Abstract: A lock assembly is disclosed for locking pivotable hoods, flaps or the like of motor vehicles, which lock assembly has a displaceable closing cylinder, a handle key, a detent pawl and a rotary latch. To ensure that a closure of this type is adjusted quickly and accurately during assembly, the closing cylinder and handle key on the one hand and the detent pawl and rotary latch on the other hand are arranged in separate housings, and the two housings have guides in which they are displaceable relative to one another on overcoming a frictional force.

Abstract: The door latch construction is of the usual type wherein a bolt is reciprocal in a casing between extended and projecting positions with latch operating means forwardly operably connected to the bolt for causing such motion. In such latch construction, the longitudinal distance between the forward extremity of the casing and the operator axis constitutes backset. According to the present invention, the casing and bolt are each comprised of relatively longitudinally movable forward and rearward parts with a substantially helical slot on one of the parts and engaged by a projection on the other of the parts in each case. The slot and projection of each provides helical longitudinal movement for each of the determined same amount between a forward backset and a rearward backset, with interconnection means between certain of the bolt parts and certain of the casing parts for requiring substantially the same helical longitudinal movement of one upon such movement of the other.

Abstract: A door set has a bolt-guide sleeve which is adjustably connected to the escutcheons on which the doorknobs are journaled by a pair of toothed elements bridging the escutcheons and passing through slots in the sleeves which have complementarily toothed edges.

Abstract: This invention relates to an auxiliary lock which has a base, a rotating shell, and an extending shell that, through the hooks, grooves, and notches disposed thereon, can connect selectively together in a short or long position and is therefore able to change the distance between a rotating member and the faceplate of the lock via adjustment of the rotating shell.

Abstract: A two-piece fastening assembly, for cabinet doors and other relatively movable objects, is disclosed. One piece comprises a housing, having attachments on its outside to fix it to one of the movable objects, with a rotatable, reciprocating catch positioned inside having projections which alternately engage fixed sockets in the housing. The other piece is a keeper that is attached to the other movable object that contacts the reciprocating catch and allows closing and opening of the two parts.

Abstract: The present disclosure relates to a backset-adjustable latch bolt mechanism of a cylinder lock, more particularly to a latch bolt mechanism so mechanically structured that two options of backset of either 23/8" (60 mm) or 23/4" (70 mm) are alternately available by removing the connecting pin off the retractor slide and pressing down the emerging spot of the fixing button, which is based on a spiral spring, then outwardly pulling the extension case, letting the spot of the case fixing button pop out in the second bore on the extention case so to change the backset of the latch from 23/8" (60 mm) to 23/4" (70 mm). The latch bolt mechanism is based on a retractor slide having two consecutive latch releasing notches for effecting the mechanical operation.

Abstract: Herein disclosed is an improved door latch device which is designed for facilitating not only the assembly per se but also the mounting thereof to a door. The door latch device comprises a generally L-shaped base plate with first and second wing portions, a latch mechanism section secured to the first wing portion, a control mechanism section which exhibits its normal function when properly mounted to the second wing portion, a hinge structure for pivotally connecting the latch and control mechanism sections together and disconnecting them from each other when desired, and a snap fastening device for detachably fastening the control mechanism section to the second wing portion in a snap action manner.

Abstract: A dead bolt lock houses both a dead bolt and a security chain assembly. Externally accessible drive linkages cause the simultaneous ejection of the dead bolt and a portion of the security chain assembly whereby the dead bolt is engaged with a strike plate in the door jamb and the security chain assembly is latched to a chain latch assembly which forms a part of the strike plate. Operation of the externally accessible drive linkage to withdraw the dead bolt back into the lock is achieved without disengagement of the security chain assembly from the jamb mounted latch. A separate latch release is provided for disengaging the security chain. The lock body is provided with door penetrating detents which are actuated by the insertion of the dead bolt within the lock body whereby the detents are raised from within the lock body so as to lockingly engage with the door.

Abstract: The locking bar assembly of the present invention is adapted to lock horizontally slidable, overlapping window doors, such as patio doors, in closed position. One end of a locking bar is pivoted to a bracket, or pivotal member, for movement in between a stored vertical position and a horizontal locking position. A clasping member, carried by the bracket, resiliently retains the locking bar either in the vertical position, or against upward pivoting from its horizontal position. The bracket is so constructed that it can be secured to the sash or to the handle flange of one door when the two doors can be opened, or to the door opening frame when only one door can be opened.

