"It is my heart-warmed and world-embracing Christmas hope and aspiration that all of us, the high, the low, the rich, the poor, the admired, the despised, the loved, the hated, the civilized, the savage (every man and brother of us all throughout the whole earth), may eventually be gathered together in a heaven of everlasting rest and peace and bliss, except the inventor of the telephone. "
Mark Twain ; Christmas greetings, 1890
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| Number | Title | Issue Date |
| 7441813 | Battery cover latching mechanism for portable electronic device A battery cover latching mechanism (300) for latching a battery cover (20) on a housing (10) of a portable electronic device. The battery cover has a fixing portion (204) defining a hollow (206) therein. The latching mechanism incl... | 10/28/2008 |
| 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 |
| 7350383 | Electronic lock The present invention provides an electronic lock structured to include a first bolt configured with an elastic clasp, an electromagnetic device connected to an input device, a second bolt and a microswitch connected to a security system, all of which are installed ... | 04/01/2008 |
| 7303215 | Mortise locking device A lock assembly includes a single switch actuated by a cam for monitoring the position of a main bolt and an auxiliary bolt. The main bolt and the auxiliary bolt engage and move the cam between an actuated position and a released position. In the actuated position t... | 12/04/2007 |
| 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 |
| 7261341 | Reversible latch assembly A reversible latch assembly has a faceplate assembly, a latch bolt assembly, a bolt-releasing assembly, a guardian bolt assembly, a driver assembly and a casing assembly. The latch bolt assembly, the bolt-releasing assembly and the guardian bolt assembly are rotatab... | 08/28/2007 |
| 7246827 | Fail safe/fail secure lock with quick change access window An electric door lock interchangeable between fail safe and fail secure modes comprising a housing for receiving a plurality of internal components of the door lock. A window is included in the housing, the window allowing access to the internal components to change... | 07/24/2007 |
| 7188870 | Multi-functional mortise lock A multi-functional mortise lock that can be rapidly converted between different functions without opening the mortise lock case by installing blocking screws that extend through threaded blocking openings in a sidewall of the case and into blocking interference with... | 03/13/2007 |
| 7155946 | Mortise lock having double locking function A mortise lock having a double locking function is provided, which includes: a deadbolt for performing a locking function of a door by going in and out the door; a latchbolt going in and out the door by a handle installed on the door; and a locking member for mainta... | 01/02/2007 |
| 7134699 | Locking rotary latch The present invention is a rotary locking latch assembly including a rotary handle carrying a rotary latch bolt. The rotary handle is biased in a neutral, locked orientation that positions the bolt in engagement with a latch strike secured to a door jam, retaining t... | 11/14/2006 |
| 7108300 | Reversible latch bolt A latch is provided for a mortise lock of the type comprising a housing for accommodating the lock components. The latch comprises a first and second portions movably mounted in the housing and a securing element for releasably connecting the first and second portio... | 09/19/2006 |
| 7036855 | Outside release handle A handle assembly selectively releases a door latch (28) of a door. The handle assembly has a housing (22) and an actuator such as a key cylinder (24) secured to the housing. The key cylinder (24) has a bell crank (124) rotatable r... | 05/02/2006 |
| 7010946 | Latch apparatus The invention generally relates to a latch apparatus having a locking live bolt. One embodiment of the invention is a latch apparatus having a housing with opposed plates that are spaced apart and secured to each other by support arms formed from the plates. A live ... | 03/14/2006 |
| 7007985 | Automatic deadbolt mechanism for a mortise lock An automatic mechanism and method for moving a deadbolt between a retracted deadbolt position and an extended deadbolt position. A trigger is operatively coupled to the deadbolt and to the auxiliary latch. The trigger is configured to cause a first movement of the d... | 03/07/2006 |
| 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 |
| 7003990 | Mortice lock A mortice lock for recessed installation into the edge of a door or door frame includes a deadlatching member that is mounted on a bolt assembly for pivoting movement. A drive shaft and hub can be rotated in either a clockwise or counterclockwise direction to cause ... | 02/28/2006 |
| 6993946 | Lock with clutching function A lock includes an inside handle, an outside handle, and a body between the handles. A spindle is mounted to each handle to turn therewith. Two pivotable wheels are mounted in the case and operably connected to the inside and outside spindles and a latch bolt such t... | 02/07/2006 |
| 6978646 | Installation arrangement for controlling handle operation in a door lock and a door lock provided with an installation arrangement of this kind An installation arrangement for a solenoid controlled handle operation in a door lock in which force transmission from an operation axis for a handle or the like to a follower acting on a bolt of the lock is arranged by means of a movable coupling member, which rece... | 12/27/2005 |
| 6953210 | Solenoid arrangement for controlling handle operation in a door lock A solenoid arrangement for controlling handle operation in a door lock, in which force transmission from an operation axis of a handle or the like to a follower acting on a bolt of the lock is provided by a movable coupling member which receives its guidance from th... | 10/11/2005 |
| 6929290 | Adjustable button mechanism for a lock An adjustable button mechanism for a lock includes: a driving tube of a hollow tubular shape, having a first end and a second end, the first end connecting to a driving mechanism of the lock, the second end forming a positioning slot; a connecting member having a fi... | 08/16/2005 |
