Abstract: A window stop is provided. The window stop includes a housing defining a cavity and having mount structure. The mount structure is adapted to be mounted to a wall having a thickness between a range of thicknesses from a minimum to a maximum thickness. A bolt is mounted within the cavity and moveable between a retracted position wherein the bolt is substantially located within the housing and a locking position wherein the bolt extends from within the cavity. Also provided is means for releasably holding the bolt in the retracted position and biasing means between the housing and the bolt for biasing the bolt towards the extended position.

Abstract: A latch housing assembly has a latch housing and a retainer, wherein the housing includes a wall, and wherein a receiving aperture opens through the wall. The retainer includes a wall from which an insert protrudes. The insert, when disposed within the receiving aperture interlocks therewith.

Abstract: Disclosed is a convertible motorized latch that may be configured in either of a slam latch or a dead bolt latch configuration, just by desired selection and replacement of a minimal number of components, and which may be used on new (oem) equipment or in retrofit applications. In either preferred configuration, an electric motor contained within the latch housing operates to open or unlock the latch. Latch closure may be provided by spring actuation in a slam configuration or by further motor operation in a dead bolt configuration. Either present configuration may make use of an electrical feedback switch for signaling latch retraction while the dead bolt configuration may also include a second electrical feedback switch for signaling latch extension. A gear train may be incorporated within the latch housing to provide reduced speed and increased torque from the electric motor.

Abstract: An actuator for driving an operating mechanism that operates an operated member of a vehicle by means of a driving of an electric drive source includes a housing for supporting the electric drive source, a detecting means for detecting an operation status of the operated member or the operating mechanism, a switch connector including an output terminal provided as an electric path from the detecting means, and a power feeding connector formed on the housing and including an input terminal provided as an electric path to the electric drive source and a first engaging portion onto which the switch connector is fit.

Abstract: A backset adjustable deadbolt for mounting in a lock cylinder is provided. A deadbolt assembly includes an actuator connected to and movable by the movement of the lock cylinder through the lock cylinder connector. A link bar connects the actuator to the deadbolt at a plurality of attachment points. The deadbolt, lock cylinder connector, actuator, link bar form the deadbolt assembly and are mounted in a housing. A releasable connector extends through the housing. In the engaged position, a releasable connector contacts the actuator to lock the actuator remote end in one of the plurality of attachment points in the link bar. In the disengaged position, the releasable connector releases the actuator remote end from the link bar to allow the link bar move relative to the actuator from one of the plurality of attachment points to a different point for reengagement with the actuator remote end.

Abstract: A backset adjustable deadbolt for mounting in a lock cylinder is provided. A deadbolt assembly includes an actuator connected to and movable by the movement of the lock cylinder through the lock cylinder connector. A link bar connects the actuator to the deadbolt at a plurality of attachment points. The deadbolt, lock cylinder connector, actuator, link bar form the deadbolt assembly and are mounted in a housing. A releasable connector extends through the housing. In the engaged position, a releasable connector contacts the actuator to lock the actuator remote end in one of the plurality of attachment points in the link bar. In the disengaged position, the releasable connector releases the actuator remote end from the link bar to allow the link bar move relative to the actuator from one of the plurality of attachment points to a different point for reengagement with the actuator remote end.

Abstract: A tubular latch assembly for a door and adapted for operation by either an “opener” such as a thumbpiece on one side and/or a knob on the other. The tubular latch comprises a central latch subassembly mounted inside the door and including a latch casing seated in the door, a bolt slidably mounted in said latch casing for extension/retraction (such as through an open face plate), a pivoting retraction lever coupled to the bolt, a spindle hub having a pair of offset cam surfaces, and a pivoting reversing lever engaged at one end with the bolt and at the other end with the second cam surface on the spindle hub for driving the bolt. The central latch subassembly allows opening by either the opener (e.g., thumbpiece) or by rotation of the knob, operation of the knob not affecting the opener and vice versa.

Abstract: A furniture plate assembly extends over a mortise lock in a door and contains a pair of side plates extending over each side of the door, the side plates being clamped against the door by internal fasteners, the internal fasteners comprising a threaded stud which can be rotated by an adjustment member which can be operated from the edge of the door. The adjustment member can be provided with a clutch to prevent over tightening of the assembly. The threaded internal fastener provides better adjustment of the assembly than a cam type clamping device.

