Abstract: An adjustable interconnected lockset adapted to be secured to a door which includes a mounting plate assembly having a vertically extending mounting plate having an operator bracket proximate the bottom thereof with the operator bracket having screw receiving holes. The lockset also has an exterior operator assembly including internally threaded posts, first screw holes extending through the mounting plate and screws which extend through the mounting plate and threadedly engaging with the threaded posts to clamp the door between the exterior operator assembly and the mounting plate assembly. The mounting plate has a central opening extending vertically upwardly from a location proximate the operator bracket and defining mounting plate side panels on either side thereof and the mounting plate assembly further has a dead bolt bracket which includes a central door engaging portion, a pair of opposed side portions adapted to engage the mounting plate side panels, and screw receiving holes.

Abstract: An electric dogging mechanism for an exit device consisting of slidable plate and armature which are attracted to an electric coil when the coil is energized. The slidable plate is connected to a touch bar mechanism. After the touch bar is depressed, retracting the exit device latch, the coil is energized attracting and holding the armature to the coil, thereby holding the touch bar depressed and the latch retracted by the connection of the slidable plate to the touch bar mechanism.

Abstract: An electrically actuable furniture locking device includes a locking housing, a locking pin and an indicator element. The locking housing is provided with two introduction openings for a locking pin. In the locking housing, a locking slide is arranged to be actuated electromagnetically and adjusted from a locking position into an unlocking position. A lever armature, which can be connected to the locking slide, can be connected to the locking slide such that it can be optionally switched over for closed-circuit or open-circuit operation. The locking device permits an arrangement adaptable to various installations, as well as monitoring of the open and closed states and optionally closed- and open-circuit operations.

Abstract: A striker for a fixed frame includes an opening adapted to accommodate a latch member of an opening leaf fitting. The striker includes a base that can be fixed to the fixed frame and an insert including an opening which can accommodate the latch member. The base includes an opening forming a housing for the insert.

Abstract: A clamp for securing a removable cover on a screening machine is an over-center mechanical clamp which includes two distinct clamping force adjustment mechanisms. A first clamping force adjustment mechanism includes a plurality of clamping positions on a support bracket mounted on the cover. The clamp handle assembly is selectively positioned in one of the clamping positions on the support bracket to provide incrementally different clamping force levels. Additionally, irrespective of the clamping position, rotation of a threaded rod of the clamp adjusts the clamping force. A force level indicator is provided on the clamp to indicate the clamping force produced by the clamp.

Abstract: A lock assembly for a vending machine is provided for locking and unlocking a movable door of the vending machine with a remotely controlled electronic latching mechanism. The lock assembly includes at least one keeper assembly disposed on the door of the vending machine and at least one latching mechanism disposed within the interior of the vending machine and positioned for selective interaction and engagement with the keeper assembly when the door is moved between open, intermediate, and closed positions. When the door is moved from the open position toward the intermediate position, the latching mechanism captures the keeper assembly. Once captured, the latching mechanism is then withdrawn within the vending machine to pull the door into the closed position wherein a gasket disposed between the door and the vending machine is substantially uniformly compressed and sealed around its periphery.

Abstract: A lock including a lock housing, a lock bolt rotatably mounted in the lock housing, an undulating end on the lock housing, a torque plate mounted on the lock bolt for rotation therewith, an undulating face on the torque plate, and a spring mounted on the lock bolt and biasing the torque plate into engagement with the undulating end of the lock housing with the undulating face of the torque plate in meshing engagement with the undulating end of the lock housing. A bracket is mounted on the lock housing, first wings on the bracket, and a key having second wings for engagement with the first wings when the lock is in an unlocked condition.

Abstract: An adjustable interconnected lockset adapted to be secured to a door which includes a mounting plate assembly having a vertically extending mounting plate having an operator bracket proximate the bottom thereof with the operator bracket having screw receiving holes. The lockset also has an exterior operator assembly including internally threaded posts, first screw holes extending through the mounting plate and screws which extend through the mounting plate and threadedly engaging with the threaded posts to clamp the door between the exterior operator assembly and the mounting plate assembly. The mounting plate has a central opening extending vertically upwardly from a location proximate the operator bracket and defining mounting plate side panels on either side thereof and the mounting plate assembly further has a dead bolt bracket which includes a central door engaging portion, a pair of opposed side portions adapted to engage the mounting plate side panels, and screw receiving holes.

