Abstract: A frame assembly of a trunk lid locking device comprises a lower frame of vessel-shaped formed by bending four sides of a base plate about at a right angle, a latch placed in an interior of the lower frame and engaged with a striker to be rotated, a ratchet for preventing the latch from reversely rotating, an upper frame of approximately flat plate-like for closing an upper opening of the lower frame. An engagement hole extending in a left-and-right direction is formed on one of a front side of the upper frame and a top end of the lower frame, and a L-shaped engagement portion is formed on the other of the top end of the lower frame and the front side of the upper frame so as to engage with the engagement hole.

Abstract: A door latch including a spindle engaged between two knobs and rotated with the knobs, a housing formed in the knobs, a case having one end engaged in the housing, a stop engaged in the case, a latch bolt engaged in the case and including a head movable outward of the case and a pair of arms having a camway for engagement with the spindle so that the head can be pushed inwards of the case, and a spring engaged between the stop and the head for biasing the head out of the case when the spindle no longer acts on the camways of the arms.

Abstract: A lockset is adaptable for installation at more than one backset distance including a bolt assembly which has a latch member and a separable drawbar located within a housing assembly, a portion of which is also made up of two relatively movable portions. Operation of the lock is standard in so far as extending and retracting the bolt is concerned, while adjustment of the backset distance is accomplished by simultaneously adjusting the lengths of the bolt assembly and the housing assembly. Visual indication of backset distance is provided as is adaptability without the use of tools. Bolt throw disablement is provided when the lockset is in the transfer position for changing backset.

Abstract: An adjustable latch assembly used in a lever lock comprises a shell, a shelf, a rotator, an actuating arm, a positioning and pulling assembly, and a bolt. The shell is attachable to a door. The shelf has a first position and a second position within the shell. The rotator is mountable on the shelf. The actuating arm co-operates with the rotator, so as to be actuated by the rotator when the rotator rotates. The positioning and pulling assembly positions the shelf in the first position or the second position and pulls the bolt inward. The adjustable latch assembly has a first backset when the shelf is at the first position and a second backset when shelf is at a second position.

Abstract: A pivot latch adapted for releasably securing a pivotable sash window to a master frame. The master frame has opposed, vertically extending guide rails. The sash has a hollow top sash rail, a base and a pair of hollow stiles cooperatively connected together at adjacent extremities thereof to form a rectangular sash frame. The top sash rail includes a pair of opposing header slots. Each of the header slots forms a pair of opposing, longitudinal header rails. The pivot latch comprises a housing having an outward end opening. A latch bolt is disposed within the housing. The pivot latch further includes a spring for biasing the latch bolt outwardly through the outward end opening and is adapted for engaging one of the guide rails. The housing has a cover having longitudinal edges and a pair of side walls depending from the cover and disposed inward of the edges.

Abstract: An electromagnetic lock assembly has longitudinally extending interlocking protrusions and recesses in the magnet and magnet housing surfaces. This permits longitudinal movement of the magnet within the housing, but prevents lifting of the magnet out of the housing. End caps and an electronic circuitry cover clamp the magnet longitudinally within the housing and provide the mounting bolt brackets. An armature, providing for distribution of separating forces, reduces bending tendencies in the armature contact plate and thereby increases the effective separation load bearing capability of the lock assembly.

Abstract: A locking device relating to a door construction to be used in an air raid shelter or the like. The door construction (1) comprises a door panel (4) arranged in a frame (3) and provided with a supporting frame (5). To make the door construction, subjected to a load, as unyielding and stable as possible, a mechanism (21 to 24) of the locking device (2) is arranged in the supporting frame (5), actual bolt members being constituted by cylinder elements (23) to be supported on the supporting frame (5) and to be arranged to comply in shape with recesses (31) of the frame (3).

Abstract: A door handle assembly including an escutcheon plate, a handle secured to the outer face of the escutcheon plate, and a turn lever mounted on the outer face of the escutcheon plate. The turn lever includes an actuator portion which passes through a transverse slot in the escutcheon plate and through an actuator hole in the door for access to the actuator of a latch assembly so as to move the latch assembly between latched and unlatched positions in response to turning of the turn lever.