Abstract: 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 reinforcing arrangement engaged between the outer and inner knob assemblies to block rotational movements of the outer and inner knob assemblies with the door panel. The inner knob assembly includes an inner actuation unit connecting with the latch assembly and at least a security binding element having a securing end connected to the outer knob assembly and an opposed operating end securely connected to the inner actuation unit within a receiving cavity of a protection shelter in such a manner that the operating end of the connecting element is isolated from outside of the accessory lock assembly by the protection shelter.

Abstract: A reversible latch bolt assembly for a mortise lock. The latch bolt assembly generally comprises a bolt head subassembly having a stem threaded into the rear. The bolt head subassembly engages body designed for anchoring the reversible latch bolt assembly inside a door. The stem is inserted distally into an aperture in the body. A rotary selector assembly is mounted in the body orthogonal to the stem aperture and, when the stem is inserted, selectively engages or disengages the collar of the stem to prevent or allow rotation thereof. The rotary selector assembly is spring biased toward a normally locked position but is rotated to an unlocked position by a hex key or the like. The selector assembly allows free rotation of the bolt head when necessary to reverse the mortise lock, depending on whether the lock is mounted in a left-hand or right-hand door. Since the integral selector assembly is key-operative from the latch body tampering is much more difficult.

Abstract: A latch is disclosed that can be applied to doors in a variety of orientations and/or with keepers in a variety of orientations without any modifications to the latch being necessary. The latch includes a first module that carries a handle and an actuating member, and the latch includes a second module that includes a latching mechanism. The first and second modules can be secured together with the first and second modules being relatively oriented in any one of a plurality of orientations, while the latch remains operational with the two modules secured together in any of the various orientations.

Abstract: An adjustable-backset deadbolt lock with a dual-adjustment capability including a simple push-and-twist operation to adjust the relief of the outer casing, as well as a second adjustment capability for adjusting the deadbolt travel. The deadbolt lock generally comprises a latch case defined by opposing walls having an aperture there through, and a guide tab projecting forwardly from the latch case. An annular frontal casing is inserted onto the latch case and receives the guide tab in a track. The frontal casing remains rotatable on the latch case, the track engaging the guide tab during rotation to extend or retract the frontal casing. The track includes two stop positions so that the frontal casing may be adjusted by an indexed push-and-twist adjustment between two positions relative to the latch case as indexed by the stop positions. The lock also includes a deadbolt with adjustable travel via a two-part bolt cam that is turned to extend/retract the bolt extension and deadbolt.

Abstract: An improved door latch bolt assembly comprising a cylindrical casing having a front end, a back end and an external surface, and at least one tab extending radially outward from the front end of the cylindrical casing; a bolt; a bolt operating mechanism fixed to the cylindrical casing; and a faceplate having a front side, a back side, and a bolt hole adapted to receive the bolt in a sliding relationship; and a cylindrical sleeve comprising two semi-circular halves joined together, the cylindrical sleeve turnably received at the front end on the external surface of the cylindrical casing and slidably joined to the faceplate to permit the cylindrical casing and the faceplate to turn up to about ten degrees in either direction within the sleeve.

Abstract: A closing device for an opening part of a piece of furniture comprises a magnetic detent for retention of the part in a closed position in combination with a thrust “pull-push” mechanism for detachment from the magnetic detent upon command, so as to cause opening of the opening part of the piece of furniture.

Abstract: An improved rotary latch and housing configured to receive a strike is described. The housing includes two parts that are mated together to improve their resistance to impact forces imparted by the strike. The housing is provided with a channel-shaped recess for receiving the strike. A rotary jaw and rotary pawl are disposed within the housing to secure the strike in a locked position and release the strike in an unlocked position.

Abstract: A reversible latch assembly has a faceplate assembly, a latch bolt assembly, a bolt-releasing assembly, a guardian bolt assembly, a driver assembly and a casing assembly. The latch bolt assembly, the bolt-releasing assembly and the guardian bolt assembly are rotatably mounted inside the casing assembly and allow the latch assembly to be reversed and used in either a clockwise or counterclockwise opening door.

Abstract: An electric door lock interchangeable between fail safe and fail secure modes comprising a housing for receiving a plurality of internal components of the door lock. A window is included in the housing, the window allowing access to the internal components to change the operation of the lock between fail safe an fail secure modes.

Abstract: A latch assembly having a housing and a catch assembly on the housing. The catch assembly has at least one catch element that is repositionable relative to the housing to change the catch assembly between first and second different states. The catch assembly in the first state is capable of preventing a strike element engaged by the latch assembly from separating from the latch assembly. The catch assembly in the second state permits a strike element, engaged by the latch assembly with the catch assembly in the first state, to be separated from the latch assembly. The housing has a base wall defining a support for at least a part of the catch assembly, a first side wall extending angularly away from the base wall, and a return wall projecting angularly away from the first side wall.