Abstract: An improvement for a dead bolt assembly having a dead bolt mounted movably in a bolt casing and a crank plate mounted in an extension housing at the rear side of the bolt casing to move the dead bolt upon actuation of a lock, comprises an adjustable bolt extension member which has a fixed plate member and an extensible channel member pivoted to the fixed plate member, and a crank plate mounting means which is mounted movably in the extension housing to hold the crank plate in a movable position so that the crank plate can be kept in a cooperative relationship with the extensible member.

Abstract: A wire harness supporting structure in a door according to the present invention includes a reinforced bracket having a guide and a pair of harness holders projecting upward from the guide. The reinforced bracket is fastened jointly with a doorlock to the internal part of the door. The wire harness extended from the electrical part is laid along the guide and fixed and supported at the harness holders.

Abstract: A lock device for a hinged cargo door of a truck trailer has a housing with a vertically extended groove in one side wall for receiving the rotatable cargo door lock bar. A transversely extended lock pin in the housing is transversely movable through an opening in the same side wall for insertion into a registered hole in the cargo door lock bar in the locked position thereof. Transverse movement of the lock pin is controlled by a simple lock mechanism including a key operated lock shaft having a rocker arm rotatable therewith and having a free end connected to the lock pin for transverse movement of the lock pin in response to rotation of the lock shaft.

Abstract: A latchbolt has an adjustable backset made possible by the selection of one of a plurality of insets to interfit with the latchbolt actuator stub. The insets provide a selection in the distance between the actuator work shoulders and the end of the stub. A sleeve telescopes over the latchbolt tailpiece to hold the inset in position.

Abstract: The latch bolt assembly of this invention features a novel cam activating assembly which permits election of one of two door knob spindle backsets which are in standard usage without the need for substituting different operating assemblies or reversing door knob or spindle components. The cam activating assembly features two intersecting rotatably mounted cams which operate about two separate and parallel axes which are the centers of the two spindle backset in common industry usage and further the two cams form a common intersecting aperture for accepting the door knob spindle in one of the two predetermined backset positions. Each cam is capable of independently operating the latchbolt in either direction of rotation through radially extending cam ears which coact with the latch operating plate to convert the rotary motion of the cams to the reciprocating motion required to retract the bolt.

Abstract: The latch housing is made from a sheet of metal cut and bent to form a back wall and top and bottom and side walls which extend forwardly therefrom. The side walls diverge from each other so that the forward edges of the side walls are spaced apart a distance greater than the width of the opening in the door. The side walls are movable toward one another between the top and bottom walls to enable insertion of the housing into the opening. When mounted, the side walls extend between the top and bottom walls with their bottom edges overlying the upper surface of the bottom wall to conceal from view the space between the side walls and the bottom wall.

Abstract: A door control mechanism for use in conjunction with a pair of swinging doors to control latching. The mechanism comprises a first stamped metal part adapted to be fixedly mounted on the door. This part comprises a first track portion and a second track portion. A second stamped metal part comprises a slide portion which slidably engages one track portion of the first metal part. An actuating mechanism is arranged on the second track portion of the first stamped metal part and has an operative coupling with the second stamped metal part. The second stamped metal part is adapted to be connected to a latch bolt. When the actuating mechanism is operated, the second stamped metal part is selectively positioned along the first track portion of the first stamped metal part with the bolt being positioned accordingly.

Abstract: The door lock assembly, the inside door handle, the power lock actuator, the various bell crank levers, and the connecting rods acting therebetween are assembled upon a module frame off the assembly line to enable construction of a preassembled and tested door lock and handle module for subsequent mounting on the vehicle door. The module frame has a longitudinal extending stiffening flange along the upper margin thereof. A molded plastic cover fits over the assembled module and cooperates with the module frame and its stiffening flange to enclose the door lock rod in order to prevent unauthorized entry into the vehicle body by the insertion of a tool between the door outer panel and the window glass to actuate the door lock rod.

Abstract: The backset of a deadbolt lock may be adjusted selectively between 23/8" and 23/4" by manually shifting a spring-loaded pin which extends through vertical slots in the lock bolt, U-shaped slots in the driver bar and inverted L-shaped slots in the lock case. The pin also connects the driver bar to the bolt and causes the bolt to move between extended and retracted positions when the operating spindle of the lock is turned.