Abstract: A door lock, comprising a bolt assembly movably retained by a stop member in a slideway inside a lock case, which stop member is retained by a torsional spring and confined by an adjusting screw for rotation through a fixed angle. Loosening the adjusting screw causes the bolt assembly to be released from the stop member permitting it to be changed upside down. The bolt assembly comprises a sector-like bolt detechably secured to a bolt holder by a screw. The sector-like bolt can be inverted and then reattached to the bolt holder.

Abstract: A cylindrical lock assembly (20) includes an inside subassembly (22) and an outside subassembly (24) which are assembled with a door (326). Each subassembly (22,24) includes a rose liner (26,38), a return spring cassette (28,40), a rose (30,42), a lever (32,46) and a lever insert (34,48). The inside subassembly (22) also includes a turn button (36) and the outside subassembly (24) includes a cylinder lock (44).A pair of mounting blocks (258,260) are contained within the chassis (50) to facilitate threaded connection of the chassis to the rose liners (26,38) which are assembled on respective sides of the door (326) and thereby provide an anti-rotation mounting for the chassis.

Abstract: The lock comprises four removable bolts (1) screwed onto a bolt tail (2) obtained by means of a tubular profiled section (3). The bolts include an inner fixing screw (4) arranged inside a sleeve (10), the screw bearing against the sleeve in order to block it in position. The screw and the sleeve of the bolt are separable.

Abstract: A power actuator for a door lock device comprising an electric motor driving a worm gear, a gear wheel driven by the worm gear, a handling lever driven by an arcuate projection on the gear wheel and a locking arm rotated by the handling lever. The wheel gear has a peripheral groove with a portion of reduced width for supporting opposite ends of an elongate coil spring; which is compressed in a direction corresponding to the rotation of the gear wheel. An arcuate segment projects axially from the gear wheel. The opposite ends of the arcuate segment and the handling lever is shaped to provide point contact with the handling lever upon initial engagement and surface contact as the arcuate projection moves the handling lever to the locking and unlocking position. A contact is disposed on a base plate; and contacts on the handling lever slidably engage the contacts on the base plate to detect the locking and unlocking position of the handling lever.

Abstract: An improved latch housing comprising a striker receiving slot or recess opening through the latch housing for receiving a striker, (the latch housing for mounting a ratchet pivotable from an open position for receiving the striker to a closed position and a pawl for locking the ratchet in the closed (locked) position, the slot or recess having a mouth and two ends and being tapered from a broader portion (near the mouth) to a narrower portion (remote the mouth) intermediate its ends, the end of the recess proximate the broader tapered portion comprising a pair of parallel spaced walls extending towards the mouth from proximate the broader portion and the end of the recess proximate the narrower portion (remote the mouth) comprising a pair of spaced walls which are parallel to one another when the striker is secured in the striker receiving recess of the latch housing. The latch housing is for use with a tapered striker.

Abstract: A cover for a latch or the like mounted at an opening in a panel and comprising a base member and a closure member, with the base member having a bottom and a wall around the bottom, and with the closure member having a gasket, a closed top, and a hinge joining the gasket and top. The base member bottom and the closure member gasket have openings for alignment with the panel opening for receiving the latch and clamping the cover to the panel around the latch, with the base member wall and said closure member top having interengaging lips for holding the closure member top on the base member wall.

Abstract: A dual backset deadbolt assembly comprises a deadbolt mounted in a deadbolt housing for movement to a locking position or an unlocking position, an extension housing having two parallel side walls which are provided with two cam guide slots located at two different backset distances, a transmission plate means having a front engaging member to connect with the deadbolt and a rear forked portion, the rear forked portion having two rearwardly extending strip members and an elongated opening between the strip members, the strip members having at least one pair of engagement members, the engagement members being formed respectively on the strip members, a single cam member mounted in the extension housing and having at least one spindle slot to be put in an alignment with at least one of the cam guide slots, the cam member having at least one pair of camming members which can engage with the engagement members to actuate the transmission plate.

Abstract: Prior latches for sliding doors typically lock only from the inside of the door. The present invention provides a lock and latch system which allows the sliding door to be locked using a key from inside or outside the door, allowing the home owner to prevent unauthorized access by the picking of the external lock or breaking of the glass door and releasing of the lock from the inside. This is accomplished by providing a lock and latch in which the latch hook is rotated either by an internal handle or an external key. A rotating lug member, which is rotated from the interior by a key, can be engaged to block rotation of the latch.

