Abstract: A small angle latch is disclosed which moves a latch bolt from a fully extended position to a retracted position wherein the latch bolt is substantially flush with an outer surface of a faceplate through a rotation of an input device, such as a lever, in the range of from about 25 degrees to about 35 degrees, without exceeding a maximum torque upon the input member of 28 inch-pounds.

Abstract: The present invention relates to a smart electronic lock and a suitcase.

Abstract: An interconnected lock for use on a door, where the lock has adjustable offset spacing between a deadbolt and latchbolt. The lock includes first and second shafts for actuating the deadbolt lock mechanism, at different offset spacings. A linkage arm connected to and moveable by the latchbolt actuator is alternately connectable to rotate either the first or second deadbolt-actuating shaft. The linkage arm has first and second upper positions, for alternate connection to rotate the first and second deadbolt-actuating shafts, respectively. Upon operation of the interior actuator, the linkage arm moves the deadbolt along the second axis from the latched to the unlatched position at the same time that the operation of the interior actuator moves the latchbolt along the first axis from the latched to the unlatched position.

Abstract: A latch for detachably attaching a door to a jamb and convertible to an arrangement wherein the door can be opened and closed without manipulating the knob so that people with arthritis and certain disabilities may be relieved from having to manipulate the knob. In the converted arrangement, the bolt is held in a retracted position relative to the latch housing by a screw received in apertures in the housing and in the bolt. The knob is also held non-rotatably by the screw also being threadedly received in a threaded aperture in a cam to which the knob is attached.

Abstract: A drawer lock includes a housing with a cam received therein and the cam has a driving member. A deadlocking bolt in the housing has a driven member which is located so that it can be contacted by the driving member. A main bolt located in the housing and is driven by the cam. The main bolt has a stop portion which can be contacted by the driving member. The main bolt has an engaging stepped face. When the deadlocking bolt is pushed down responsive to closing the drawer, the driven member is engaged with the engaging stepped face by a bias force of a resilient member so that the drawer lock cannot be unlocked. When the cam rotates in one direction, the driving member contacts the stop portion to position the main bolt so that the drawer is not locked unintentionally.

Abstract: 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 interior of a housing of the electronic lock. The elastic clasp is retained by a protruding edge of the housing, thereby disenabling the first bolt from an arbitrary retracting movement that would otherwise render the lock incapable of being unlocked. The input device controls the electromagnetic device to induce the elastic clasp and release a retaining state, and then directly rotating a rotating button causes a retracting movement of the first bolt and unlocking of the electronic lock, which simultaneously disconnects the security system.

Abstract: A door lock assembly having a first escutcheon assembly for mounting a latch mechanism. The escutcheon includes a plate having a through-hole, first and second post mounts formed on an inward facing side of the plate outside the through-hole, and first and second removable posts that are removably coupled to the first and second post mounts, respectively, such that they are removable without permanent alteration to the escutcheon. The latch mechanism includes a shaft coupled with the bushing, a torsion spring having two distal ends for centering an angular position of the, wherein the two distal ends rest against a stop formed on the inward facing side of the escutcheon, and wherein at least one distal end is engaged with the off-centered protrusion of the bushing. The bushing may also include an ear protruding radially for engagement with a penannular portion formed in the through-hole of the escutcheon.

Abstract: A locking fitting for a leaf of a door, French window or the like, such as a lock, espagnolette-lock or the like, at least one spring-lock (2) elastically restored into locking position and capable of being actuated, through an appropriate control mechanism, such as by a control handle or knob. This locking fitting includes a retainer associated to the spring-bolt and designed so as to be capable, on the one hand, of maintaining the latter in an unlocked or semi-locked position when the leaf is open and, on the other hand, of being made inactive in order to release the spring-lock by the sash-frame of the door or French window, in particular by a keeper this sash-frame is provided with and which is aimed at receiving the spring-bolt.

Abstract: 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 the face plate. Two plates are connected together and mounted to an inner end of the latch bolt. The plates includes aligned two first positioning holes, aligned second positioning hole, and aligned openings. An actuating plate is mounted between the plates and includes an end operably connected to the latch bolt. The other end of the actuating plate includes two teeth each having a block formed thereon. The blocks are pressed against by a follower plate that also includes two teeth. When either tooth of the actuating plate or the follower plate is pressed against by a spindle of the lockset, the latch bolt is retracted. An extension casing is mounted around the plates and movable toward or away from the latch bolt housing.

Abstract: A sliding door deadbolt assembly containing a self-retracting finger pull mechanism is described. Provided is a latch assembly having a self-latching deadbolt assembly for mounting to a sliding door and latching with a strike plate mounted in a door frame and a self-retracting finger pull mechanism for accessing the sliding door from within a surrounding framework.