Abstract: A sliding-action slam latch includes an integrally molded actuator having a rigid portion and an flexible portion, the flexible portion serving to bias the actuator closed. Pins extending from the rigid portion of the actuator contact guide surfaces on the latch body to limit travel of the actuator.

Abstract: A sill knob and cable assembly, for interconnecting a lock button and a vehicle latch, includes a tubular sheath and a cable slidably disposed in the sheath. The cable has a sill knob attached to an upper end thereof. The sheath has a hollow housing attached to an upper end thereof for slidably receiving the sill knob. The housing includes a guide sleeve and a shield, integrally attached to the top of the guide sleeve, for limiting unauthorized access to the sill knob and the base of the lock button, when the vehicle is locked. The housing may also include a ledge extending between the shield and the top of the guide sleeve. The shield may be a cylindrical collar for protectively surrounding the sill knob when said sill knob is in a lowered position. A sleeved housing for use with a sill knob and cable assembly is also described.

Abstract: A method and apparatus for limiting the movement of a fork bolt when it is in a locking position. The apparatus comprising a latch mechanism for use with a striker, the latch mechanism comprising: a housing being configured to movably receive a fork bolt therein, the fork bolt traveling from an open door position to a closed door position to a locked door position, the fork bolt engaging the striker as the fork bolt moves from the open door position to the closed door position and the locked door position; a protrusion disposed on a surface of the housing, the protrusion having a length corresponding to the movement of the fork bolt from the open door position to the closed door position and the locked door position, the protrusion gradually increasing in height from the surface along the length wherein the protrusion makes contact with the fork bolt as the fork bolt travels from the open door position to the closed door position and the locked door position and movement of the fork bolt.

Abstract: A door lock device includes a latch mechanism selectively engaging with a striker, an open unit operating at a plane surface perpendicular to one direction for transmitting an opening operational force from a vehicle inside and from a vehicle outside to operate the latch mechanism from an engaged state with the striker to the disengaged state from the striker, and a lock unit operating at a plane surface perpendicular to said one direction for transmitting an operational force to the open unit for operating the open unit to be an unlocked state for transmitting the opening operational force to the latch mechanism and a locked state not for transmitting the opening operational force to the latch mechanism.

Abstract: The door handle bracket and latch assembly of the present invention includes a bracket subassembly and a latch. The latch has a spring mounted rotor and a spring mounted catch which function to maintain a door in a latched or unlatched condition. The bracket subassembly includes a mounting plate, a pivotally mounted trip lever, and a rotational release cam receiving the drive shaft of the door handle. Upon rotation of the door handle in either a clockwise or counterclockwise direction, the release cam pivots the trip lever, which in turn pivots the catch out of retentive engagement with the rotor, such that the rotor rotates to the unlatched position to allow the door to move from the latched closed position to an unlatched open position. The assembly has a simple design with a low profile and versatile mounting options.

Abstract: An elongated latch bar is slidably carried in a passageway through a bolt housing and is extendable into an aligned passageway of a keeper. The extended end of the latch bar carries a transverse cavity for receiving a cross-latch. The keeper carries the cross-latch in a suitable position to engage and lock the latch bar to the keeper when the latch bar when it is suitably inserted and positioned in the keeper. The cross-latch carries narrow operator that extends across the keeper passageway to an outside location and allows the cross-latch to be manually depressed. The latch bar has a forked end that creates a slot leading to the cavity. The slot is sized to allow passage of the operator but not the cross-latch.

Abstract: A storm door has first and second elongated, partly curved lock receiving openings formed in respective elongated edges. Each opening is filled in part with a molded hollow insert with an external periphery which matches a periphery of the respective opening. A lock mechanism has a housing with an external periphery that matches, at least in part, an internal periphery of a respective insert. An actuating port in the housing has a central axis, which extends parallel to the respective edge, through the door through which extends a rotatable actuating shaft. An external handle can be attached to the shaft. An unused insert can be closed with a slidably engaging cover.

Abstract: A latch assembly includes a lock case, two assembling plates, a latch bolt, a connecting plate, a first cam, and a second cam. The lock case and the assembling plates are connected together for receiving the latch bolt, the connecting plate, and the cams. Each assembling plate includes a first hole and a second hole, with the first holes being aligned with each other and with the second holes being aligned with each other. The connecting plate is connected to the latch bolt and the cams to move therewith. Each cam has a spindle hole. At least one cam has a stop wall that closes the respective spindle hole to form a closed non-circular hole. The spindle holes of the cams are separated by the stop wall, thereby preventing a spindle extending through one of the spindle holes from entering the other spindle hole.