Abstract: A latch of the pull-up type for attaching one member to another, such as cabinet door to a cabinet, is unlatched and latched by turning the latch handle in one direction or the other. When the door is in a latched position, rotating the unlatching direction initially causing a spring-biased member carrying a latching pawl to move axially inward and away from the engaging surface. The inward movement of the shaft is permitted because a cam in the latch body is moved rotationally to present downwardly sloping cam surfaces of second cam member. An adjustable pawl member is provided which can be positioned to operate over a range of distances relative to the latch body.

Abstract: A flexible coupling is provided for a lock actuator and a latch assembly. The coupling is particularly useful for sliding glass doors and enables the actuator to be mounted to the door in an axially offset relationship with respect to the connecting member of the latch assembly. The coupling includes a male member that includes an outwardly protruding knuckle that is pivotally and frictionally received in the socket of a female member. The male member is connected to either the lock actuator or the latch assembly while the female connector is connected to the other of the lock actuator or the latch assembly. Rotation of the lock actuator results in rotation of both the male and female member thereby resulting in rotation of the connecting member of the latch assembly even though the actuator is disposed offset from the connecting member.

Abstract: A latch assembly for a windowpane of a motor vehicle window is disclosed. The latch assembly has a latch anchor attachable to the motor vehicle, a latch base and a lever or linking mechanism connecting the latch anchor to the latch base. The latch base has an upper base attached to the linking mechanism and a lower base attached to the windowpane. The lower base may be secured to the windowpane either by an adhesive or by partial encapsulation with a polyurethane material which bonds to the windowpane. The upper base is adjustable with respect to the lower base along a first axis to accommodate sheet metal variations, tolerance errors and other misalignments. At least one elongate riser extending from the lower base is received by a corresponding elongate opening of the upper base to form an interlock between the upper base and the lower base resisting separation along second and third axes, which are perpendicular to the first axis and to each other.

Abstract: An adjustable lock latch is composed of a main body, two fastening plates, two rotary wheels, and a handle. The main body has two action rods provided with a projection. The fastening plates are provided with a first position confining hole and a second position confining hole. The rotary wheels are provided with a through hole and a moving block engageable with the projection of the action rods of the main body. The handle is engageable with the through hole of the rotary wheels and with the first position confining hole or the second position confining hole of the fastening plates, so as to actuate the moving block of the rotary wheels.

Abstract: A vehicle door latch has a latching mechanism and stiffness adjustment mechanism disposed in a housing. The housing includes a fishmouth slot for receiving a striker. The latching mechanism includes a fork bolt that moves between a latching position and an unlatching position. The fork bolt has a throat that is aligned with the throat of the housing for receiving the striker when the fork bolt is in the unlatching position and that captures the striker when the fork bolt is in the latching position. An overslam bumper has an elastomeric portion located at a rearward end of the housing slot. The elastomeric portion engages the striker and biases the striker against a surface of the throat of the fork bolt when the striker is captured. The elastomeric portion is preloaded by the stiffness adjustment mechanism that includes a flexible portion of the housing, an expandable bushing, a nut that slides in the bushing for expanding the bushing and an adjustment screw that screws into the nut.

Abstract: A lock including a lock housing, a lock bolt rotatably mounted in the lock housing, an undulating end on the lock housing, a torque plate mounted on the lock bolt for rotation therewith, an undulating face on the torque plate, and a spring mounted on the lock bolt and biasing the torque plate into engagement with the undulating end of the lock housing with the undulating face of the torque plate in meshing engagement with the undulating end of the lock housing. A bracket is mounted on the lock housing, first wings on the bracket, and a key having second wings for engagement with the first wings when the lock is in an unlocked condition.

Abstract: A lock has an actuating nut rotatable about an axis and formed with a radially extending guide, a bolt-controlling push rod slidable offset from the axis in a predetermined direction transverse to the axis, and a slide displaceable radially of the axis in the guide and having an outer end remote from the axis. A pin is engaged between the outer end of the slide and the push rod so that on rotation of the nut about the axis the slide and pin move angularly relative to the axis and the slide moves radially relative to the axis. The guide is a groove formed in the nut and he push rod is formed with a hole receiving the pin and the pin is fixed on the outer end of the slide.

