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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 |
| 7260965 | Locking device A locking device, which mounts a user key (the first key) and a manager key (the second key) separatedly, places a first lock and a second lock unitedly in an outer cylinder. The first lock is opened or rotated by the first key. After the first lock is open, the fir... | 08/28/2007 |
| 7201406 | Adjustable handle assembly A device for operating a lock assembly for a door or window assembly has a first configuration when mounted in a right hand door and a second sonfiguration when mounted in a left hand door. The device has a handle having a first position and a second position. A mem... | 04/10/2007 |
| 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 |
| 7178372 | Combination of locking button and spindle for lock A combination of a locking button and a spindle for a lock includes a spindle having a longitudinal hole and a locking button having a grip portion for manual turning and a shank that is mounted in the longitudinal hole of the spindle. A guiding groove is defined in... | 02/20/2007 |
| 7155947 | Locking control knob A control knob having a locking mechanism that can be pressure-activated and controlled from the outside by the operator. When activated, the locking mechanism engages a structure on which the knob is mounted, preventing the rotation of the knob. The locking mechani... | 01/02/2007 |
| 7152889 | Cable latching system A latching system includes a rotatable cam formed of substantially symmetric pieces with a cable, connected to oppositely disposed bolts, extending therethrough. The configuration of the cam is such that when rotated, the cable is pulled in both directions with resp... | 12/26/2006 |
| 7137657 | Reinforced apparatus for a lever handle of a door lock A reinforced apparatus for a lever handle of a door lock comprises a housing having a first bottom plate and a second bottom plate, in which the first bottom plate connects a first annular wall and a second annular wall, and the second bottom plate connects the seco... | 11/21/2006 |
| 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 |
| 7028514 | Locking latch A locking latch includes an outer housing and a handle in relative movable engagement with the outer housing. In rigid engagement with the handle is a barrel positioned in the outer housing. A key cylinder is in relative movable engagement with the barrel. The key c... | 04/18/2006 |
| 6993945 | Doorknob with a lock The doorknob with a lock has a bolt assembly, a lock activating assembly, an outer doorknob assembly and an inner doorknob assembly. The bolt assembly is mounted in a door and has a bolt head and a rotatable plug. The lock activating assembly has a base, a head, an ... | 02/07/2006 |
| 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 |
| 6968716 | Connection lock executing locking operation without keys A connection lock capable of executing locking operation without keys includes a case to house an actuation mechanism, a rotary cylinder and an elastic element. The actuation mechanism includes a movable leg and a fixed leg. The movable leg is moved by the elastic e... | 11/29/2005 |
| 6941778 | Lock A lock for a door (10) comprises a casing (11), a bolt (55) operable to extend from or retract into the casing, a pivoted operating handle (36) operable at one side of the door to retract the bolt, lock means (28) for key operation... | 09/13/2005 |
| 6918273 | Lock A lock for a door comprises a casing, a bolt operable to extend from or retract into the casing, a pivoted operating handle operable at one side of the door to retract the bolt, lock means for key operation at the other side of the door, and blocking means to preven... | 07/19/2005 |
| 6662606 | Lock cylinder retainer A lock cylinder retainer comprises an annular portion and a rectangular portion extending from the annular portion. The annular portion is configured to engage a lock cylinder core and the rectangular portion is configured to engage a pin housing associat... | 12/16/2003 |
| 6546765 | L-handle with safety lock feature A bellcore-style latch with a safety lock feature, having a handle with a shank. The shank has an axial bore, with side apertures extending through the shank into the bore. A lock plug is positioned in the bore of the handle, and has a head and a shaft. T... | 04/15/2003 |
| 6470721 | Strength reinforcing structure of a lock outer handle A strength reinforcing structure of a lock outer handle includes a disk seat defining a first hole rotatably receiving a handle and a drive shaft tube. The handle has a drive plate rotated by a lock core to drive a lock snapping plate to move longitudinal... | 10/29/2002 |
