Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 7316309 | Tool container A tool container has a pair of housing members pivotally coupled with one another to provide an opened and closed position. At least one of the members defines a cavity to receive tools. The cavity is defined by a base and a wall extending from the base. A tool reta... | 01/08/2008 |
| 7232162 | Composite door lock plunger An approved plunger assembly is provided for a door handle. The plunger assembly includes a metallic plunger and a plastic link, which are connected so as to slide together between extended and retracted positions. The plastic link minimizes friction between the plu... | 06/19/2007 |
| 7063361 | Locking window A locking window having a window frame and a window latch for use with the window is disclosed. The window latch, which is adapted to be attached to the window using a distinct fastener, is selectively movable between a first open position and a second locked positi... | 06/20/2006 |
| 7058295 | Electronic equipment Electronic equipment is disclosed with which, even when a main body receives an external force, the deformation of the main body can be restrained. The electronic equipment comprises: a main body, having a housing chamber for housing accessories; a base member, rota... | 06/06/2006 |
| 7044509 | Closure latch assembly An elongated latch bar is slidably carried in a passageway through a bolt housing and is extendable into an aligned passageway of a keeper. The extended end of the latch bar carries a transverse cavity for receiving a cross-latch. The keeper carries the cross-latch ... | 05/16/2006 |
| 7000959 | Adjustable strike mounting system An adjustable strike mounting system having a cover plate, which can be mounted to an astragal having a housing, which has a longitudinal channel having retention guides, vertically slidable blocks, which have transverse slots, having horizontally slidable threaded ... | 02/21/2006 |
| 6977481 | Heavy-duty audio equipment In accordance with the present invention, an improved audio equipment is employed. The audio equipment includes a housing, audio circuitry installed within the housing, and a first protective bar flexibly connected to the housing. The audio equipment may also includ... | 12/20/2005 |
| 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 |
| 6684570 | Door lock system A door lock system for use in commercial restroom establishments. The door lock system is installed on a doorjamb having a swing door. The door lock system primarily comprises a latch assembly, a faceplate assembly, and a stop-plate assembly. The latch as... | 02/03/2004 |
| 6666486 | Slide bolt unit A slide bolt unit is provided for releasibly locking a door or window or the like, such as a semi-active door in a double door entry set. The slide bolt unit includes an elongated slide bolt carried by a channel-shaped housing adapted for recessed mountin... | 12/23/2003 |
| 6598910 | Friction joint and fastener incorporating same A fastener for a closure. The fastener has a friction joint which couples first (10) and second (23) elements such that rotational movement there between can occur. The friction joint has a head fastener (28) and a sleeve (24) to which an end load is appl... | 07/29/2003 |
| 6526788 | Walk-in freezer door handle and lock assembly A freezer door handle and lock assembly comprises a pull handle having a mounting end formed with a slot that is adapted to be mounted to a freezer door. A deadbolt is mounted in the pull handle mounting end for reciprocal movement along a path of travel ... | 03/04/2003 |
| 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 |
| 5762977 | Mold lock with self-purging A lock for guiding and aligning two mating portions of a mold. The lock comprises a guide member having a socket formed therein and a locking member which is shaped to be engaged in the socket. A self-purging feature is formed for purging of foreign mater... | 06/09/1998 |
| 5722273 | Latch bolt operating device A latch bolt operating device is adapted for use with a latch bolt unit that is installed in a door panel, and includes exterior and interior operating units. The exterior operating unit includes a key-operated plug-and-cylinder lock assembly, and an exte... | 03/03/1998 |
| 5472248 | Surface/cremone bolt A self-centering surface bolt comprising two or more keepers, a surface bolt and two or more guides. The guides further comprise a base, a stem and a cap. The base of the guide is received within a recess in the keepers and the stem and cap of the guides ... | 12/05/1995 |
| 5372395 | Battery cover locking apparatus An apparatus for locking a battery cover by which it is convenient to change a battery and by which the battery cover can be firmly locked. The apparatus comprises a body having a hinged portion and an engaged portion in its corner in which a battery hous... | 12/13/1994 |
| 5301989 | Tilt lock for double-hung windows A latch for selectively connecting a sash of a double-hung window to a slide track in a window frame, including a lever including a gear at one end, a latch housing mountable to the sash, the housing including means for pivotally supporting the lever, and... | 04/12/1994 |
| 5193369 | Luggage latch A latch for retaining together two parts of a piece of luggage has a latch element projecting from one of the parts, a housing mounted on the other part and shaped to receive the latch element, and a latch dog movable in the housing between a retaining po... | 03/16/1993 |
| 5154455 | Deadbolt lock having a U-shaped squeeze operated sliding bolt An improved deadbolt doorlock bolt assembly has a squeeze-operated "U"-shaped bolt in a channel and may be combined with a receiver assembly. The lock may include an elongated guard with an elongated hook, the guard being hinge mounted on either assembly.... | 10/13/1992 |
| 4818000 | Decorative surface bolt A decorative surface-mounted latch bolt assembly includes a decorative housing, a chassis providing an elongated passage therewithin, and a guide member disposed within the passage of the chassis and providing an elongated channel in which is seated the l... | 04/04/1989 |