Abstract: In a lock fitting for sliding closures the bolt-carrier has at least one slot to receive the tail of a bolt carrying at least one hook and includes at least one screwthreaded hole having an axis perpendicular to the walls of the slot to receive an immobilizing screw for immobilizing the tail of the bolt against the wall of the slot opposite the immobilizing screw. The tail of the bolt includes at least one opening extending in the longitudinal direction of the slot and the screw bears on at least one edge of the opening.

Abstract: Length-convertible latch with a front box (2) inside a cylindrical receptacle (7) joined to the rear body (4) with the locking nose (6) fixed lengthwise and with a transverse cavity in the body (4) where the nose (6) can be transversally accommodated against an elastic ring (16) only in its angular position of rest and be disengaged from a first pair (9, 13) of transverse lugs of the driving arm (3) to become located in a second pair (10, 14) of transverse lugs--where arm (3) and body (4) are displaced relatively, and becoming engaged in this new position.

Abstract: An automotive vehicle latch system is aligned in a single operation without trial-and-error manipulations of the striker. An alignment mechanism is mounted on the vehicle body to align the striker on the vehicle body with the latch on the vehicle door. The alignment mechanism includes an elongated latch sensor having one end attached to a loosely mounted striker and another end adapted to mate with the door latch when the door is moved to a partially closed position. After the latch sensor has been locked in a proper position for alignment of the striker and latch, the door can be opened to allow the striker to be fastened to the vehicle body.

Abstract: A latch assembly includes a deadbolt which has an axial hole defined therein and a transverse hole defined therein and communicated with the axial hole. A bolt extension includes a first end mounted in the deadbolt and a second end connected to a deadbolt operator mechanism. The first end of the bolt extension includes axially spaced first and second recesses defined therein. A pin is received in the transverse hole of the deadbolt and includes a first end and a second end. The pin is movable between a first position where the first end of the pin is received in the first recess or the second recess to prevent from relative axial movement between the bolt extension and the deadbolt and a second position where the first end of the pin is not received in the recesses to allow relative axial movement between the bolt extension and the deadbolt.

Abstract: An adaptable latch having a bolt case. A bolt case extension is connected to the rear of the bolt case. The bolt case extension can be locked in position with the bolt case to place the latch in a short-length position or a long-length position. A bolt head is disposed in the bolt case. A bolt tail is connected to the rear of the bolt case. The bolt tail can be locked in position with the bolt head to place the latch in the short-length position or the long-length position. A spring-loaded lug allows for simultaneous unlocking of the bolt tail from the bolt head and the case extension from the bolt case. The bolt tail and case extension, when unlocked from a previous locked position, can be placed in another locked position to lock the latch in either the desired long-length position or the short-length position. The bolt tail is locked into position with the bolt head by way of a bolt tail appendage extending into a bolt head hollow.

Abstract: A multipoint lock for securing a door to a door frame includes a tie bar longitudinally movable on the door with two latch members adjustably secured laterally relative thereto. The latch members are modular with hooks for selectively securing to the tie bar and other latch members. A metal face plate is securable over a door side groove with the tie bar movably secured to the plate in the groove at at least two locations by securing members extending through openings in the plate, tie bar and a plastic spacer. The securing members each include a longitudinal body member with parallel longitudinal sides cooperating with a tie bar slot to guide the tie bar. Rivets at ends of the securing members are secured to the plate. A link, pivotable about a substantially horizontal axis, has one arm driveably engaging the tie bar to selectively move the tie bar vertically toward a disengaged position.

Abstract: An interconnected lock is disclosed which can be used in applications which have differing center distances. A rack is located between the lower operator assembly and the upper deadbolt for engaging a pinion which will release the deadbolt. This pinion can be vertically located at a position to receive the drive spindle of the deadbolt. A second pinion which is secured to the turn lever for the deadbolt is secured to the faceplate. These pinions cooperate with adjacent width portions of the rack enabling the faceplate to operate with different center distances.

