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| Number | Title | Issue Date |
| 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 |
| 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 |
| 7172226 | Spindle for a door handle assembly A spindle for a door assembly includes a first member and a second member. The first and second members each have a base, a first leg and a second leg extending from the base. The second leg is recessed relative to the first leg. The first member confronts the secon... | 02/06/2007 |
| 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 |
| 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 |
| 7096698 | Override assembly for door lock systems having a clutch mechanism A lock system for a door. The lock system includes a clutch mechanism and a lockset with a lockable latch and actuator for operating the latch. The clutch mechanism includes an input cam, an output cam, and an engagement pin having an axis and being dimensioned and ... | 08/29/2006 |
| 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 |
| 7063363 | Apparatus for retaining a retractor mechanism in a lock assembly A retainer apparatus including a retainer clip having a back component, a pair of side plate components, and a pair of front plate components that hold a retractor mechanism for extending and retracting a latch of a lock assembly. The retainer apparatus allows the r... | 06/20/2006 |
| 6997024 | Pull door lock The present invention relates to locking door latches. A door latch according to the invention may include a handle assembly that includes a generally cylindrical shank having an axis, an engagement member that includes a generally cylindrical bore configured to per... | 02/14/2006 |
| 6979029 | Lock with increased torque-resisting capacity A lock includes a main body having an outside seat and an inside seat around which an inside rose liner is mounted. A peripheral wall delimiting a central hole of the inside rose liner includes at least one pair of notches. A reinforcing ring is mounted round the in... | 12/27/2005 |
| 6961987 | Nut and plate washer assembly A nut and plate washer assembly formed from a separate nut body and a separate washer body. The washer body is press fit onto a shank of the nut body, with a head of the nut body embedded in a recess of the washer body. The washer body and nut body can be made from ... | 11/08/2005 |
| 6935148 | Lock engaging-and-disengaging mechanism A lock engaging-and-disengaging mechanism, having: a driving tube, containing at least one hole on the inner wall of the tube, and a key driven tube, flexibly installed to the inner tube portion of the first end of the driving tube, and containing at least one hole ... | 08/30/2005 |
| 6916053 | Latch lock A structure for a latch lock that opens or closes a door without deadlocking it essentially comprised of a front body and a rear body each provided with a round plate locked into to each other with the latch bolt inside a recess of a door panel being placed in a spa... | 07/12/2005 |
| 6568725 | Lock chassis A lock chassis including a chassis housing having two substantially identical housing halves. The housing halves mate to form the housing when oriented 180° relative to each other. The housing halves include sidewalls having a lateral face positioned to ... | 05/27/2003 |
| 6540274 | Slide A slide compartment for a hybrid lock architecture. The slide component comprises a U-shaped body portion and a plurality of independent retractors. At least one pair of slots are positioned near an open end of said U-shaped body for attachment of a drawb... | 04/01/2003 |
| 6364382 | Drawing plate structure of a latch of an auxiliary lock A drawing plate structure of a latch of an auxiliary lock includes a drawing plate having a top portion extended toward one side, thereby forming a top flat portion. A lock tongue is provided with a slot, and the top flat portion of the drawing plate is i... | 04/02/2002 |
| 6038894 | Door lock A door lock has a first handle, a second handle, and a lock device disposed between the first handle and the second handle. The lock device has a disk disposed on the second handle, an annular cover disposed on the first handle, a sleeve disposed on the d... | 03/21/2000 |
| 5983687 | Positioning device for a cylindrical lock A positioning device for a cylindrical lock includes two first upper protrusions and two first lower protrusions respectively extending from an inside hub of the lock, two second upper protrusions and two second lower protrusions respectively extending fr... | 11/16/1999 |
| 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 |
| 5647617 | Adjustable backset spring latch and deadlocking latch An adjustable backset latch which may also function as a spring latch includes a front case and a rear case telescopically movable relative to the front case. There is a bolt axially movable within the front case and a spring biases the bolt outwardly fro... | 07/15/1997 |
| 5445423 | Breakaway lever clutch A door lever assembly for disengaging an unlocked latch of a lockable door latch assembly includes a lever handle rotatably connected to a trim housing and a cam operably connected to the lever handle. The cam is positioned to rotate in response to rotati... | 08/29/1995 |