Abstract: A deadbolt latch assembly includes a cylindrical latch housing containing a pair of ear tabs for engagement with either of a rectangular or circular faceplate assembly, depending upon the requirements of the door in which the latch assembly is to be mounted. The rectangular faceplate assembly includes a backing plate for rotary engagement with the ear tube, while the circular faceplate assembly includes a pair of elongated slots for slidably engaging the ear tabs and a groove for accepting a retainer ring which holds the ear tabs in place.

Abstract: A method for repairing or protecting doors which includes a kit having the components to form, when assembled, a single U-shaped unit which when installed covers the area around the door latch. The repair kit comprises a multi-component system including front and rear panel pieces; one or more edge panel pieces of varyng widths, and a strike plate large enough to cover any damaged areas. The repair kit is designed for use on standard thickness doors.

Abstract: A gravity latch for a swinging gates such as a corral gate or a gate on a box stall. The latch has a barrel and keeper mounted on the gate and a gate post. They are both rectangular metal tubes and inclined downwardly from the barrel to the gate at an angle of 45.degree.. The barrel and keeper have parallel rows of fastener openings through them to enable the fastening of the barrel and keeper to gates and posts of various types, including wooden and steel corral gates. A bolt for the latch is in the form of a source metal tube that slides along the barrel and the keeper. In the latched condition, it is completely enclosed within the barrel and keeper to prevent opening of the gate by an animal.

Abstract: An improved duplex latch-bolt mechanism is composed of a latch-bolt head assembly and a latch-bolt transfer device adapted to make a selectable connection with a standard latch-handle assembly having a square transfer member and a pair of cylindrical support nuts provided for use in a door fitting arrangement.

Abstract: A lock device for a vehicle in accordance with the present invention comprises a synthetic resin body; a recess formed on the surface side of the body and storing a latch meshing switch a striker; a swell portion formed on the back side of the body, having a C-shaped sectional shape and partitioning by its inner wall a guide groove of the striker; an enclosure wall formed integrally with the body at a position above the upper wall of the swell portion on the back side of the body; and a box defined between the lower surface of the enclosure wall and the upper wall of the swell portion. A switch for detecting the rotating position of the latch is stored inside the box. A metallic back plate is fixed to the back side of the body and a cover for covering the back side of the box is formed integrally with the metallic back plate. A protuberance projecting into the box is provided to the latch.

Abstract: A locking device for a closable box-shaped hood provided in an industrial vehicle. The hood has a recess on its lateral surface, a rotatable locking unit having a lever is provided in the recess, and a hood catch for engaging with a key-shaped section of the locking unit is provided on the vehicle.

Abstract: A door lock for an automobile includes a wall facing a column which supports a pawl for detenting a rotary latch, a coil spring which is placed around the column. One end of the coil spring is supported by a first supporting portion of a housing. The other end of the coil spring is supported by a second supporting portion of a wall and is connected to the pawl. The column includes a connecting portion which projects from the column to limit movement of the coil spring.

Abstract: A bar guideway for the flat strip bar (18) of a bar closure (14) is described which is intended for installation in the fillet gap of sheet metal cabinet doors, and the flat strip bar (14) does not carry any or only tediously dissemblable locking means such as pins, hooks, roll pins or double roll pins. According to the invention, the bar guideway (20) forms a base angle (60) of resiliently elastic material such as synthetic material, whose one leg (62) has a fastening hole (64) and whose other leg (66) has one projecting rail (72 respectively 74) each. Each rail has a hook-shaped profile, and thereby forms a guide track (76) for the flat strip bar (18) (FIG. 1 and 6).

Abstract: The assembly has a multi-tabbed bracket for fixing to a door behind, and parallel with, a latch-actuating rod, and a semi-circular rod guard with latching fingers for slidable engagement with the tabs of the bracket for enclosing and protecting the latch-actuating rod. In addition, the assembly has a shroud-like guard for emplacement over a rod-actuated latch. The shroud-like latch guard has a ramped surface which, when the guard is in place, presents an impingement surface for wheeled devices to facilitate an opening of the door. The shroud-like guard, then, both protects the latch over which it is emplaced and makes the opening of the door more facile.