Abstract: A universal adapter (300) for a security system, having: a back plate (302) having a left portion (304) and a right portion (306); and positioning adapter plates (308,310) extending substantially outwardly from the left and right portions (304,306) of the back plate (302), the positioning adapter plates (308,310) having an adjustment structure, such as a first pair of ports (314) spaced in proximity to the back plate (302) and a second pair of ports (316) spaced away from the back plate (302) , adapted to adjustably receive a lock assembly of a security system in a first position proximate to the back plate and a second position away from the back plate. Also, the adapter can have a clamping structure (350) for holding a locking structure with respect to an inside of a cargo loading door.

Abstract: A recline latch system for a collapsible stroller having a frame and a reclineable passenger support movable between at least one up position and a down position. The recline latch system includes a plate member connected to the frame for retaining the passenger support in the up position, a slidable member connected to the passenger support, wherein the slidable member is slidable between an engaged position and a disengaged position, and an engagement portion disposed on the slidable member, wherein the engagement portion is adapted to cooperate with the plate member when the slidable member is in the engaged position. The recline latch system preferably provides single-handed operation, multi-positional settings for the passenger support, and automatic disengagement while collapsing of the stroller.

Abstract: A magnetic field latch assembly for an apparatus having a first element and a second element with the second element having a disengaged position and an engaged position with respect to the first element. The magnetic field latch assembly employs permanent or electromagnets for shock absorption, positioning and latching the first element and the second element. The magnetic field latch assembly includes magnets associated with the first and second elements such that as the first and second elements approach each other, the magnets initially repel each other causing a braking force to slow the relative motion of the first and second elements. When the first and second elements are in the engaged position, the magnets hold the first and second elements in position and minimize vibration and chatter.

Abstract: A door locking mechanism is disclosed including a door locking member in communication with a lock-actuated bolt which selectively allows rotation of a rotatable actuator plate member. The rotating actuator plate member is attached to a rotatable handle and to a plurality of actuator bars which move locking bolts so as to selectively prevent opening of the door. The rotatable actuator plate member enables all of the actuators to be moved from a single location so that a plurality of cams, etc., are not needed to move locking bolts positioned about the perimeter of the door between open and locking positions. In an additional aspect of the invention, horizontally extending actuator bars are adjustably attached to elongate locking bars having a plurality of locking bolts attached thereto, so as to enable assembly of the locking structures of the door locking mechanism without assembly, and to enable interchangeability of parts.

Abstract: An auxiliary lock comprises a latch assembly having an elongated casing to be received by a first horizontal bore extending into the end of the door. A cylinder mechanism is received by a second horizontal thru bore extending, from one face of the door to the other face of the door and intersecting the first bore. The cylinder mechanism includes a cylinder having a chimney, a cylindrical guard having an annular door engaging surface, an annular lip projecting inwardly from the annular door engaging surface to be received by the second thru bore, a cylindrical segment projecting inwardly from the annular lip, and a strut projecting radially upwardly from one circumferential end of the segment and defining therewith a shaped structure. The strut has a length selected so that the shaped structure lies proximate the bottom of the casing to thereby prevent the rotation of the said guard.

Abstract: A universal door latch is mounted on a door having a series of holes therethrough for a latch spindle and fasteners. The latch has first and second subassemblies, a spindle, and means to rotate the spindle. The first subassembly includes a first housing which is secured to one side of the door and has a recess in its inner surface in which is seated a track plate with a central aperture and elongated slots diametrically spaced from the aperture. A pair of mounting studs are slidably seated in the slots, and a ribbon spring couples the mounting studs to cause the studs remain equidistant during their sliding movement. The second subassembly includes a second housing which is secured to the other side of the door and has a recess in its inner surface in which is seated a mounting plate with a central aperture and elongated slots diametrically spaced from the aperture. A pair of fasteners is slidably seated in the slots and engaged with the studs of the first subassembly.

Abstract: A closure latch or bolt monitoring device having a housing mountable in a closure frame which housing receives a latch or bolt. A pivotal rocker plate is normally biased to a rest position in which a flange portion of the rocker engages a switch connectable to an alarm system. When a latch or bolt is extended into the housing, the rocker plate is pivoted causing it to disengage from the switch providing an indication to the alarm system that the bolt or latch is properly engaged in the closure. An alternate embodiment allows separate monitoring of two lock components such as a separate bolt and latch.