| 5177987 | Key-in-lever type door lock used for handicapped people A key-in-lever type door lock which can be installed on either a left hand or right hand door by a left-right reverse operation of a reverse plate. The lock comprises a lock assembly which regulates a uni-directional, 45-degree rotation of a handle thereo... | 01/12/1993 |
| 5046772 | Door handle means suitable for mounting slim lever handle A door handle device includes: a restoring device mounted on a washer secured to a door, a spindle laterally adjustably mounted in the restoring device, and a lever handle having a handle sleeve fixed on an outer end portion of the spindle rotatably drivi... | 09/10/1991 |
| 5029914 | Fitting with a handle for operating the lock follower of a lock fitted in a door or the like The invention relates to a fitting with a handle for operating the lock follower of a lock fitted in a door or the like. The fitting comprises a fixing device for its fixing to the door or the like and for rotary mounting of the handle, which device is pa... | 07/09/1991 |
| 4989430 | Latch mechanism A latch mechanism for a door or the like includes first and second rotatable latch operating members which operate a latching bolt or the like. An axially movable square section spindle extends through complementary holes in both members. In an engaged po... | 02/05/1991 |
| 4876866 | Door latch and deadbolt assembly A combination door latch and deadbolt assembly includes an improved latch mechanism and deadbolt mechanism designed for use with doors having a variety of standard size backset and cross bore dimensions. The latch and deadbolt mechanisms are carried by es... | 10/31/1989 |
| 4702117 | Lock actuator for a pair of locks A vehicle use-lock actuator is proposed comprising a stationary housing and a reversible drive motor for locking and unlocking successively two remotely positioned locks. In this actuator, the drive motor is mounted within the housing in a hidden position... | 10/27/1987 |
| 4671087 | Door lock including electrically actuable coupling arrangement A lock intended, for example, for a door and comprising a lock bolt and a knob, handle or corresponding device (4) and an electrically actuable coupling arrangement (7, 8, 9) arranged through the agency of an electric signal to connect the knob to the loc... | 06/09/1987 |
| 4656850 | Electric lock An electric lock comprising a solenoid which has a permanent magnet for attracting a plunger and an electromagnetic coil which is positioned adjacent the permanent magnet so as to control the magnetic flux of the permanent magnet. A cam member which has a... | 04/14/1987 |
| 4475364 | Door-barring lock apparatus Door-barring lock apparatus has a bar member rotatably mounted to the wall near the doorway. When in a transverse or generally horizontal position, this bar member projects into the doorway for engaging the inside of the door near the opposite margin from... | 10/09/1984 |
| 4428212 | Cylinder lock retractor and chassis assembly A cylinder lock chassis is composed of three self-contained subassembly units, namely, a central retractor assembly and two "face assemblies" such as inside and outside knob assemblies or others prepared to provide various different "functions" for the lo... | 01/31/1984 |
| 4422386 | Safe and method of making the same A safe having an outer shell mainly of plastic material, an inner liner of metal, and a filling of heat-resistive material between the shell and the liner. The safe body has a separate cover or door across the top of the body, and when the door is removed... | 12/27/1983 |
| 4236396 | Retrofit lock A lockset having a rim mounted latch bolt and a dead bolt arranged in side-by-side relation on a door for engagement within side-by-side openings in a common strike. The dead bolt projects from an edge of the door and is operated from the inside by a turn... | 12/02/1980 |
| 4226454 | Lock follower, particularly a handle or pressure follower, and a method of manufacturing the same A lock follower, particularly a handle or pressure follower, comprises a hub part consisting of a machined rod-like or tubular material and an arm part consisting of a punched sheet-metal material. The parts are rigidly joined together by flow of material... | 10/07/1980 |
| 4223929 | Door latch assembly A door latch assembly is disclosed adapted for use with a courtesy lock mechanism which can be released in case of emergency by pushing a release stem. The latch assembly has a splined rollback operating shaft which is hollow to receive the release stem t... | 09/23/1980 |
| 4169618 | Plastic door lock A plastic door lock, sometimes referred to as a door latch, makes use of moldable plastic material for most of the individual parts of the lock assembly with opposite roses adapted to interlock with each other and be held together with a single screw on t... | 10/02/1979 |
| 4109948 | Plastic latch bolt for door lock A plastic door lock makes use of moldable plastic material for most of the individual parts with opposite roses adapted to interlock with each other and be held together with a single screw on the axial center line of the knobs and accessible from the out... | 08/29/1978 |
| 4108482 | Disengaging spindle locking mechanism A disengaging spindle locking mechanism for the latch bolt of a mortise type lock is actuated by the locking slide which is normally employed to engage a retractor hub to prevent the hub from being rotated. At the inner end of a split spindle where it is ... | 08/22/1978 |