| 6412319 | Lockset having keyed egg-shaped knob A keyed knob assembly (10) having a knob portion (12), a knob insert (14) partially received within a bore (18) formed in the knob portion (12) and a shank portion (16) partially covering the knob insert (14) is disclosed. A throughbore (48) formed in the... | 07/02/2002 |
| 5987947 | Manual control device for a pickproof lock assembly A manual control device includes an actuated tube which is connected to the stem member contacting against the rod movably received in the plug of the pickproof lock, an operating member securely connected to the actuating tube by receiving the boss there... | 11/23/1999 |
| 5712626 | Remotely-operated self-contained electronic lock security system assembly The present invention provides for a locking mechanism for use in a door and the like. A remote handheld controller transmits coded signals to an electronic door lock. A sensor/receiver receives the signals and provides the signal to a processor which com... | 01/27/1998 |
| 5586459 | Locking handle A locking handle includes a base and a handle rotatably mounted to the base. A well is formed in the handle, and this well communicates with a key opening in a front portion of the handle and a loading opening in a rear portion of the handle. A shaft is m... | 12/24/1996 |
| 5301526 | Lock set with improved spindle mechanism A lock set for use with a deadbolt which includes an improved spindle mechanism is disclosed. The improved spindle mechanism permits the lock set to unlatch the deadbolt by rotating an inner knob without the need to operate a spindle-turning button.... | 04/12/1994 |
| 5157953 | Push and pull type cylinder lock A cylinder lock includes an outer handle formed on an outside of a door having a tumbler lock formed in the outer handle, an inner handle formed on an inside of the door having an inner rotating knob formed in the inner handle, an actuator laterally forme... | 10/27/1992 |
| 5157952 | Tubular door lock A tubular door lock having a kind of structure, wherein locking the lock by an inner knob is accomplished by first pressing and subsequent rotating of said knob, and unlocking by said knob can be done only be rotating of said knob.... | 10/27/1992 |
| 4881389 | Anti-theft device for automobile vehicles The invention relates to anti-theft devices for automobile vehicles in which such devices are fixed on the steering column of the vehicle. The invention provides an anti-theft device which can render the steering mechanism unserviceable by a special lock ... | 11/21/1989 |
| 4732418 | Knob latch A door latch employs removable standoff posts in a concealed mounting, and a lockable latching mechanism which includes a locking slide manually actuatable from the inside of the door and movable from the locked to the unlocked position by a rotary cam me... | 03/22/1988 |
| 4730470 | Security lock An improved security lock for automobiles and the like and of the type designed to lock a control pedal and the steering wheel together is disclosed. The security lock includes a telescopic part featuring an improved length adjustment for speed and streng... | 03/15/1988 |
| 4689976 | Pop-up handle assembly A pop-up handle assembly having a base with a mounting panel and a tubular housing and a handle with a tubular stem axially movable within a hollow sleeve rotatable within the tubular housing. The handle mounts a key-plug which is depressable to release a... | 09/01/1987 |
| 4663953 | Lock mechanism A lock mechanism incorporating a coupling device through which rotation of a lock plug is transmitted to a bolt actuating shift, and which readily allows for interchangeability of key removable locking cores of different axial lengths in a door knob in an... | 05/12/1987 |
| 4435967 | Doorknob A doorknob has a large end face opening in which a face plate is fixedly but rotatably mounted. The face plate contains within itself a figure-8 or other non-circular opening for the reception of a removable key-operated core having a key plug housing and... | 03/13/1984 |
| 4270780 | Door fastener A fastening device for a door permits the actuation thereof by a handle, a locking element, or a key of normal kind. A bearing, fast to the wall of the door, can receive either a standard shaft, or a lock cylinder, or again a shaft having a head of partic... | 06/02/1981 |
| 4036039 | Sash lock Sash lock comprising a rotatable latch cam engageable with a keeper, a locking member for unlockably locking the latch cam to control the rotation of the latch cam, and an actuating member for shifting the lock member to a locked position or an unlocked p... | 07/19/1977 |
| 4019353 | Keeper lock for a slide fastener A key-operated keeper lock for a slide fastener includes an outer tubular barrel, an anvil projecting radially from the barrel and adapted for supporting a fastener lacing element thereon, a tubular handle rotatable in the barrel, means securing the handl... | 04/26/1977 |
