by the chassis for motion between an extended... | 07/02/1996 |