Abstract: Pilferage deterrent device for box car, container or trailer doors of the type in which the device is toward the top of the door out of reach of a person standing on the ground, and only accessible to release the latch from the top, by a person standing on a loading dock or elevated platform. The latch cooperates with a keeper and both the keeper and latch are enclosed so access cannot be had to the latch to release the latch by a pole or elongated tool.A pivoted release member termed a trigger extends above a housing for the latch and is transversely pivoted to the housing and protected by the housing to prevent access to said release member from the ground. The release member has camming engagement with the latch and is operable by hand to cam the latch out of engagement with the keeper and accommodate opening of the door.

Abstract: An improved deadbolt lockset is provided in which one of two different backset distances is facilitated in a single latch assembly. At least one planar side plate coupled to a deadbolt extension is provided and is slidably contained within a hollow latch case. Movement of the side plate determines the distance from the face plate of the assembly to the axis of an actuating assembly. The latch case includes slots formed therein for positioning the actuating assembly and to allow movement of the side plates.

Abstract: A lock assembly of the type mounted on a door or like closure structure and including two lock cylinders each at least partially encased and surrounded by a casing structure each of which has reinforcing means formed thereon so as to prevent collapse or destruction of said casing structure upon receiving an extreme force such as a blow with a hammer or the like. An activating structure is interconnected between a bolt element and each of the lock cylinders such that rotation of either lock cylinder, as by a key, causes at least partial rotation of the activating structure and linear movement of the bolt element into either an extended or retracted position.

Abstract: A vehicle body door handle assembly includes a mounting member which is mounted to a flange of the rear portion of the upper portion of a vehicle body door and includes a housing fitting within a cutout in the flange and mounting a pull type handle. The handle is associated with an operating mechanism connected to a vehicle body door lock mounted inside the lower portion of the door. The handle and operating mechanism are mounted outwardly of the rear side wall of the door and access to the handle is provided through the rear open side of the housing and an adjacent recess in the body lock pillar.

Abstract: Disclosed herein is an improved door latching device which is generally composed of two sections which are hingedly connected to each other, one section including a latch plate and a first control mechanism, the first control mechanism being capable of causing the latch plate to assume a non-latched condition, a half-latched condition or a full-latched condition, the other section including a second control mechanism and a third control mechanism, the second control mechanism being capable of transmitting the movement of the door inside handle to the first control mechanism, the third control mechanism being capable of disabling the second control mechanism from transmitting the movement from the door inside handle to the first control mechanism. With the hinge portion, the two sections are openable to assume a substantially flat configuration thereby to facilitate the mounting of parts to the casings of them.

Abstract: A door latch mechanism includes a housing having a bolt extending outwardly therefrom, and a split sleeve extending through the housing and disposed to drive adjacent cams concentric with the sleeve to operate a retractor to retract the bolt against a biasing spring. The split sleeve receives a split spindle of a door knob assembly to rotate the sleeve and retract the bolt. A locking adapter includes a generally cylindrical housing having a chordal slot for receiving the latch housing therethrough. The cylindrical housing includes aligned apertures through which the spindle extends. A locking cam is secured in one aperture, and a lock release cam is secured in the other aperture. A lock shaft extends through the housing parallel to the axis of the apertures, and includes a boss for engaging and blocking the locking cam to lock the spindle, and a protrusion engagable by the release cam to drive the lock shaft axially to release engagement of the boss and the locking cam.

Abstract: In a deadbolt gate lock having an elongated casing, a manually reciprocal deadbolt mounted within the casing and projectable therefrom, an actuator pin connected to the deadbolt and extending outwardly through an elongated slot in the casing, and a push button plunger lock mounted within the casing having a spring bolt retainingly engageable within the deadbolt for securing the deadbolt in a projected position; the improvement which comprises a pair of spaced aligned spacer blocks snugly nested and retained within the casing, having aligned bores guidably receiving the deadbolt, the blocks retainingly engaging the plunger lock. A removable set screw on the plunger normally prevents its removal from the plunger lock, the casing having an access opening in registry with the set screw when the plunger lock is unlocked.

Abstract: A latch mechanism is provided in which one of two different backset distances is facilitated in a single latch assembly. A latch slide which is used to retract the latch bolt of the assembly is provided with a removable latch slide extension which determines the distance from the face plate of the assembly to the center of the actuating assembly. The latch slide and bolt are carried within a latch case or housing which includes slots formed therein. The actuating assembly includes jaws which fit into the slots in order to fix the position of the latch assembly with respect to the actuating assembly upon final installation of the mechanism into the door.

