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| Number | Title | Issue Date |
| 7347462 | Door handle assembly including auxiliary bearing and auxiliary bearing support for a door handle A door handle assembly includes a door handle having an operator portion, and a shank extending from the operator portion. A mounting plate has a first bearing, the first bearing being sized to receive the shank of the door handle. An auxiliary bearing assembly incl... | 03/25/2008 |
| 7281401 | Protective sleeve for latch mechanism for lock A protective sleeve for a lock includes a circumferential wall delimiting a longitudinal through-hole. The circumferential wall includes at least one longitudinal slot, forming at least one shielding skirt for shielding a housing of a latch mechanism of a lock that ... | 10/16/2007 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 5992195 | Lever handle controller for mortise lock A free-wheeling lever handle controller for operating a mortise lock provides free-wheeling functionality while maintaining the full operational characteristics of various mortise lock functions. A lock mode receiving mechanism connectable to the lock out... | 11/30/1999 |
| 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 |
| 4900073 | Privacy door latch A door latch includes an elongated stationary case and a latch bolt mounted to reciprocate longtudinally in the case between outwardly extended and inwardly retracted positions. The latch bolt is driven between the two positions by a driver mechanically c... | 02/13/1990 |
| 4720127 | Door latch A door latch includes an elongated stationary case and a latch bolt mounted to reciprocate longitudinally in the case between outwardly extended and inwardly retracted positions. The latch bolt is driven between the two positions by a driver mechanically ... | 01/19/1988 |
| 4635453 | Lock set A lock set comprises a housing having a latch bolt assembly supported therewithin. The bolt assembly includes a bolt movable between latched and retracted positions. A retractor slide is connected to the bolt and is supported by the housing for longitudin... | 01/13/1987 |
| 4071270 | Mortise lock having internal auxiliary spring for lever A mortise lock operated by a two-directional inner knob and an outer lever handle has means within its case to limit rotation of the outer lever handle in one direction. An auxiliary hub spring also contained in the case and associated with the outer roll... | 01/31/1978 |
