Did You Know...
...that one person who claimed to be the inventor of the television is Russian emigre Vladimir Zworykin? In 1929 David Sarnoff, founder of RCA, asked Zworykin what it would take to develop TV for commercial use. He said: a year and a half and $100,000. In reality, it took 20 years and $50 million! Before his death in 1982 at the age of 92, Zworykin said of his invention: "The technique is wonderful. It is beyond my expectations. But the programs! I would never let my children even come close to this thing."
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| Number | Title | Issue Date |
| 7421868 | Enhanced extendable multipoint lock A multipoint lock including a locking mechanism adapted to selectively retract and extend at least one locking element relative to an elongate housing, wherein the locking mechanism includes an arm pivotally attached to a lock actuator and constrained to travel in a... | 09/09/2008 |
| 7354081 | Single bolt mortise lock The present invention comprises a reversible, single bolt mortise lock assembly for hinged doors. The lock assembly combines live bolt and dead bolt functions utilizing only a single bolt. The invention further features a reversible lock assembly that can be opened ... | 04/08/2008 |
| 7305800 | Storm barrier assembly An apparatus and assembly for retaining a substantially flat, protective panel within a frame such as a window frame. In one embodiment, the panel retention apparatus of the present invention includes a bracket member for fitting over an edge of the panel, such that... | 12/11/2007 |
| 7305923 | Universal boxcar with exterior metal surfaces A universal boxcar is provided with exterior metal surfaces and load carrying capabilities of a conventional uninsulated boxcar and thermal transfer ratings of an insulated boxcar. The boxcar may be formed with interior dimensions corresponding generally with interi... | 12/11/2007 |
| 7290808 | Adjustable door handle A door handle assembly attachable to a door. The door handle assembly includes a handle coupled to the door and a latch bolt coupled to the handle and movable along a latch bolt axis between an extended position and a retracted position. An attachment member defines... | 11/06/2007 |
| 7281748 | Tailgate lift-and-secure cable and latch assembly A lift and secure latch assembly for a vehicle tailgate includes a pair of cables capable of applying upward force to the tailgate and a tensioning mechanism positioned within the tailgate and connected to the support members to apply tension thereto. One of the cab... | 10/16/2007 |
| 7275770 | Interlock system for enclosures An apparatus to interlock a multi-door enclosure includes an actuating member slidably mountable to the enclosure between a primary door and a secondary door. The actuating member includes a first end extendable through an opening in a door post between the primary ... | 10/02/2007 |
| 7261044 | Boxcar with load restraint system A boxcar and load restraint system are provided with improved load carrying capabilities and performance characteristics of uninsulated boxcars and insulated boxcars. An insulated boxcar with the load restraint system may have increased load carrying capacity, incre... | 08/28/2007 |
| 7252350 | Pedestal assembly for computer enclosures A pedestal assembly (20) includes a chassis (200), a gear wheel (300) pivotably mounted to the chassis, two supporting members (400) coupled to the chassis, and a coil spring (500) received between the chassis and the gear wheel. T... | 08/07/2007 |
| 7240524 | Locking apparatus for a garage door A locking apparatus for a garage door which utilizes a pair of actuators with one actuator being mounted at a side edge of the garage door and the other actuator mounted at the opposite side edge of the garage door. One actuator is mounted on a carrier gear which co... | 07/10/2007 |
| 7237811 | Casement window latch assembly A rack and pinion are mounted on a casement window frame to operate a vertically disposed polymeric latch keeper. The moveable rack includes a plurality of teeth which are engageable with latch keepers spaced therealong. The pivotable window section includes latches... | 07/03/2007 |
| 7228719 | Sliding door lock A lock 10 for a sliding door or window. The lock 10 includes a hollow body 11 within which there is pivotally mounted a pair of hook tongues 14 and 15. The tongues are driven by rack gears 54 which are operated by a lock cyl... | 06/12/2007 |