Abstract: A modular door lock apparatus having a mainframe defined by a front face plate and an outer and inner side plate extending rearwardly of said front face plate a latch assembly being fixedly mounted to said front face plate, so as to be positioned between the side plates. A key cylinder is secured to the outer side plate and a latch knob is mounted to the inner side plate so as to operate the latch bolt of the latch assembly. The door lock apparatus is secured to the door by sliding the apparatus into a central bore and adjacent longitudinal slots that are formed in the leading edge of the door. The apparatus is then secured to the door by means of a pair of transversely positioned screws that are received through the oppositely disposed slots having their threaded ends extending outwardly of the outer side plate to engage the key cylinder. The screws may also be provided with nuts, which are fixedly positioned against the outer side plate.

Abstract: A tubular latch housing having a plurality of projections on its outer periphery for keeping a ring fitted around said housing between said projections and a face plate combined at the outer end of said housing so that said housing can rotate to adjust its position for combining with a lock set even after said housing is mounted in a door.

Abstract: A door lock device having a key handling lever for rotating a locking arm selectively to a locked and unlocked position. A switch for detecting the locked and unlocked position of the locking arm has a main body member attached to a sub housing of the device. An arm element is pivotably attached to the main body member and is connected to and movable with the locking arm. A first switch contact is formed on a surface of the main body member; and a second switch contact is formed on the arm element. The switch contacts are in engagement when in a locked condition and out of engagement when in an unlocked condition.

Abstract: Door reinforcing apparatus (2) comprising a lock guard (4) for fitting to an outer face (10) of a door (12) adjacent a lock (14) in the door (12), and fixing studs (18) for fixing the lock guard (4) in position, the lock guard (4) being larger than the lock (14), the lock guard (4) having a side wall (20) which extends over the outer face (10) of the door (12) and an end wall (22) which abuts the edge (24) of the door (12) during use of the door reinforcing apparatus (2), the side wall (20) having a key aperture (26) for receiving a key for the lock (14), the end wall (22) having a lock aperture (30) for receiving at least a bolt part of the lock (14) so that the bolt part of the lock (14) can pass backwards and forwards through the lock aperture (30 ) during operation of the lock (14), and the fixing studs (18) comprising studs (40) which extend from an inner face (42) of the side wall (20) of the lock guard (4) parallel to but spaced apart from the end wall (22), and screw members (44) which pass through ap

Abstract: A door lock assembly having a housing and sub housing configured to fit low in a vehicle door. The housing has a vertically extending groove for discharging water from between the housing and rear edge of the door, a wall for directing water from the interior, a downwardly facing opening for relieving negative pressure, a recess for receiving a weatherstripping clip, and a clamp for securing a wiring harness to the exterior.

Abstract: A tubular door lock (1) has an actuating plate member (4) of metal formed by pressing and provided with a square shaft hole (42) and four square projections (43) around the square shaft hole to fit in a round opening (22, 32) of either of two assembling plates (2, 3) between which the actuating plate (4) is disposed when assembled. The actuating plate is rotated by rotation of the square shaft so that cams (44) thereon engage teeth (13) on bolt plate (11) to retract the bolt (12).

Abstract: The invention relates to a vehicle door equipped with an integrated control device that can be mounted and tested off the assembly line; the door presents a slot for an outer handle, an inner supporting plate and a lateral clearance hole machined close to the clearance slot; the aforesaid integrated device comprises an L-shaped bracket supporting, on one wing, the outer handle and, on the other, a fork of a lock housed inside the bracket and connected to the outer handle and an inner handle fitted with its own supporting bracket and connected to the lock by means of a flexible cable; during use, the L-shaped bracket is fixed to the door with the fork facing the lateral slot and the outer handle housed inside the clearance slot and the bracket of the inner handle fixed to the inner plate of the door.

Abstract: An adjustable deadbolt backset latch arrangement having a bolt train including a deadbolt in which the deadbolt is arrested by action of a turntable shuttle to permit backset adjustment of the latch arrangement.

Abstract: A deadbolt lockset having a linkage between the bolt and the bolt housing. The attachment point between the bolt and the first link can be selected from among several attachment points, and the connection between the bolt housing and a second link can be selected from among several locations to give a selected backset and a selected throw. A particular feature is the capability to provide a substantially longer throw than with conventional deadbolt assemblies.

