Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
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| Number | Title | Issue Date |
| 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 |
| 7357010 | Plug assembly for a door lock A plug assembly has a cylindrical barrel portion, a plug, a driving shaft and a mounting cap. The cylindrical barrel portion has a rear end and a stop. The plug is mounted rotatably within the cylindrical barrel portion. The driving shaft is mounted securely on the ... | 04/15/2008 |
| 7320236 | Device that makes it possible to lock and unlock, by means of a key, a stopper or cover on a frame A device for locking and unlocking, with a key, a cover on a frame. The rotor of the lock for this device has a cylindrical barrel mounted for rotation in the cover and being interdependent in rotation with the slide bolt and a cylindrical axle with head mounted loo... | 01/22/2008 |
| 7296446 | Lock assembly A lock assembly has a casing, a securing axle and a wheel. The securing axle is mounted rotatably in the casing and has a threaded end extending out of the casing. The wheel is mounted rotatably in the casing and selectively engages with the securing axle to rotate ... | 11/20/2007 |
| 7275402 | Lock A lock, such as a mortise lock, for a door. The lock comprises a locking cylinder that can be inserted into a door leaf and a shaft having two sections, each section of the shaft having a handle at the end, preferably a rotary knob or a standard door handle and bein... | 10/02/2007 |
| 7275401 | Key switch with at least one switching position The invention relates to a key switch with at least one turn-key switching position comprising a cylindrical lock adapted to perform a translation upon key authorization. The aim is to present a key switch being capable of allowing key hierarchies as well as the wit... | 10/02/2007 |
| 7225651 | Pick-resistant wafer tumbler lock with sidebars The invention provides a pick-resistant locking mechanism with wafer tumblers, sidebars and an interchangeable cylinder that allows re-keying of the lock. The sidebars have projections with beveled sides that engage with cavities in the lock shell when rotational to... | 06/05/2007 |
| 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 |
| 7194876 | Modified lock plug A lock plug comprising a top end having a key way etched out of a solid wall, the key way leading to an interior of the lock plug housing a locking mechanism; and, a break away wall bordering a cavity carved out from the solid wall on a side of the key way, the brea... | 03/27/2007 |
| 7178373 | Mortise lock A mortise lock includes a chassis, a handle assembly mounted to a side of the chassis, a sleeve, and a trim for returning the handle assembly. The handle assembly includes a spindle and a handle. An end of the sleeve is securely mounted around an end of the spindle ... | 02/20/2007 |
| 7178842 | Push button lock mechanism for a handle set A handle set includes a handle assembly having an operator, a rose insert, and a shank having a bore. The rose insert has a central opening and a post. The shank is affixed to the operator and rotatably received in the central opening. A rotational stop is coupled t... | 02/20/2007 |
| 7174755 | Mounting structure of steering column locking device Disclosed herein is a mounting structure of a steering column locking device which makes it possible for the steering column locking device to be rotated upwards with respect to a steering column by an impact when part of a driver's body bumps against the steering c... | 02/13/2007 |
| 7168276 | Electric lock with multiple-function spring An electric lock with multiple-function spring, with a locking element, a decoding assembly for a code bearing component, a first actuation element connected to an internal handle, and a second actuation element connected to an external handle both coupled to the lo... | 01/30/2007 |
| 7156432 | Operator catch cartridge assembly for a door handle set A handle set includes an operator having a retention slot. A chassis is provided for mounting the operator. The chassis includes a sleeve having a bore, and an opening extending through the sleeve to the bore. An operator catch cartridge assembly is configured for m... | 01/02/2007 |
| 7152891 | Field-reversible locking mechanism A lockset for use in a door assembly is provided and includes an interior mechanism having a first escutcheon, a first housing, and a first retainer shield and an exterior mechanism having a second escutcheon, a second housing, and a second retainer shield. In addit... | 12/26/2006 |
| 7140076 | Reinforcing member for a knob for a lock A knob for a lock includes a knob body and a reinforcing member. The knob body has a side, and a neck extends outward from the side of the knob body and has a slot. The reinforcing member is mounted around the neck and has a stop that is engaged in the slot of the n... | 11/28/2006 |
| 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 |
| 7082794 | Mortise lock A mortise lock includes a chassis mounted in a mounting hole of a door and an outside handle assembly mounted to a side of the chassis. The outside handle assembly includes an outside spindle having a first end partially received in the chassis and operably connecte... | 08/01/2006 |
| 7077437 | Mortise lock integrated trim assembly with a retracting spindle An integrated mortise lock trim mechanism is provided for mounting on the surface of a door and has a handle turning a spindle that extends into the door to operate a lock mechanism mounted therein. The trim assembly is pre-assembled and has a retracting spindle tha... | 07/18/2006 |
| 7069755 | Deadbolt lock with electronic touch-key A deadbolt lock has a housing and a deadbolt latch mounted to the housing. The deadbolt latch has a bolt that is moveable between an extended, locked position, and a retracted, unlocked position. An outside thumb-turn rotatably mounted to the housing. A motor-driven... | 07/04/2006 |
| 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 |
