Abstract: A door handle assembly for attachment to a door panel includes a handle housing and a door handle. The handle and housing include self-locking snap-together pivot connection portions for connecting the handle pivotally to the housing. A torsion spring continuously biases the handle toward the housing.

Abstract: A handle assembly, comprising a release handle mounted within a recess of the handle housing, is adapted for installation in a vehicle door panel aperture from the exterior thereof. The housing is formed with a terminal flange provided with an upper omitted segment extending longitudinally between a pair of upright handle support brackets. An elongated retaining rib is formed between the brackets having an outboard face offset a predetermined dimension inboard from the plane of the terminal flange backside. The housing is mounted in the panel aperture in a rocked-in manner with its terminal flange overlying the aperture recessed flanged border while the retaining rib face locates to the inboard surface of the flanged border. The housing central body has an inboard projecting stem adapted to support a clip whereby the clip, when fixed to the stem by a fastener, locks the handle assembly in the panel aperture.

Abstract: An electromagnetic lock comprised of an electromagnetic core fastened inside a casing to hold a coil unit in the grooves thereon, said casing being secured to a door frame or jamb, a armature plate connected to a door, and a control circuit to connect a power supply to said coil unit causing it to be energized for locking up with said armature plate, or to disconnect said power supply from said coil unit permitting said electromagnetic core to unlock from said armature plate.

Abstract: A handle housing intended for attachment on a vehicle door panel is of injection molded plastic construction and has a base adapted to engage against the surface of the door panel. The housing carries at least one anchor leg, and preferably several, which project from the base and extend through registering apertures provided in the panel. Each of these anchor legs has a foot at the end thereof which is adapted to engage and underlie the underside of the panel when the housing is slid longitudinally along the surface so that the foot will engage with the underside of the housing and thereby prevent the housing from being pulled away from the panel. The housing also has a plurality of locking legs projecting from the base and extending through registering openings in the panel.

Abstract: A check rail lock including a housing with a pivot opening, a handle having a pivot shaft extending through the pivot opening, the handle being disposed over the housing when operably pivoted between locking and unlocking positions, and a cam secured to the pivot shaft beneath the housing with a post extending toward the housing. A C-shaped spring mounted to the housing between the housing and the cam has shoulders which (1) allow the spring to flex outwardly to allow passage of the post past one of the shoulders when pivoting the handle from a painting position extending away from the housing to either operational locking or unlocking position and (2) stop the handle from being pivoted beyond the locking or unlocking positions to the painting position. Recesses in the spring adjacent the shoulders positively indicate when the lock is in either the locked or unlocked positions.

Abstract: An armature assembly for use with an electromagnetic door holder has a ball stud pivotably connected at one end to a mounting bracket and at the other end to an armature plate. The mounting bracket is mounted on a first structural member, a mounting body is secured to the bracket and connects with the ball stud, and the armature plate coacts with and is held against an electromagnet which is mounted on a second structural member. The pivotable attachments at both ends of the ball stud provide an almost universal adjustability to the armature assembly and, thus, accomodate complex misalignments between the first and second structural surfaces.

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 tension clamp for releasably joining two components. The clamp is anchored on a first component 10 by a mounting element 18 and is hooked onto the second component 11. The mounting element 18 is inserted under resilient bias into securing elements 17 on the first component, and has a resilient portion which produces the tension forces for joining the two components 10 and 11. The locking hook 20, which hooks onto the second component 11, is connected to the mounting element 18 by an intermediate link 19 and is preferably a plastic injection molding.

Abstract: An apparatus for locking doors and gates is disclosed. The apparatus generally comprises a housing containing a permanent magnet and an electromagnet for locking and unlocking the door or gate and contact means on the door or gate for engaging the permanent magnet in order to lock the door or gate. The electromagnet, when energized, has a magnetic field opposing the magnetic field of the permanent magnet to magnetically disengage the permanent magnet from the contact means.

Abstract: This invention relates to a door latch for use with a soft-sided door closure in a door opening of a utility vehicle. The latch includes an elongated cup-shaped housing having a back wall, side walls extending forwardly from the back wall and a laterally extending flange extending outwardly around the periphery of the side walls generally parallel to the back wall. The flange includes means for attaching the housing to the door closure and the back wall has a circular opening adjacent one end thereof. An outside door handle member is sized to fit within the length of the housing and has a lever arm formed integrally with a cylindrical body at one end thereof. A sleeve connected to the cylindrical body is extendable through and pivotal in the circular opening. An inside elongated handle member has a length greater than the length of the housing with a handle arm which extends beyond the housing in a forward direction and an offset flange at the opposite end with a releasable locking means formed therein.

