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| Number | Title | Issue Date |
| 8113553 | Divided spindle This invention relates to lock spindles divided into two parts and interconnected by a connecting pin. The invention particularly relates to solenoid locks. The invention eliminates the effect of an external force applied to a divided spindle on the opposite-side sp... | 02/14/2012 |
| 7523971 | Spindle assembly with captive spring for use in a door handle assembly A door handle assembly includes a spindle assembly having a first spindle and a second spindle. The first spindle has a shaft portion located between a first head portion and a first coupling end. The shaft portion has a first hub drive portion configured to engage ... | 04/28/2009 |
| 7334439 | Accessory lock assembly An accessory lock assembly includes a latch assembly, an outer knob assembly mounted on one side of a door panel to connect with the latch assembly, an inner knob assembly mounted on another side of the door panel to connect with the latch assembly, and a lock reinf... | 02/26/2008 |
| 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 |
| 7219394 | Door push bar structure A door push bar structure includes a mounting mechanism having a locking element with a stopper, a sleeve screwed at an end to the locking element, and a locating element, the stopper and an end of the locking element screwed to the sleeve being located in a through... | 05/22/2007 |
| 7195295 | Latch driving unit for a door lock A latch driving unit is assembled in an exterior knob assembly of a door lock. The latch driving unit includes a pin, a resilient member, a locking disk, a rotatable disk, a torsion spring, a cap and a strip. The strip removably extends through the cap, torsion spri... | 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 |
| 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 |
| 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 |
| 7100407 | Handled lock set for a door A lock set includes a hollow intermediate spindle connected to a door latch and to an inner handle assembly, a turning rod extending inside the intermediate spindle, a coupler connected to a key-operated lock of an outer handle assembly so as to be turned thereby an... | 09/05/2006 |
| 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 |
| 7047775 | Assembling structure for a door lock An assembling structure for the door lock includes a lever, a lock core unit, an axial tube and an adapter. The lever has a compartment and an engaging member formed therein. The axial tube provides a longitudinal slot and a transverse-retaining recession formed the... | 05/23/2006 |
| 7044513 | Weather resistant latch handle assembly A weather resistant latch handle assembly including a pan having sidewalls with an opening from an interior side of the pan to an exterior side of the pan, a pan floor, and a recessed area defined by the sidewalls and the floor. Bushings are carried in the openings ... | 05/16/2006 |
| 7007987 | 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... | 03/07/2006 |
| 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 |
| 6975507 | Structure of notebook computer The present invention is to provide a notebook computer having a mechanism for configuring the notebook computer as a desktop computer, wherein a housing thereof comprises a substantially rectangular first recess on a top operation surface of the housing adjacent th... | 12/13/2005 |
| 6952940 | Double lock T-handle assembly A double lock T-handle is disclosed having a tray which includes an inwardly dished handle receiving area, a second recessed handle receiving region, and a recessed padlock receiving depression. The tray further includes a lock cylinder casing having a locking cylin... | 10/11/2005 |
| 6938445 | Mortise lock status indicator A conventional mortise lock is provided with a visual status indicator to show whether the room is occupied or vacant. The mortise lock output, which operates the deadbolt, is used to linearly move an indicator slide positioned on the outside of the door by a rotati... | 09/06/2005 |
| 6926315 | Push pull latch bolt mechanism The present invention relates to a latch bolt mechanism for a hinged door, and in particular, to a latch bolt mechanism actuated by push pull spindles. The latch bolt mechanism includes a bolt with an inclined surface, a housing, at least one push pull spindle with ... | 08/09/2005 |
| 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 |
| 6869116 | Lockset with external clutching assembly A lockset assembly having an external clutching assembly. The external clutch assembly includes a first spindle connected to a door lever. The door lever rotates to move a latch assembly between a locked and an unlocked position. A clutching torsion spring inter con... | 03/22/2005 |
| 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 |