Abstract: This automobile locking apparatus includes a one-piece, molded, plastic body having a pivotal door latch and associated ratchet pivotally mounted in a recess in one side thereof and a cooperating release lever and locking lever pivotally mounted, respectively, on a pair of integral sleeves which project from the opposite side of said body coaxially of the pivot axes of said latch and ratchet. A link which interconnects the release and locking levers, respectively, is engageable with a pin on the ratchet to prevent the locking lever to be swung into a locking position except which the release lever has been swung to a door-opening position.

Abstract: A door is locked in the closed position by a system of five bolts which can be simultaneously operated from either side of the door by a handle or key operator. Both the handle and key operator are common to all of the bolts in the system and are connected through a rotary camming device with a linkage including parts drivingly connected with the bolts. A lost motion connection is provided between the key operator and rotary camming device to enable complete rotation and withdrawal of the key. The linkage and bolts are protectively enclosed inside of tough conduits and linkage access housings. A safety bolt immobilizing device is provided on the door adjacent to one bolt of the locking system to block the extension of the bolts while the door is open and this device moves automatically to a bolt release position when the door is closed. The locking system can be placed in a residential door or may be installed on a commercial door.

Abstract: Disclosed is a lid lock structure for a hinged lid of a recess which is made in a car body to conceal a fueling port. The lid lock structure includes a latch housing containing a bolt and having a plate spring at its head. The bolt catches a catch leg extending from the back of the hinged lid when closed, whereas the plate spring is yieldingly bent to constantly apply pressure to the lid while it is closed. When the bolt is retracted, the lid is unlatched to snap open. The built-in spring structure facilitates assembly work.

Abstract: A device for keeping a door, a window, a shutter, etc., in a closed position. The device comprises operating elements housed in a casing attachable to a bar. The operating elements are connected to an element maneuvering at least one bolt.A lock part of the device is formed as an insert of a predetermined dimension having a lock of an optional lock type therein and arranged for being inserted directly into the housing within a space of a corresponding dimension.

Abstract: An improved door lock cover of a type including a centrally disposed web and a pair of side plates. The web has a generally rectangular medially disposed opening to accommodate the normally exposed end plate forming a part of a door lock. Extending into the opening at the sides thereof, there are a pair of longitudinally oriented curved flanges forming channels. An extruded plate underlies the opening and has corresponding flanges engaging the channels, the ends of the plate contacting the transverse sides of the opening which may also be bordered by flanges. The transverse sides of the opening are also provided with tab-like extensions which are bendable to engage a rear surface of the plate and retain it in position. In a second embodiment, the tabs are substituted by screw fasteners which penetrate the web and engage ends of a slightly longer plate. In a third form, the tabs and screws are substituted by an epoxy adhesive.

Abstract: A door repair device utilizes a generally rectangular U-shaped member adapted to enclose and engage the edge of a door proximate the latch and door handle location. The door latch mechanism is mounted on the saddle portion of the U-shaped member with a latch plate sandwiched between the door latch mechanism and the inside surface of the saddle portion. A tubular extension member is combined with a machine screw and fastener member to provide a means for countersinking the head of the fastener making it flush with the outside surface of the generally flat saddle portion of the U-shaped member.

Abstract: An extended latch tube housing comprises a standard deep-drawn tubular shell having a front mounting flange and rear end wall, and a coaxial second deep-drawn shell of equal diameter with its end wall fixed to the end wall of the standard shell. The standard shell of the extended housing contains a conventional latch bolt and deadlocking mechansim, and this is actuated by tailpiece means which extends to the rear of the extended housing for connection with the retractor of a cylinder lock chassis. The rear of the extended housing carries ears for connection with such chassis, preferably as part of a back plate which also locates and guides the tailpiece means. With a short housing extension, the tailpiece means may be a lengthened standard tailpiece. With a longer extension, the standard front shell assembly includes a standard tailpiece, and a second standard tailpiece member is attached thereto by a rotatably engaged connector.

Abstract: A tool-operated flush-mounted slam latch for a hinged door or panel comprises a slide, a cover, a cam connected to the cover, and a biasing spring for urging the slide forwardly toward a latching position. The slide is retracted to door-opening position by using a tool to operate the cam. The latch is quickly installed in a rectangular hole pre-punched in the door without use of any fastening means by merely pulling the slide rearwardly to a retracted position which is rearwardly beyond that to which the tool-operated cam is capable of retracting the slide. When installed, the cover of the latch is substantially flush with the outer surface of the door.