| 7210711 | Door lock The solution according to the invention is based upon the knowledge that the undesirable hysteresis of the force-path function in door locks (1) can be avoided or at least minimised if the (frictional) forces acting during transitions from open positions to c... | 05/01/2007 |
| 7210413 | Universal boxcar A universal boxcar is provided with load carrying capabilities of a conventional uninsulated boxcar and temperature ratings of an insulated boxcar. The insulated boxcar may be formed with interior dimensions corresponding generally with interior dimensions of an uni... | 05/01/2007 |
| 7185927 | Glovebox latch A latch assembly is re-configurable for plural orientations. A slide lock plate engages a claw-typed pawl. A rotating activation mechanism links an operator handle to the slide plate. The handle causes the activation mechanism to rotate, thereby retracting the slidi... | 03/06/2007 |
| 7178839 | Latch assembly for sliding doors A latch assembly connected to a lock face of a sliding door includes two hooks which are connected to two activation plates respectively. Two rotation gears each have teeth engaged with the activation plates which are moved to pivot the two hooks when the two gears ... | 02/20/2007 |
| 7066504 | Slam latch and strike assembly A slam latch and strike assembly for latching together a pair of generally parallel relatively laterally displaceable support members, including a body adapted for connection with one of the support members, a latch member mounted for axial displacement between exte... | 06/27/2006 |
| 7040675 | Linkage operated latching system A latching system includes a control unit that houses a remote signal responsive relay and a crank arm that is pivoted by the armature of the relay when the relay is energized to oppositely move a pair of elongate links each of which is connected to a separate latch... | 05/09/2006 |
| 7040672 | Bolt lock, in particular a bolt lock for control-cabinet doors A bolt lock, especially for control-cabinet doors or similar doors or flaps. The lock comprises a flat-bar bolt that is mounted to move parallel to the edge of the door, preferably within the arc of swing of the door. Disposed on the flat-bar bolt is at least one lo... | 05/09/2006 |
| 7036852 | System for operating the rod of a glove box A system for operating a rod of a glove box employs a rack and pinion gear to operate the rod for functioning as a locking device of a glove box. The number of parts for operating the rod of the glove box is decreased in comparison with the prior art, and assembling... | 05/02/2006 |
| 7025394 | Lock system for integrating into an entry door having a vertical expanse and providing simultaneous multi-point locking along the vertical expanse of the entry door A lock system for integrating into an entry door having a vertical expanse and providing simultaneous multi-point locking along the vertical expanse of the entry door. The lock system includes a plurality of conventional deadbolt assemblies, a plurality of pinion ge... | 04/11/2006 |
| 7016187 | System and method for an information handling system housing lid release An information handling system lid releases from an associated housing with an actuator that frees the lid and then pushes the lid from a secured position to an unsecured position for ease of removal. The actuator rotationally couples through the housing to translat... | 03/21/2006 |
| 7014227 | Wedge bar locking mechanism A wedge bar locking mechanism is provided including a locking pin, a bracket and a wedge bar. In operation, the locking pin and wedge bar are mechanically coupled such that rotation of the locking pin results in translational motion of the wedge bar. The wedge bar a... | 03/21/2006 |
| 7010947 | Remote door entry system A door entry system includes control means for controlling operation of the door entry system and a deadbolt assembly that is operable to selectively lock a door. The deadbolt assembly includes: a first bolt member movable between an extended and a retracted positio... | 03/14/2006 |
| 7003991 | Security and locking mechanism for a double door utilized in a security safe, vault or bunker A security and locking mechanism for the double door type security safe, vault or bunker wherein the double door can be manufactured by conventional structure or the through use of a plurality of modular panels, the locking and securing mechanism comprising a pair o... | 02/28/2006 |
| 6994383 | Cremone bolt operator A cremone bolt operator is provided which includes a small and a large pinion gear, each having gear teeth and a central aperture, a first and a second rack gear, each having a first and a second set of parallel teeth, the rack gears in opposed relation to one anoth... | 02/07/2006 |