Abstract: An adjustable dead bolt assembly includes a lock case mounted to a face plate, a pair of plates fixed to the lock case, and an actuating wheel. Each plate includes an oblong hole defined therein, wherein at least one of the plates includes a recessed section formed in an inner side thereof, the recessed section having a sidewall extending along at least one of two lateral sides of the oblong hole. At least one of the plates includes at least one protruded section formed in the sidewall of the recessed section, the protruded section being located midway along a lateral side defining the part of the oblong hole. The actuating wheel is slidably mounted between the plates and includes a spring mounted therearound in a compressed manner such that the spring may be expanded into the recessed section around the associated oblong hole to provide a positioning effect for the actuating wheel.

Abstract: An interconnected lock assembly for use on a door includes a latch mechanism for positioning in a first bore in a door. There is an outside operating member connected to the latch mechanism for causing operation thereof and there is an inside operating member connected to the latch mechanism for causing operation thereof. A deadbolt mechanism is mounted in a second bore in the door, which second bore is spaced from the first bore. The deadbolt mechanism has a deadbolt which is automatically movable to an extended position when a portion of the deadbolt mechanism contacts a door strike. The deadbolt mechanism includes a swivel and there is a spindle in engagement with the swivel for retracting the deadbolt. An interconnected assembly connects the inside operating member and the spindle whereby movement of the inside operating member both operates the latch mechanism and moves the deadbolt to a retracted position.

Abstract: A door lock system including a control mechanism transversely mounted in a door in the middle, a transmission mechanism mounted in one hollow stile at one lateral side of the door and coupled to one end of the control mechanism at right angles, a top latch assembly and a bottom latch assembly respectively fastened to the hollow stile at difference elevations and driven by the control mechanism through the transmission mechanism to secure to the door to a doorframe, the top latch assembly including a shell fixed to the hollow stile on the inside, a frame mounted inside the shell, a latch bolt pivoted to the shell, a push member pivoted to the frame and driven to move the latch bolt, an adjustment device driven by the transmission mechanism to move the push member, and a locating device mounted in the frame and controlled by a fine adjustment device to secure the actuating device to the frame.

Abstract: An adjustable latch assembly for the lock assembly of a pull-down door used to close a container space such as the cargo bay of a van or van body of a truck or similar vehicle. The adjustable latch assembly includes a face plate designed to be mounted flush with the floor of the truck bed. The face plate has elongated openings on either side thereof for receiving the locking tongue of a lock assembly. The opposing openings are separated by a bridge surface which covers the adjustable latch mechanism of the present invention. The adjustable latch mechanism includes opposing legs protruding from either side of the bridge with a foot on the opposite end of each leg. Each of the legs has an elongated slot that serves as a guide mechanism for the adjustable latch striker extending beneath the bridge and substantially parallel to it. The striker has opposing ends with holes bored through each opposing end.

Abstract: A latch mechanism includes a housing containing a force transfer member. At one end of the force transfer member, a first cam mechanism is provided which is intended to be rotated by an actuator handle. At the other end of the force transfer member, a second cam mechanism is pivotably mounted to the housing and is pivoted through movements of the force transfer member responsive to rotations of the first Cam mechanism. The second cam mechanism is coupled to a latch bolt so that rotations of the first cam mechanism will result in movements of the latch bolt. The improved latch mechanism is designed to permit complete retraction of the latch bolt through rotation of the first cam mechanism by less than one-twelfth of a revolution, in either direction of rotation.

Abstract: A bolt construction for use in an espagnolette locking system for the multi-point locking of sashes is made up of a linking rod (16) and a locking pin (17), one or the other of which is of fixed length and the other of which may be any one of a plurality of different lengths, the rod and pin being adapted to be connected together with a snap fit in any one of a plurality of different positions, thereby allowing the length of the interconnecting rod and pin to be chosen to fit a particular size of sash. The construction also provides a bolt construction for use in an espagnolette locking system for multi-point locking of sashes, which bolt construction is formed for assembly within a rebate in a face of the sash by means of a snap fit within the rebate. The construction also extends to a sash fitted with two such bolt constructions.

Abstract: A draw latch assembly is formed of three major components including a base member and a latch or bail member interconnected by a link member. The link member and the base member are capable of being pivotally connected in either of two positions rotated 180.degree. from each other so that the reach of the bail member can selectively be either of two different lengths.