Abstract: A bolt unit for providing different amounts of backset has a bolt housing detachably joined to any one of several subframes made up of pairs of identical side plates of different length. A bolt, reciprocable in the housing, is actuated by mechanism supported on the subframe, that mechanism including one of a selection of hooks of different lengths corresponding to the different backset lengths.

Abstract: An improved and simplified lock housing assembly for positioning and retaining lock or latch assemblies in cutouts in glass doors provided for that purpose which, outside of standard components such as screws, uses extrusion produced components so that the requirement for heavy machining and complex manual assembly is eliminated. The assembly includes a pair of spacers cut from the same extrusion which nest against an extruded elastomeric, channel shaped grommet about the cutout and position the lock assembly. The spacers are retained in the plane of the door by lengths of extruded plate which are fastened by screws to the opposite sides of the spacers and extend over upper and lower portions of the grommet. The screws and the grommet portion still exposed are in turn covered by extruded cover plates which include channels which slide over and dovetail with chamfered edges of the screw plates.

Abstract: A reinforcing device for use in hollow doors and in conjunction with a lockset. The device includes ribs for spanning the space between opposing inner surfaces of the hollow door for maintaining a predetermined spacing therebetween. Further, the device includes at least a portion for surrounding a retracting mechanism of the lockset and a portion tending to support a retractible bolt.

Abstract: A bolt is conventionally reciprocal in a stationary casing with each being formed of longitudinally telescoped parts and with the parts of each being bayonet joint connected. Each bayonet joint connection is comprised of a projection of one part selectively movable in a pair of longitudinally spaced, transverse slots separated by a longitudinal slot in the other part, whereby each may be selectively longitudinally adjusted the same determined amount for increasing or decreasing the backset distance between the forward extremities of the casing and the latch operator transverse axis the same determined amount. The transverse cross sections of certain slidably reciprocal mating parts of the bolt and casing are formed generally mutually rectangular so that rotational movements of one during the backset adjustment will positively require the same rotational movements of the other.

Abstract: A door latch construction has exterior and interior operators connected through a latch driving mechanism operable for extending a bolt from a door edge. The exterior operator includes a lock cylinder telescoped by a thickened, hardened metal guard collar with the guard collar longitudinally inwardly abutting a metal shield retaining the shield inwardly against an exterior face of the door. The shield also extends inwardly of the door interior at least partially annularly around a portion of the latch driving mechanism thereby deterring manipulation of the latch driving mechanism by penetration through the door exterior face. The lock cylinder longitudinally inwardly abuts the guard collar so that the guard collar retained between its lock cylinder abutment and its shield abutment is rotatable to deter exterior attack against the overall exterior operator.

Abstract: A lock mechanism is disclosed for use with sliding, swinging or overhead doors. A receiver is affixed to the door frame and a bolt, linkage and handle are affixed to the door. The linkage allows the bolt to engage the receiver by sliding along the receiver until it becomes latched so that the door may be closed though the handle is locked. Pulling upon the unlocked handle retracts the bolt from the receiver and also causes the door to start opening.

Abstract: A security lock for movable closure and, more particularly, for horizontal slider windows in which a case for the lock has a top wall and side walls defining a generally hollow interior opening to the bottom of the case, a bolt is movably mounted in a channel formed within the case with the channel opening toward the bottom of the case. The bolt is movable between extended and retracted positions. Structure for positioning of the bolt includes a driver associated with a manually-rotatable shaft and a connection between the driven and the bolt which functions to retain the bolt from falling out of the guide channel through the open bottom of the case during handling and shipping and to also transmit movement of the shaft to the bolt.

Abstract: An adjustable and releasable locking device for a removable vehicle roof panel is disclosed. A rotating lever longitudinally projects a pair of tapered pins which mate with apertures in the windshield post and headliner. The transverse and vertical position of the tapered pins is adjustable to position the panel relative to other parts of the vehicle and provide a smooth transition between the vehicle roof and the removable panel and provide an adequate seal between the vehicle and the removable panel.

Abstract: The present invention relates to a door handle lock and latch mechanism for a corrugated roller shutter door wherein the door handle is situated some distance up from the bottom of the door.The door handle and lock is situated in a corrugation which is open to the front face of the door and the latch mechanism is located in an adjacent corrugation(s) open to the rear face of the door. The latch mechanism attaches to the lock mechanism through an opening in either or both of the top or bottom wall of the corrugation in which the lock is situated.