Abstract: A pocket-type computer encompassed by a two-part casing has the entire latch mechanism contained in sidewalls of upper and lower hinged casings. The sidewalls have a thickness of only about two millimeters. A latch plate is integrally molded in a sidewall interior recess or formed as a molded part and fixedly adhered in the recess. One end of an elongated latch is fixed in an interior recess in the upper casing sidewall and depends therefrom so that a centilevered end having locking tooth slides on an inclined surface on the latch plate as the casings are closed until the latch tooth springs into a recess and keeper in the latch plate. An integral push button extends outwardly from the latch at a medial position into a matching aperture in the upper casing sidewall. The push button is accessed from the casing exterior and when pushed inwardly, the latch is pivoted inwardly releasing the latch tooth from the latch keeper to allow opening of the two casings.

Abstract: An auxiliary lock with an extensible device comprising a push button which can function to make a case extend or shrink so that the auxiliary lock can be changed in the short or the long size.

Abstract: An apparatus for front end locking of containers on a chassis comprising a locking pin moveable in a sleeve formed by a locking pin housing. A pivotable handle is mounted to the locking pin housing with one end extending into a chamber formed in the locking pin to engage the locking pin and cam it into reciprocal positions through the action of a force exerted on the other end of the handle.

Abstract: An auxiliary lock is disclosed on which it is possible to change its length by turning and moving a combining plate to cause an extensible shell to turn and move around a cylinder so that a projection in the extensible shell may extend into one of two positioning holes in the cylinder to form the short length or in the other positioning hole to form the long length. At the same time, a connecting pin in a deadbolt moves in a U-shaped slot and a reversed U-shaped slot in a moving plate operable by a mechanism in the combining plate.

Abstract: An extension unit for a door lock in which it is possible to readily change the backset of the door lock unit to accommodate standard backsets of 23/8 inches and 23/4 inches. The extension unit comprises an extension element, a connector element and a housing element, all of which, in combination, permit the backset to be easily and readily changed.

Abstract: A fitting for doors, windows or the like including an espagnolette or espagnolette lock fitted in a case in which is housed a control mechanism permitting the activation of at least one operating rod and an electrical blocking device. In order to avoid significant modifications to the standard espagnolette or espagnolette lock, the electrical blocking device is in the form of a separate assembly placed either at any place at the front edge of the leaf of the door or window, or aligned with the prolongation of and coupled with the case of the espagnolette or espagnolette lock.

Abstract: A door lock apparatus includes a casing having a lock mechanism disposed therein, an actuating mechanism disposed on the casing to actuate the lock mechanism, and a protective member covering the actuating mechanism. The apparatus is provided with pins for retaining the actuating mechanism on the casing, and engagement portions are provided on the pins and the casing, respectively. The protective member is provided with retaining portions which are engageable with the engagement portions, respectively, so that the engagement portions and the retaining portions are fitted with each other to rigidly secure the protective member to the casing. Accordingly it is possible to mount the protective member firmly and easily. Since the protective member can be molded from a resin material, it is possible to lower the production cost and reduce the overall weight of the product. In addition, since there is no need for special means such as rivets, it is possible to mount the protective member at a reduced cost.

Abstract: A standard power-type motor-vehicle latch assembly comprises a door latch having an actuating lever displaceable between a position in which a respective door of the vehicle is locked and a position in which the respective door is unlocked, a locking knob connected to the lever and accessible from inside the vehicle to displace the lever between its positions, a power actuator having a housing, a motor in the housing, and an actuating element movable by the motor between a pair of positions, and a linkage interconnecting the element with the lever for operation of the latter by the former. The actuator housing is mounted directly on the door latch and the level is integrally formed with an actuating arm having an end projecting from the latch into the actuator housing and forming part of the linkage. The element is formed with a seat receiving the arm end and also forming part of the linkage.

Abstract: A gate latch assembly includes a pair of cover members having a common plane of symmetry. A first cover member defines a recess receiving an adjoining lever and spacer block, each having its own plane of symmetry perpendicular to the cover plane of symmetry. The spacer block includes a pair of recesses on opposing sides of the block at one end thereof for receiving the lever on either side of the block. The remaining cover member closes the recess and defines another recess with the first cover member for receiving a portion of a gate or other swinging member on which the gate assembly is mounted. The symmetry of the assembly permits it to be used for left-handed or right-handed and inside or outside opening. A preferred hinge includes a pair of identical post leaves and a gate leaf. Each post leaf includes a knuckle and a post plate supported tangentially from the knuckle by an extenison portion.