| 6983962 | Deadlock arrangement for locks A deadlocking assembly for use in locks that includes a rack supporting a bolt and a driving or pinion gear that drives the rack. Both the rack and the pinion gear have teeth that intermesh. The pinion gear further includes two arms, one of which acts as a stop when... | 01/10/2006 |
| 6971686 | Multipoint lock system A multipoint lock system for use with the active and inactive doors of two-door sets, which provides an operator with the ability to lock or unlock a plurality of locking points both manually and automatically, and features a blocking mechanism to prevent unwanted l... | 12/06/2005 |
| 6955382 | Wafer carrier door and latching mechanism with c-shaped cam follower A wafer container, and methods of constructing a wafer container. The wafer container has an enclosure portion with at least a top, a bottom, a pair of opposing sides, a back, an open front, and a door to close the open front. The door includes a door chassis with a... | 10/18/2005 |
| 6952940 | Double lock T-handle assembly A double lock T-handle is disclosed having a tray which includes an inwardly dished handle receiving area, a second recessed handle receiving region, and a recessed padlock receiving depression. The tray further includes a lock cylinder casing having a locking cylin... | 10/11/2005 |
| 6935662 | One-touch-actuated multipoint latch system for doors and windows Plastic window and doors are effectively latched to surrounding plastic frames by a distributed series of latches pins that are carried on a common carrier opposite and coaxial with a like series of apertures for simultaneous shifting between latched and unlatched c... | 08/30/2005 |
| 6925843 | Rack security mechanism A method and apparatus for securing a tray within a computer component rack is disclosed. The tray slidably mounted within the component rack. The tray is anchored to the component rack when in a closed position by at least one fastener. A cover is mounted a front f... | 08/09/2005 |
| 6912882 | Door locking system A door locking system for precluding the picking of a lock comprises a door. The door has an outside, an inside and a facing surface. A bolt is mounted in the door. The bolt is adapted to slide between an unlocked orientation and a locked orientation. The bolt is fo... | 07/05/2005 |
| 6871884 | Bar lock for a locking system A bar lock for a locking system is provided, and comprises a lock body having guide slots and two recessed areas symmetrically disposed on opposite sides between the guide slots and separated from one another by a central member. Two lock bars are received in the gu... | 03/29/2005 |
| 6810699 | Fixed-leaf lock mechanism An espagnolette (1) for the fixed leaf of a double-leaf door, having a lock case (5) in which there is mounted a handle follower (9) by rotational actuation of which at least one driving rod (20, 26) can be displaced parallel to a lock ca... | 11/02/2004 |
| 6705136 | Storage compartment security system A security system for a storage compartment including a latch assembly disposed on an interior side of a door for latching the door in a closed position with the storage compartment. A plurality of reciprocating latch elements are included in the latch assembly for ... | 03/16/2004 |
| 6682109 | Door latching mechanism A door latching mechanism comprises two oppositely-directed, vertically-slideable rods adapted to engage at their outer ends respectively with the top and bottom of a door frame, and a main latch member adapted to engage with a keeper provided on or in th... | 01/27/2004 |
| 6585302 | Electrically operated lock An electrically operated lock including a latch mechanism, a spindle for displacing a dead bolt of the latch mechanism, and an actuating unit which includes a swing member, a slider, a first cam mechanism, a wheel member, a second cam mechanism, and a mot... | 07/01/2003 |
| 6572159 | Damped actuating system for motor-vehicle door latch The actuating system has a handle pivoted about a handle axis on the door, an actuating part fixed on the handle and extending radially from the axis, and a damper fixed on the door adjacent the axis and having an input element. The actuating part is conn... | 06/03/2003 |
| 6550294 | Manhole security device The present invention 10 discloses a disk-like member 15 that would be placed on the cover-retaining flange 20 in the manhole tube 22 on which the cover 16 would ordinarily rest. The operator would then insert a turnkey 24 through a central recess 26 in t... | 04/22/2003 |