Abstract: A tubular door lock includes a dead bolt and a follower slidably received in a housing and coupled together. The follower included a groove formed between two levers, two actuators are rotatably received in the housing and each includes one or more actuating fingers engageable with the levers of the follower, for selectively actuating the levers of the follower to move the dead bolt relative to the housing, when the actuators are rotated relative to the housing. The provision of the actuators in different positions relative to the housing allows the lock device or the knob to engage with either of actuators, for allowing the lock device and the knob to be secured into the door panel at different positions.

Abstract: At least one exemplary embodiment of the present invention provides a removable drive-in housing assembly for securing a latch assembly in a door. The removable drive-in housing assembly can include a cylindrical casing having a longitudinal axis, the casing adapted to at least partially surround the latch assembly. The removable drive-in housing assembly also can include a unitary cylindrical inner collar removably receivable around an outer circumference of the cylindrical casing. Further, the removable drive-in housing assembly can include a unitary cylindrical outer collar removably receivable around an outer circumference of the inner collar. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).

Abstract: A door latch comprises a follower mounted for rotational movement in a latch housing, a guide pin provided on an actuating arm of the follower which is operatively linked to a multiplier, a bolt biased outwards of the housing, and an inelastic flexible element connected between the multiplier and bolt. In operation rotational movement of the follower is amplified by the guide pin acting on the multiplier. The increased rotational movement of the multiplier is converted to rectilinear movement of the bolt into the housing by the inelastic flexible element, which wraps around an outside edge of the multiplier.

Abstract: A latch assembly includes a casing having at least two engaging slots. A housing consists of two housing halves each having at least two engaging blocks on an inner periphery thereof. The blocks are releasably, securely engaged in the engaging slots of the casing. The latch assembly is mounted in a bore of a door by inserting the housing into the bore with the housing being mounted on the casing of the latch assembly.

Abstract: A lock for locking a door panel to a door frame, which includes a knob assembly comprising a front protective housing and a rear knob frame defining a lock cavity therebetween in the door panel; a door latch assembly including a latch actuation member transversely disposed within the lock cavity and a locking latch connected to the latch actuation member in a slidably movable manner; an actuation unit to actuate the door latch assembly; and a lock enhancing device which includes a reinforcing member for substantially mounting to the door panel between the front and the rear side thereof, and a latch guider integrally extended from the reinforcing member within the lock cavity to couple with an inner end portion of the latch actuation member so as to substantially retain the latch actuation member within the lock cavity in position.

Abstract: An adjustable deadbolt assembly including a deadbolt, a cylinder-connecting portion formed with mounting provisions for mounting thereto, a lock cylinder, an actuator formed with a hub connectable to a lock cylinder, the hub being journaled in the cylinder-connecting portion and a link bar that connects the actuator to the deadbolt at at least one of a plurality of attachment points formed on at least one of the deadbolt and the link bar. A method for adjusting an adjustable deadbolt assembly is also disclosed.

Abstract: A latch assembly includes a lock case, two assembling plates, a latch bolt, a connecting plate, a first cam, and a second cam. The lock case and the assembling plates are connected together for receiving the latch bolt, the connecting plate, and the cams. Each assembling plate includes a first hole and a second hole, with the first holes being aligned with each other and with the second holes being aligned with each other. The connecting plate is connected to the latch bolt and the cams to move therewith. Each cam has a spindle hole. At least one cam has a stop wall that closes the respective spindle hole to form a closed non-circular hole. The spindle holes of the cams are separated by the stop wall, thereby preventing a spindle extending through one of the spindle holes from entering the other spindle hole.

Abstract: A tubular door lock includes a lock case and a latch bolt mounted to an end of the lock case. The latch bolt is connected to a pulling plate that has at least one first protrusion and at least one second protrusion. Two assembling plates are securely mounted to the other end of the lock case. A wheel includes a body pivotally held in a hole of a support plate mounted between the assembling plates. A connecting plate includes at least one tooth for selectively engaging with one of the first protrusion and the second protrusion of the pulling plate. The connecting plate includes an oblong hole through which the body of the wheel extends. The connecting plate further includes at least one guide piece, with a side of an arcuate protruded portion of the body of the wheel abutting against the guide piece.