| 6802546 | Convertible door lock latch mechanism A convertible door latch assembly convertible between a non-locking configuration and a locking configuration. The convertible door latch assembly including a bolt housing, a bolt slidably engaging the bolt housing and having a first slot and a second slot, a drawba... | 10/12/2004 |
| 6676174 | Latch assembly for truck bed covers A latch assembly for releasably latching a truck bed cover to a sidewall of a pickup truck bed. A striker is preferably mounted to the truck sidewall and a movable elongated latch arm is connected to the truck bed cover, such that the latch arm may be mov... | 01/13/2004 |
| 6669245 | Pushing device for the emerging of the bolt in locks Pushing device for the emerging of the bolt in locks, characterized in that the handle axis (1) has a coaxial lever (8), coupled rotationally, which turns along with it in the conventional direction of opening, being equipped with an independent turning i... | 12/30/2003 |
| 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 |
| 6578888 | Mortise lock with automatic deadbolt A mortise lock for a door is provided, including an automatic deadbolt mechanism for automatic projection of a deadbolt mounted in the lock housing form a retracted to an extended position upon closing of the door. The automatic deadbolt projecting mechan... | 06/17/2003 |
| 6401297 | Door lock latch A door lock latch, of which the latch body includes a base, an upper cover and a latch fixing plate. The base is provided with a nut cylinder nearby the rear end of the base body thereof. The upper cover is provided with a correspondent tap hole nearby th... | 06/11/2002 |
| 6393878 | Mortise lock A mortise lock is provided including a housing for a latch bolt and a deadbolt which are mounted in the housing for movement between a retracted position where the latch bolt and deadbolt are inside the housing and an extended position where a portion of ... | 05/28/2002 |
| 6390515 | Anti-theft latch An anti-theft latch is proposed. The anti-theft latch has a movable stud having a driven means therein. A pin serves to connect the movable stud with the driven means. The driven means is pivotally installed with a static latch. A guide groove is formed o... | 05/21/2002 |
| 6334635 | Latch bolt mechanism of a tubular lock with adjustable backset by an extension casing A latch bolt mechanism of a tubular lock allows adjustment in backset by using an extension casing. The latch bolt mechanism has a latch bolt housing having a latch bolt mounted therein, the latch bolt being movable beyond a face plate or retracted into t... | 01/01/2002 |
| 6327881 | Locking device A locking device for a door, window, or the like, has a main lock casing, at least one additional lock casing and at least one pushrod connecting the additional lock casing with the main lock casing. The additional lock casing has a retractable latch bolt... | 12/11/2001 |
| 6293131 | Lock casing to be installed in a door or the like A lock casing comprises a case-like lock housing and a follower unit which is releasably fastened to the lock housing at an adjustable distance from the front plate of the lock casing. The follower unit includes a follower element which is turnable in the... | 09/25/2001 |
| 6199922 | Latch unit and assembly, and method of operating a latch unit The invention relates to a latch unit which includes a bolt, a housing for the bolt, guides for the bolt in the housing, a first spring for the bolt in the housing, the first spring urging the bolt in a forwards direction towards a holding position in whi... | 03/13/2001 |
| 6193287 | Electronic chassis door locking apparatus An electronic chassis door locking apparatus includes an electronic chassis door and a locking assembly. The electronic chassis door includes a recessed region formed therein. The recessed region is positioned adjacent a latch. The latch is operably attac... | 02/27/2001 |
| 6192723 | Gate lock A gate locking mechanism for receiving either a sliding or swing gate. The gate locking mechanism comprises a control lever with a two position slot for preventing its dead bolt from being forced opened. The lock mechanism comprises a receiving pocket tha... | 02/27/2001 |
| 5947535 | Dual motion, quick release latch mechanism A latch mechanism which includes exterior and interior handle assemblies connected by a bar with a cammed surface such that the latch mechanism can be actuated by pushing, pulling, or turning a handle. Pushing or turning the exterior handle causes the bar... | 09/07/1999 |
| 5927770 | Door lock A door lock which includes a hollow latch bolt coupled to a link by a slip joint, a dead bolt pivoted to the link and adapted to stop the latch bolt from backward movement when forced into engagement with a strike plate.... | 07/27/1999 |
| 5918916 | Automatic deadbolt with separate trigger An automatic door latch has a case and a bolt movable within the case between a fully extended position in which the bolt extends forwardly of the case and a partially extended position in which the bolt is positioned to contact a door strike. There is a ... | 07/06/1999 |
| 5826924 | Lock assembly with emergent forcible unlatching from outside A lock assembly includes an inner handle assembly having a first control plate and an inner handle, an outer handle assembly having a latching plate, and a latch assembly. The lock assembly is shifted from an unlatched status to a latched status upon oper... | 10/27/1998 |
| 5820173 | Lock mechanism A lock mechanism is provided which may actuate both a deadbolt and flush bolts in response to a single lock movement. The mechanism includes a dual element bolt throw and flush bolt actuator, which locks in place in the extended position if the end of the... | 10/13/1998 |
| 5779287 | Lock having an optical bolting means A lock having an optional bolting member is described. It includes a lock case having opposed walls and a latch bolt slidable between a locking position and an unlocking position. The optional bolting member includes a holding bolt introducible through an... | 07/14/1998 |