| 6978647 | Pick-resistant wafer tumbler lock with sidebars The invention provides a pick-resistant locking mechanism with wafer tumblers, sidebars and an interchangeable cylinder that allows re-keying of the lock. The sidebars have projections with beveled sides that engage with cavities in the lock shell when rotational to... | 12/27/2005 |
| 6978645 | Freewheeling lock apparatus and method In some embodiments of the present invention, a freewheeling lock apparatus and method are provided in which the freewheeling lock affords actuation of a device only in response to the use of an appropriate key. The locking mechanism can include a housing, a sleeve ... | 12/27/2005 |
| 6964184 | Shielded pushbutton lock A shielded pushbutton lock that includes housing that supports a lock cylinder connected to a key operated pushbutton. The pushbutton is shielded by way of a rotatable collar that extends over the pushbutton and shields the pushbutton, so that a thief may not defeat... | 11/15/2005 |
| 6938446 | Vehicle door lock apparatus A vehicle door lock apparatus includes a lever mechanism directly connected with a key cylinder provided at the outside door handle for locking and unlocking the vehicle door in response to rotation operation of the key cylinder. The lever mechanism is provided with... | 09/06/2005 |
| 6932395 | Window assembly with release mechanism A window assembly having an emergency release mechanism that can be actuated by a release handle is provided. The release handle can be moved from an initial, non-releasing position to an intermediate, non-releasing position, and then to a final, releasing position ... | 08/23/2005 |
| 6910357 | Tamper proof locking device A lock includes a lock housing (3), a bolt (20) which is moveable in the lock housing between an inwardly withdrawn and an outwardly extended position and which includes a weakened region (36). The lock also includes a blocking element (5... | 06/28/2005 |
| 6908126 | Enhanced security catch assembly for retaining a handle on a spindle A catch assembly that locks a handle onto the spindle of a lock mechanism has enhanced resistance to attempts to remove the handle by forcibly driving the catch assembly inwards. The catch assembly includes a base mounted on the spindle having a threaded opening tha... | 06/21/2005 |
| 6854305 | Electromechanical cylinder lock-key-combination An electromechanical cylinder lock-key-combination includes a key having a mechanical locking code and a device for storing an electronic code and sending it into the lock. A lock body encloses a turnable lock cylinder and a locking mechanism which normally prevents... | 02/15/2005 |
| 6832500 | Electric door lock An electric door lock includes a lock housing, an operating member, a gear wheel, an actuating member, a driving motor, and a coupling unit. The operating member is mounted rotatably on the lock housing. The gear wheel is sleeved rotatably on the operating member. T... | 12/21/2004 |
| 6786519 | Swing bolt lock with improved tamper resistance and method of operation The locking bolt of a swing bolt lock has an elongated opening that fits on a shaft in the lock's housing. The shaft has a compression spring that biases the bolt toward one side of the shaft. In normal operation, the compression spring urges the bolt such that the ... | 09/07/2004 |
| 6769278 | Anti-burglar device of a door locker An anti-burglar device of a door locker is disclosed. The locker comprises a rotating button, a rotating shaft body, and an external gear, the rotating shaft body being fixed to the rotating shaft body having one end mounted to the external gear, the other end of th... | 08/03/2004 |
| 6742368 | Closing device for closing functions in vehicles in particular A closing device includes a cylinder core with followers and a closing cylinder with a freewheel sleeve and a housing accommodating the sleeve. Normally, a coupling slider is coupled to the cylinder core by a restoring force, but is decoupled therefrom in the event ... | 06/01/2004 |
| 6718806 | Electronic locking system with emergency exit feature An electronic locking system is provided wherein an electronic lock's restriction of movement of a locked securing member, such as a door latch or bolt, can be selectively overridden from inside a locked enclosure by manual manipulation of a handle. The handle moves... | 04/13/2004 |
| 6711924 | Freewheeling lock apparatus and method In some embodiments of the present invention, a freewheeling lock assembly is provided that includes a housing at least partially defining a cavity and having a central axis, an actuator rotatably coupled to the housing and substantially axially fixed with respect t... | 03/30/2004 |
| 6622534 | Dead bolt 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 retractio... | 09/23/2003 |
| 6619705 | Mortise lockset with internal clutch A lock mechanism has a locked condition and an unlocked condition and includes a housing. The lock mechanism also includes a latch that extends from the housing and has an extended position and a retracted position. The lock further includes a biasing mem... | 09/16/2003 |
| 6546768 | Ignition lock system for motor vehicles An ignition lock system for a motor vehicle includes an electronic ignition key and an electronic ignition lock having a key receptacle. The electronic ignition key can be inserted into the key receptacle to exchange coded operating signals, the key recep... | 04/15/2003 |
| 6527314 | Clutch handle Clutch handle apparatus for opening doors and the like includes a torque limiting clutch subassembly which selectively disengages the handle from a spindle to prevent damage. The clutch subassembly includes a slip clutch removably coupled to a spindle pin... | 03/04/2003 |
| 6516569 | Door having a door terminal, door with a door terminal having a mounting plate, and mounting plate for a door terminal of a door Door with a door terminal for use with or as part of a door, such as sliding doors, folding doors, pivot-hung doors, and automatic doors. The door terminal can comprise a housing accommodating therein an access opening. The door terminal further comprises... | 02/11/2003 |