| 4788796 | Removable rear truck window A removable sliding window assembly for use in pickup trucks and camper shells has a frame in which tracks are formed in which sliding panels are received. Retaining pin assemblies are used to removably secure the panels in the tracks. When the retaining ... | 12/06/1988 |
| 4764146 | Toy puppy pickup truck having dog house A toy vehicle in the form of a pickup truck on whose rear bed are mounted a pair of miniature dog houses in side-by-side relation, each having a triangular roof hinged to the rear wall of the house. Depending from the front end of each roof is a front wal... | 08/16/1988 |
| 4762347 | Security door and lock assembly A security door assembly for enclosing the ends of filling and discharge hose storage tubes employed on over the road tank trucks and trailers is disclosed wherein pivotally interconnected cover door and support frame members are formed with interfitable ... | 08/09/1988 |
| 4750503 | Latch mechanism for front-loading commercial warewasher A latch for a warewasher effects manual movement of a bolt between a retracted position which permits the door to be fully closed and an extended position which either latchingly engages a keeper to secure the door in the closed position, or abuttingly en... | 06/14/1988 |
| 4734940 | Device for affixing a respiratory mask onto a protection helmet A device ensuring the adaptation of a removable respiratory mask onto a protection helmet includes two attachment arms, each one of the arms having first and second elements slidingly engaging one another. The first element is pivotally connected to one s... | 04/05/1988 |
| 4690445 | Security striker plate A security striker plate mounted with the rail of a door frame which includes a peripheral door stop and interior framing studs. The striker plate comprises a mount plate inset within the rail against an inner surface and secured thereto by a plurality fi... | 09/01/1987 |
| 4605251 | Door lock A U-shaped lock fits around the shank of the door knob assembly and the two legs of the lock are received by an extended strike plate in a locked condition. The door lock is retained around the shank by keeper means on at least one of the legs of the lock... | 08/12/1986 |
| 4523794 | Lock for manual mobile storage system A locking device for a mobile filing and storage system comprises a reciprocable pin disposed in a rotatable handwheel. The pin is adapted to selectively engage or disengage locking apertures in a stationary plate mounted to the storage frame. The pin is ... | 06/18/1985 |
| 4514996 | Sliding door lock A sliding door lock in which a bolt is longitudinally slidable by manual movement of a handle to which the bolt is connected so that the bolt is axially rotatable to prevent the cutting of the bolt when locked. The handle slides linearly along a base plat... | 05/07/1985 |
| 4489965 | Sliding window latch A latching mechanism for a pair of relatively slidable overlapping window panels includes a pair of opposed fixed support blocks with bearing surfaces engageable with the outside surfaces of the window panels. A first wedging block is floatingly mounted b... | 12/25/1984 |
| 4231597 | Flush-type door lock A flush mountable door lock includes a recessed body member, a lock bolt slidably mounted on the body member, and a paddle-shaped operating handle for moving the bolt. The handle is movable between nested and projected positions. A bolt actuator extends f... | 11/04/1980 |
| 4198082 | Surface bolt A surface bolt which is latched against retraction when in a latching position and requires movement transverse to its length in order to unlatch the bolt for retraction.... | 04/15/1980 |
| 4102545 | Sliding door locking system A safe and tamper-resistant lock assembly for sliding glass doors and the like for securely locking a slidable door in a closed or partially opened position. The lock assembly includes a specially configured bracket which is mounted upon the stationary fr... | 07/25/1978 |
| 4098101 | Latch mechanism for doors and the like A latch mechanism is mounted on a door or panel hingedly mounted on the frame of a construction vehicle or the like. The latch mechanism comprises a handle pivotally mounted in exposed relationship on an upper side of the door for movement between latched... | 07/04/1978 |
| 4086794 | Gate lock mechanism A lock mechanism housed in a steel case and directly weldable to iron doors, gates, grilles and similar objects, a bolt slideable in either direction along its longitudinal axis, a fixed member adjacent a long side of said bolt, said fixed member having a... | 05/02/1978 |
| 4058332 | Astragal and flush bolt assembly An improved astragal and flush bolt assembly to be secured to a relatively stationary member such as a door jamb or to the edge of an inactive door of a pair of double doors or the like. The astragal assembly includes a flat metal body mounted on the edge... | 11/15/1977 |
| 4012928 | Cylinder retention mechanism A lock device includes a housing and a removable cylinder normally retained in the housing by a rotatable retainer ring. The retainer ring is driven by a shifter and cylinder change key between a locked and unlocked position. The retainer ring is normally... | 03/22/1977 |
| 3958886 | Looseleaf binder mechanism A looseleaf binder mechanism having a pin-and-slot mounted shiftable latching slide provided with novel positive detenting means comprising an elastomeric washer mounted on the pin and cooperable with a protuberance formed on the latching member intermedi... | 05/25/1976 |
| 3944266 | Latch for sliding doors A latch structure incorporating a housing and a bolt plate movable therein is attachable to an edge of a sliding door adjacent a corner thereof where the bolt plate may move into registry with openings formed in a flanged track in which the sliding door m... | 03/16/1976 |