Abstract: A door lock includes a deadbolt assembly and a lock housing assembly. The deadbolt assembly has a bolt member which includes a metal inner sleeve, a metal outer sleeve fitted over the inner sleeve and made of a material which is different from that of the metal inner sleeve and which has anti-corrosion properties, and a security bar disposed axially in the inner sleeve. The lock housing assembly includes an exterior housing section with a cylindrical chamber that receives rotatably an exterior lock cylinder unit therein. The lock cylinder unit has a key-operated rotary plug with a rearwardly projecting spindle that is connected operably to the deadbolt assembly. An interior sleeve member is formed as a cylindrical wall with a front end which is secured to the rear side of the lock cylinder unit and a rear end which is formed with diametrically opposite notches. The deadbolt assembly extends through the sleeve member via the notches.

Abstract: A remote-controlled lock device including a striking plate fixed to one door pillar (or the trunk) of the car, a mounting plate fixed to the corresponding door (or the trunk lid) of the car, a casing fixed to the mounting plate, a reversible motor, a transmission device coupled to the reversible motor, a lock bolt disposed in the mounting plate and moved by the transmission device between the locking position to lock the door (or the trunk lid) and the unlocking position to unlock the door (or the trunk lid), a two-way switch automatically triggererd to cut off power supply from the reversible motor when the lock bolt is moved to the locking or unlocking position, a remote controller, and a control circuit controlled by the remote controller to turn the reversible motor forwards or backwards.

Abstract: An automatic door latch has a case with a bolt movable within the case between a fully extended position in which the bolt extends forwardly of the case, a fully retracted position in which the bolt is within the case, and a partially extended position in which the bolt is positioned to contact a door strike. There is a spring which urges the bolt toward the fully extended position. There is a bolt operator for moving the bolt, against the spring, from the fully extended position toward a retracted position. There is a release mechanism which holds the bolt in the partially extended position and which is effective to release the bolt for movement, under urging by the spring, to a fully extended position, from the partially extended position, upon inward movement of the bolt when it is in the partially extended position.

Abstract: An interconnected lock assembly for use on a door includes a first latch adapted to be positioned in a first bore in the door and a second latch adapted to be positioned in a second bore in the door, spaced from the first bore. There is an outside operating member operably connected to the first latch for causing operation thereof and there is an inside operating member operably connected to the first latch for also causing operation thereof. There is an interconnecting mechanism operably connected to the inside operating member and to the second latch. The interconnecting mechanism is effective to cause operation of the second latch when the first latch is operated by the inside operating member. The interconnecting mechanism is adjustable as to length to accommodate variant spacing between the first and second bores.

Abstract: A door opener with a pivotable latch for fitting in a door frame, where a door engages in its closed position with a bolt on a locking surface of the latch for fixing the door position in the door frame and which is characterized in that the latch has a latch base and at least one adapting element, the locking surface is formed on the adapting element, the adapting element is connectable to the latch base and the adapting element has a predeterminable thickness for the adjustment of the door in the closed position.

Abstract: A door latch has a case and a bolt movable within the case between an extended position in which the bolt extends forwardly of the case and a retracted position in which the bolt is positioned within the case. A swivel is mounted in the case for turning movement and a link connects the swivel and the bolt whereby turning of the swivel moves the bolt between the extended and retracted positions. The swivel is movable relative to the forward end of the case for adjusting backset to any distance between defined backset adjustment limits. The bolt, link and case have cooperating portions thereof which hold the bolt in a fully extended position, resisting inward movement thereof except by turning of the swivel, at either limit of backset adjustment and at any backset adjustment position therebetween.

Abstract: A door lock assembly includes an elongated latch bolt having an enlarged front end portion and a cylindrical rear end portion which is formed with axially spaced and aligned first and second protrusions that cooperatively define a rear engaging groove therebetween. The first protrusion and the front end portion cooperatively define a front engaging groove therebetween. A movable member has a vertical end plate transverse to the bolt and formed therethrough with an engaging through-hole through which the rear end portion of the bolt extends fittingly and rotatably. The end plate has an annular inner wall which defines the through-hole and which is formed with a radially extending notch that is sized to permit extension of the protrusions therethrough. The inner wall of the end plate is engaged selectively within one of the engaging grooves in a manner such that the notch is deflected from the protrusions of the bolt, so as to prevent axial movement of the movable member relative to the bolt.