Abstract: The invention is an anti-rotational lock chassis for a retractable latch. The lock chassis includes a first hub having at least one flat side and a second hub with a thread exterior. An internally threaded plate receives the externally threaded hub. The flat-sided plate receives the flat-sided hub. Each plate is positioned between a spring cage assembly and the chassis. The spring cage assembly includes a drive spindle that rotates to extend and retract the latch to secure access through a door. A connecting element interconnects the spring case assemblies. Cutouts in each plate engage the connecting elements, thereby constraining the plates and chassis from rotating inside the door.

Abstract: A latch assembly includes a casing having at least two engaging slots. A housing consists of two housing halves each having at least two engaging blocks on an inner periphery thereof. The blocks are releasably, securely engaged in the engaging slots of the casing. The latch assembly is mounted in a bore of a door by inserting the housing into the bore with the housing being mounted on the casing of the latch assembly.

Abstract: An auxiliary lock comprises a housing having a faceplate attached thereto. A casing includes a first end received in the housing and having two positioning slots for selectively engaging with a guide member of the housing. A deadbolt is received in the housing and slidable between a retracted position and an extended position. A connecting member is mounted to an end of the deadbolt. An end of a pull rod is mounted in the deadbolt and has two guide grooves each having a longitudinal section and two retaining sections transverse to the longitudinal section and communicated with the longitudinal section. When the connecting member is in the retaining sections, the deadbolt is not movable along the longitudinal direction of the housing. When the connecting member is in the longitudinal section, the deadbolt is movable along the longitudinal direction of the housing relative to the pull rod.

Abstract: A bored-in latch assembly for an exit device having a latch tube which extends past the face plate and past at least a leading edge of the scalp where the leading edge of the scalp is adjacent to the face plate, thereby providing a bearing surface for the latchbolt within the latch tube and in which the bearing surface is free of any edges of the face plate and an edge of the scalp which is adjacent to the face plate.

Abstract: Certain exemplary embodiments of the present invention provide a removable drive-in housing assembly for securing a latch assembly in a door. The removable drive-in housing assembly can include a cylindrical casing having a longitudinal axis, said casing adapted to at least partially surround the latch assembly, and a seamless annular collar snapably attachable to said cylindrical casing. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims.

Abstract: A combination structure of the assembly plates and the cylinder of a lock latch includes a cylinder, a first assembly plate, and a second assembly plate. The cylinder is formed with a slot which has a top end and a bottom end each formed with a locking recess, and has a first side and a second side each formed with at least one side recess. The first assembly plate is provided with at least one locking groove locked with the side recess of the first side of the slot, and is provided with a reinforcement plate locked in the locking recess of the slot of the cylinder. The second assembly plate is provided with multiple hooks locked in the side recess of the second side of the slot, and at least one recess for locking the side plate of the first assembly plate.

Abstract: At least one exemplary embodiment of the present invention provides a removable drive-in housing assembly for securing a latch assembly in a door. The removable drive-in housing assembly can include a cylindrical casing having a longitudinal axis, the casing adapted to at least partially surround the latch assembly. The removable drive-in housing assembly also can include a unitary cylindrical inner collar removably receivable around an outer circumference of the cylindrical casing. Further, the removable drive-in housing assembly can include a unitary cylindrical outer collar removably receivable around an outer circumference of the inner collar. It is emphasized that this abstract is provided to comply with the rules requiring an abstract that will allow a searcher or other reader to quickly ascertain the subject matter of the technical disclosure. This abstract is submitted with the understanding that it will not be used to interpret or limit the scope or meaning of the claims. 37 CFR 1.72(b).

Abstract: A trunk lid or back door of a vehicle includes an inner panel and an outer panel, and a gap is formed between the inner panel and the outer panels. A reinforcement member is provided outside the inner panel at a position corresponding to an attachment unit of a latch. An extending portion of the reinforcement member extends to the outer panel and is provided with an attachment portion which is fixed on the outer panel. The latch is provided inside the inner panel and a latch disengaging lever is attached to the latch at the outer side thereof in a rotatable manner. In addition, the extending portion of the reinforcement member is positioned directly above the latch disengaging member.

Abstract: A door lock includes a tubular casing having a front end-plate covered with a panel. The casing receives a bolt, a linking piece, a trigger and a tumbler therein, with the bolt connected to a slider through the linking piece. The slider has two pairs of cogs, and is movable between two opposite guides. An annular follower is positioned in the guides and has a pair of paws for selectively pushing the pairs of cogs in order to move the slider and hence the bolt backward. The slider further has a pair of indentations and one guide have a pair of teeth engagable with rear ends of the indentations when the bolt is fully extended, so as to provide the bolt with an extended position independent from the panel. Additionally, the guide has two pairs of opposite stops located between the pairs of cogs.