Abstract: A cabinet lock has a one-piece housing with spaced front and back walls interconnected by an end wall and by a pair of spaced side walls. The housing has a first set of aligned holes formed through the front and back walls, and a second set of aligned holes formed through the side walls. A lock actuator mechanism is journaled by the first set of holes and includes an actuator movable between locked and unlocked positions. A rotary latch bolt mechanism is journaled by the second set of holes and includes a latch bolt movable between latched and unlatched positions. The lock actuator mechanism includes a first spring which biases an actuator toward its locked position. The latch bolt mechanism includes a second spring which biases the latch bolt toward its unlatched position. The lock actuator mechanism includes a cam with is interengageable with the latch bolt to retain the latch bolt in its latched position until the lock actuator is moved to its unlocked position.

Abstract: A sliding door lock apparatus is provided comprising a housing carrying a holddown tongue and a mounting bracket therefor which has a particularly sized aperture for receiving the housing in angled relation for lock apparatus assembly, and for thereafter securely retaining the housing against vertical movement in a coplanar alignment of the housing frontal portion and the mounting bracket aperture.

Abstract: A protective door shield and mounting for a lock, particularly a mortise lock or double lock, including a generally U-shaped plate that engages the swingable edge of the door in the region of the lock and a plurality of interchangeable inserts seated in openings provided in opposing side panels of the plate. Apertures in the inserts accommodate door knob shanks, lock cylinders, thumb turns and the like. The shield permits the substitution of a lock having a different arrangement of apertures without replacing the door, while it strengthens the door and provides a convenient push plate. Since the inserts are interchangeable, a standardized shield may be readily adapted for use with a wide variety of locks. The lock face plate is received by a recess in the shield and can be surrounded by a trim plate, if required.

Abstract: Latch sets must be fitted with a flat face of the latch bolt parallel to a major door face such that the bolt is correctly received in the door frame bolt recess. Latch sets comprise the handles, actuating mechanism, and latch bolt case including the bolt. Here, the latch bolt case is adapted for correct alignment of the latch bolt flat face when the latch bolt case is positioned in a latch bolt case passageway. The latch bolt case is provided with a self-retaining non-cylindrical end portion to avoid the need for recessing the door edge for a latch bolt case plate. Instead, a jig is provided for guiding the case into a retained position within the passageway in which it is a progressive force fit.

Abstract: Latching apparatus with anti-separation feature for use with closure covers, such as vehicle doors, including interlocking back plate of bolt and striker, the back plate being mounted on the door and having a flange at the outer end which engages behind the striker mounted on door frame, when in closed and latched position, and an aperture adjacent the outer end of the bolt to accommodate an outwardly extending tang on the edge of the striker which is lockingly engaged by the bolt, with a spacer between the striker and door frame to enable such engagement of striker by back plate flange, thereby assuring three-directional containment of the striker so as to prevent undesired separation of bolt from striker because of relative movements therebetween.

Abstract: A door-lock is provided with a lock-housing which accommodates a lock mechanism. The lock-housing comprises two connectable parts, of which at least one can be connected to a face plate which is provided with recesses for the dead bolt and latch bolt of the lock. The face plate comprises a U-shaped member which coacts with the end of the lock-housing facing the face plate to stiffen the lock-housing and form a combined unit which presents high resistance to forcing. The face plate and the member form a separate element which is removably connectable to the lock-housing. The lock-housing may either have a recess for receiving the member, said recess engaging around the two lock-housing parts, or, alternatively, the end of the lock-housing facing the face plate may be open; in which case the member enters the lock-housing through said opening and the two lock-housing parts engaging around the member.

Abstract: So as to mount a lock mechanism in a vehicle door at least partly of sandwich construction the door in the region of its outer side and end wall is provided with a compartment which from the end wall surface extends into the door and has one adjacent or complementary recessed portion in the outer side wall of the door. The lock mechanism is made in the form of a cassette which comprises at least two main parts, i.e. one lock house part and one adjoining control part. The cassette and the commpartment with the adjoining recessed portion are designed in such a way relative to each other that in the mounted position of the cassette the outside of its lock house part connects to and forms part of the door's outer end wall surface whereas the outside of its control part connects to and forms part of the door's outer side wall surface.