Abstract: A pivot lever bar closure in the fillet gap of sheet metal cabinet doors. This bar closure is provided with a cylinder lock that is installed into two identical rectangular apertures. The bar closure consists of a lock case and cylinder lock. The lock case has a pivot lever actuating device that is led through the door panel to the outside. This pivot lever drives one or more bar closures of flat strip material that extends parallel to the door edge of the fillet gap. The cylinder lock holds the pivot lever firm in its hinged-in position. The pivot lever closure comprises a base plate forming the receiving trough for the pivot lever which connects the closure with the door panel.

Abstract: A dual backset deadbolt assembly to be associated with a lock having a rotatable cylinder which has two axially extending crank members for actuating a deadbolt to move in two opposite directions, wherein the deadbolt assembly comprises a deadbolt housing holding a deadbolt, a rear extension housing having two side plates with aligned crank holes therein, a transmission plate having a front end engaging with the deadbolt, and two independently movable axial strip members slideably provided between two side plates on either side of the crank holes provided in the side plates, the strip members being connected to the rear forked portion of the transmission plate and having a plurality of teeth each extending into each crank hole, the strip members being selectable for cooperation with the operative crank member by the engagement of one of the teeth and the operative crank member.

Abstract: A dual backset latch bolt assembly includes at least one pair of cam members mounted on at least one side plate of a latch housing. The latch bolt assembly is provided with positioning holes and engaging notches so that the assembly can be used in combination with a lock having either positioning female screws or guide plates for attachment. The latch bolt assembly may be arranged such that two pairs of cam members are mounted respectively on two side plates of the housing, thereby permitting the latch assembly to cooperate with a lock having either a single rotary spindle or two rotary spindles which are respectively associated with two parts of the lock operable from the outside and inside of a door.

Abstract: A door latch having an adjustable backset position which allows it to be used in doors having either a 23/8" backset or a 23/4" backset. The latch includes a cam which extends and retracts the latch bolt and has a rotational axis which is movable between the backset positions. The cam lever cooperates with a bolt extension which adjustably engages the bolt such that upon transposition of the cam lever, the bolt extension is adjusted relative to the bolt accordingly. A cam stabilizer plate prevents adjustment of the backset once the latch is installed.

Abstract: To protect a door lock mechanism for an automotive vehicle from water or freezing, the door lock mechanism is arranged between a base plate member and a resin protective cover; the upper end portions of the base plate are covered by peripheral walls extending from the walls of the protective cover; the control levers are led out toward the outside through lead-out openings formed horizontally outward between the end surface of the base plate member and the lower surface of the peripheral wall of the protective cover; and some U-shaped control levers are led out through the lead-out openings so as to take a long way around the side edges of the peripheral walls of the protective cover at the lead-out openings.

Abstract: An integrated structural latch for vehicle doors having a structural latching module and a non-structural actuating module; the structural latching module having a metal plate having an opening therethrough and having metal latching mechanisms secured thereto adjacent the opening, the latching mechanisms for engaging a striker passing through the opening, the striker disposed adjacent one end of a vehicle door; the non-structural actuating module being secured to the structural latching module and having a housing with an opening therethrough aligned in use with the opening through the structural latching module and having actuation mechanisms for engaging and disengaging the latching means; whereby the structural latching module and the non-structural actuating module are assembled and when assembled provide an integrated structural latch.

Abstract: An adjustable deadlatch for a lockset for adjusting to either of two backset positions. First and second cylindrical members are located in a telescopic arrangement for allowing a longitudinal telescopic adjustment between the cylindrical members. First longitudinal adjustment structure is interconnected between the cylindrical members and includes a first vertical slot and a first pin member located within the first vertical slot and includes a first rotatable member supporting the first pin member at a radial position. A deadbolt, located within the first cylindrical member includes a longitudinal opening. An actuating member includes a longitudinal portion located within the longitudinal opening. Second longitudinal adjusting structure is coupled between the deadbolt and the actuating member and includes a second vertical slot and a second pin member received within the second vertical slot and mounted on a second rotatable member at a radial position.