Abstract: A fastener device, in particular for a door or a gate, more particularly a double door, including a lock including a frame with a carrier plate and an edge plate, the frame being arranged to be mounted with the edge plate against an upright, at least one bolt slidably mounted on the frame between a retracted and a projecting position and extending in its projecting position with a distal extremity over a predetermined distance out of the edge plate such as to extend through and project with a portion out of the upright when the lock is mounted against this upright, and an actuation mechanism arranged to move the bolt from its retracted to its projecting position and vice versa and including an operating member acting on an abutment element on the bolt, which abutment element is separated by a predetermined length of the bolt from the distal extremity thereof.

Abstract: An auxiliary lock comprises a housing having a faceplate attached thereto. A casing includes a first end received in the housing and having two positioning slots for selectively engaging with a guide member of the housing. A deadbolt is received in the housing and slidable between a retracted position and an extended position. A connecting member is mounted to an end of the deadbolt. An end of a pull rod is mounted in the deadbolt and has two guide grooves each having a longitudinal section and two retaining sections transverse to the longitudinal section and communicated with the longitudinal section. When the connecting member is in the retaining sections, the deadbolt is not movable along the longitudinal direction of the housing. When the connecting member is in the longitudinal section, the deadbolt is movable along the longitudinal direction of the housing relative to the pull rod.

Abstract: A handle support mechanism is designed for attachment to a door lock, preferably the exterior of a mortise lock, that has two handles driven back to an initial position with a common return spring after either handle is used. The support mechanism prevents the unused handle from drooping or rotating when the common return spring is compressed as the opposite handle is turned. The support mechanism includes first and second friction discs trapped between the exterior of the mortise lock and the legs of a U-shaped spring bracket. The spring bracket applies an inward spring pressure to prevent a friction disc and its corresponding handle from turning when the other handle is in use. The handle support mechanism improves visual appearance and is particularly suitable for retrofit installations, lever handle designs and mortise locks with independent switch sensors on the two handles that notify a monitoring system as to which handle was turned to open a monitored door.

Abstract: A door lock includes a tubular casing having a front end-plate covered with a panel. The casing receives a bolt, a linking piece, a trigger and a tumbler therein, with the bolt connected to a slider through the linking piece. The slider has two pairs of cogs, and is movable between two opposite guides. An annular follower is positioned in the guides and has a pair of paws for selectively pushing the pairs of cogs in order to move the slider and hence the bolt backward. The slider further has a pair of indentations and one guide have a pair of teeth engagable with rear ends of the indentations when the bolt is fully extended, so as to provide the bolt with an extended position independent from the panel. Additionally, the guide has two pairs of opposite stops located between the pairs of cogs.

Abstract: A storm door has first and second elongated, partly curved lock receiving openings formed in respective elongated edges. Each opening is filled in part with a molded hollow insert with an external periphery which matches a periphery of the respective opening. A lock mechanism has a housing with an external periphery that matches, at least in part, an internal periphery of a respective insert. An actuating port in the housing has a central axis, which extends parallel to the respective edge, through the door through which extends a rotatable actuating shaft. An external handle can be attached to the shaft. An unused insert can be closed with a slidably engaging cover.

Abstract: The invention pertains to a window sash lock comprising a handle, a latch, a base and a base cover that fits over at least a substantial portion of the base and completely covers the base fasteners, while not interfering with the handle and latch. The base cover is typically a molded plastic design but may be formed as a metal stamping or fabricated from any suitable material. The base cover may be attached to the base by snap means or by an interference fit for easy removal and reinstallation so that the base cover can be replaced when decorating to provide a color, style or textural change.

Abstract: A fire-resistant, aluminum, cementitious-material-free, insulation-free door adapted to prevent the spread of fire and heat passing therethrough, consists of: a door frame; a door hingedly mounted on the door frame, the door having a bottom wall, a top wall, and side walls, the bottom wall, top wall and side walls enclosing a hollow central core not containing substantial amounts of insulating material, the bottom wall having an outside surface, and the top wall having an outside surface; and a layer of intumescent material on the outside surface of the bottom wall. A heat-activated self-closing mechanism allows the weight of the door to close the door in the event of fire, by releasing gas from a supporting gas spring.