Abstract: A locking device, suitable for walk-in freezer doors, automatically locks when the door is closed, allows the door to be pulled open from the outside only when a proper key is inserted and rotated 90.degree., and always allows the door to be opened from the inside by pushing on a manual actuator. The locking device includes a strike mounted on the door frame, an outside plate assembly including a rigid handle and lock cylinder, and an inside plate assembly including a bracket supporting a spring loaded bolt, an enabling mechanism in the form of a collapsible linkage coupled to the bolt, a manual actuator, and a cover.

Abstract: A latch assembly having an adjustable backset has a housing and a bolt having a length and being slidably disposed within said housing, said bolt assembly comprising a latch member, a draw bar, and a connector for connecting said latch member and said draw bar and for adjusting said latch member relative to said draw bar so as to adjust said length of said bolt assembly over a range including an extended length, a shortened length, and any length therebetween. The latch assembly may be used for any standard or non-standard backset within said range.

Abstract: An adjustable backset deadbolt has a casing formed of a sleeve assembly and a rear case. These two elements are independently adjustable to two different backset positions. A deadbolt is movable within the sleeve assembly between extended and retracted positions. There is a swivel rotatably mounted in the rear case and connected by a retractor to a pair of spaced adjustable backset openings in a rearward extension of the deadbolt. Rotation of the swivel provides translational movement of both the retractor and the deadbolt between the extended and retracted positions. The backset adjustment of the deadbolt is brought about by moving the retractor to one of two openings in the deadbolt extension and this adjustment is independent of the adjustment of the backset length of the casing.

Abstract: A lock or catch (10) is shown for a sliding door or window. The lock has a tongue (13) which can pivot to engage or disengage with a fixed frame part of a frame in which the door or window can slide. The lock has two buttons (16,17) which are respectively operable to move a lock (20,21,23,25,31) so the tongue (13) is moved to a first position (such as an unlocked condition) and to a second position (such as a locked condition).A cylinder lock (not shown) can be used to lock the lock and therefore the tongue (13) in a locked condition.

Abstract: An improved door bolt comprises a slide bar seat, a slide bar disposed in an axial hole of the slide bar seat, a bolt button fastened to the slide bar, and an outer seat provided with a recessed portion having two open ends and two opposite side walls. Located symmetrically in the two opposite side walls are a plurality of parallel grooves. The slide bar seat is mounted in the recessed portion such that two wings of the slide bar seat are slidably inserted into two opposite grooves. A slide bar retainer seat is provided with a retaining hole and an inner sleeve mounted in the retaining hole in such a manner that the inner sleeve can be caused to move along the direction of the longitudinal axis of the retaining hole.

Abstract: A mounting panel of stamped steel has the door hardware such as the window regulator and door handles fixedly mounted thereon to facilitate preassembly and shipping. The mounting panel is subsequently mounted on the vehicle door. A door latch is provided for latching the door in the closed position and a retainer means is provided acting between the mounting panel and the door latch to loosely connect the door latch to the mounting panel for convenience of preassembly and shipping. The retainer means is a molded plastic retainer having integral projections which are force fit into plurality of openings provided in a door latch. The retainer means also has an integral headed prong structure which is loosely retained within an opening in the mounting panel with the aperture being oversized with respect to the headed prong to thereby permit adjusting movement of the door latch relative to the mounting panel.

Abstract: A lock system for a container with a movable closure or lid. The lock system includes a pivotally mounted latch member, a corresponding rigid latch member which interlocks with the pivoting latch member when the closure is closed, and a push-button lock mechanism having a shoulder portion which engages and displaces the pivoting latch member, thereby permitting the closure to be opened, when the lock mechanism is in its "unlocked" position and the push-button is depressed. The pivoting latch member includes a pair of plates slideably coupled to one another, one pivotally mounted in the container and the other supporting a cross-member which engages the rigid latch member. The pivoting latch member has a slot through which the shoulder portion of the lock mechanism passes (without engaging or displacing the latch member) when the lock mechanism is "locked".