| 6714408 | Mechanism for pivotably coupling notebook computer to its display The present invention is to provide a mechanism for pivotably coupling a notebook computer to its display, wherein a keyboard is received in a forward recess of a housing of the notebook computer, and a substantially rectangular pivot board is received in a rearward... | 03/30/2004 |
| 6644077 | Lock structure for bathroom use An inner unlatching mechanism for a bathroom lock includes an inner unlatching rod, a fixing member, a locking wheel, and a follower wheel. The fixing member is fixed to an inner rose and mounted around the inner S unlatching rod. A truncated conic unlatc... | 11/11/2003 |
| 6598440 | Lockset mechanism having a semi-permanent mechanical connection A lockset mechanism having a semi-permanent mechanical connection between the interior and exterior components thereof is provided. The lockset mechanism includes an exterior cylinder assembly releasably coupled to a mounting plate, an interior cylinder a... | 07/29/2003 |
| 6578884 | Latch assembly adapted to be mounted on a recessed door of a cabinet for closing the same A latch assembly includes a casing defining a lever chamber and a spring chamber and having a wall interposed between the lever chamber and the spring chamber and formed with a shaft-extension hole to permit extension of a coupler shaft therethrough such ... | 06/17/2003 |
| 6568727 | Retention and reinforcement system for knobs and levers A collar coacts with a chassis, sleeve and lever of a lockset to provide a retention and reinforcement system for lock assemblies. The collar has a flanged portion and a sleeve-engaging portion and is sandwiched between a lever and the cylinder. The sleev... | 05/27/2003 |
| 6568231 | Lock structure for bathroom use A lock structure for bathroom use comprises an outer rose, an inner rose, an outer unlatching mechanism mounted to the outer rose, and an inner unlatching mechanism mounted to the inner rose. The inner unlatching mechanism includes a turnable inner unlatc... | 05/27/2003 |
| 6523375 | Deadbolt thumbturn assembly The deadbolt thumbturn assembly of the present invention includes a thumbturn including a thumbturn extension, which is inserted through a bushing collar and rose bearing, then secured with a retaining ring such that the thumbturn extension is able to rot... | 02/25/2003 |
| 6425273 | Tubular lever lock A tubular lever lock includes a protruded connection part formed at the cross section of a pawl which slides along an inner spindle and interfaced with the operation of an eccentric hole of an operation globe. The spindles are structured to form and to pr... | 07/30/2002 |
| 6398274 | Retracting spindle for mortise lock A retracting spindle mechanism has a spindle that extends between a handle trim mechanism mounted on the face of a door and a mortised door lock. The spindle is rotated by the handle to operate the door lock and slides axially in a hub to accommodate door... | 06/04/2002 |
| 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 |
| 5927776 | Door handle extension A door handle extension apparatus which improves existing door handle/locksets specifically extending the handle portion of a door handle/lockset thus allowing unincumbered use of the handle portion of the lockset. In one embodiment, the invention utilize... | 07/27/1999 |
| 5927777 | Lock set with improved spindle construction A lock set for a door has a cylindrical spindle integrally coupled with a knob and containing a slide plate which can be actuated to lock and unlock the cylindrical spindle against rotation. The cylindrical wall of the spindle is provided with two diametr... | 07/27/1999 |
| 5788296 | Lock set with improved spindle construction A lock set for a door has a cylindrical spindle integrally coupled with a knob and containing a slide plate which can be actuated to lock and unlock the cylindrical spindle against rotation. The cylindrical wall of the spindle is provided with two diametr... | 08/04/1998 |
| 5761936 | Cylindrical lever-type door lock This invention is directed to a door lock including a housing with a lock body which cannot be easily rotated when a burglar attempts to forcedly further rotate the outside lever handle in excess of a limit for withdrawl movement of a latching slide body.... | 06/09/1998 |
| 5685584 | Adaptor spindle An adaptor spindle having a square cross-sectional center, dimensioned to fit and operate a standard European lock set, eight-sided opposed ends, formed to accept standard American door knobs and levers, and a tension pin, for centering the adaptor spindl... | 11/11/1997 |
| 5624141 | Lock assembly for retracting a door latch A lock assembly includes a linkage mechanism which is operable from the outside of a door via a lever and which is drivingly connected to a latch. An inside operating mechanism which is operable from the inside of the door is connected to the linkage mech... | 04/29/1997 |