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 self attaching strike plate (20) with removable anchor teeth (34) for doors (46) with spring bolt latches (54). The anchor teeth (34) by repeatedly bending can be completely removed. Adaptable to a variety of door conditions including wood to metal door jambs (60). Easily installed and removed by tapping surface plate (22) and removed by prying off. Adhesive (44) may be substituted for screws (32).

Abstract: A door handle device includes: a restoring device mounted on a washer secured to a door, a spindle laterally adjustably mounted in the restoring device, and a lever handle having a handle sleeve fixed on an outer end portion of the spindle rotatably driving the spindle for operating a latch bolt for opening the door, in that the restoring device is provided for restoring the lever handle once depressed by a door opener and for adjustably securing the spindle on the device with respect to a door thickness in order for a connection of the spindle to a latch bolt mechanism operatively retracting or extending the latch bolt. The spindle is directly secured to the door handle so that a handle sleeve formed on a central portion of the door handle may be made as slim as possible.

Abstract: A shoe for slidably and rotatably mounting a door latch control rod on a vehicle door includes a molded plastic body rotatably mounted on the door and having a slot formed therein for receiving the rod. The slot is defined by first and second conical converging walls projecting into the plastic body and intersecting one another to define a C-shaped edge circumjacently engaging the rod in slip fitting rattle free relationship therewith so that the rod may slide through the shoe upon operation of the door control rod by the occupant.

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: In a door arrester for motor vehicle doors, including a retainer housing fastened at a door arrangement part, door or door post, and a door holding rod fastened at the other door arrangement part pivotable around an axis parallel to the door hinge axis, where a snap-in member arranged in the retainer housing is configured as a rocking lever and is on one side loaded by a pressure spring designed as a spiral spring and on another side cooperates by way of a snap-in roller with the door holding rod, wherein the rocking lever carrying the snap-in roller is supported in the retainer housing so as to be pivotable around an axis parallel to the door hinge axis and cooperates with the door holding rod through a backup snap-in roller supported at the door holding rod around an axis also parallel to the door hinge axis, in order to achieve uniformly high and smoothly applied braking and holding forces in both directions of motion of the door, a constrained guidance curved in an arc-shaped manner is configured at the r

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 latch mechanism including a panel with structure on the panel movably mounting a trigger element and a striker element. The striker element is biased by a spring to an extended position where a latching end portion in the striker element extends beyond the panel. A cam in the trigger element engages a follower on the striker element to shift the striker element to a retracted position with movement of the trigger element.

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 mounting pad for a lock cylinder provides a plurality of bosses which protrude interior of a door stile, the bosses having inclined threaded bores which hold set screws, the set screws are accessed laterally through an access opening on the side wall of the stile, the set screws are progressed outwardly of the bosses to press against an inside wall of the stile, thus clamping the mounting pad to the door stile. The mounting pad holds a lock cylinder inside an annular lock collar by use of a lock ring. The lock cylinder communicates to mechanical means residing interior of the door stile to effectuate latching of the door with a key. The access opening for insertion of a tool such as an Allan wrench to progress the set screws is located on an interior side wall of the door stile such that when the door is completely assembled, the access opening is covered either by an interior door panel, or other door structures such as a panic exit device or panic bar.

Abstract: An electromagnetic shear lock comprising an electromagnet assembly adapted to be mounted to a doorway and an armature assembly adapted to be mounted to a door in a position to be attracted to the electromagnet, the electromagnet comprises an elongated core of E-shape in cross section with an energizing coil positioned about the middle leg of said E-shaped core and between the outer legs of said E-shaped core. The electromagnet assembly in one embodiment has projections on either side and at both ends thereof extending beyond the surfaces of the core. An armature member has a generally rectangular surface adapted to be mounted to a door and positioned to be attracted by the electromagnet, the armature is relieved at the corners thereof whereby when the armature is attracted to the electromagnet the projections on the extension members extend into the relieved portions of the armature.

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: A combination latch and handle which comprises an L-shaped piece of deformable plastic material having a pocket intermediate two locking protrutions. The pocket, which holds a spring metal clip, fits into a slot on the edge of a piece of sheet metal. The locking protrusions pass through openings on either side of the slot to lock the latch and handle into place securely as the forces to install same are at right angles to the forces to engage or disengage the latching mechanism. The spring metal clip is designed to co-act with a pin on a mating piece of sheet metal.

Abstract: A door striker assembly for mounting in a vehicle door receiving aperture for engagement with a vehicle door latch. The striker has a bracket adapted to be mounted in the door aperture. The bracket has two sections joined together at an angle, and a generally L-shaped rod extends between the bracket sections. The ends of the rod are rigidly joined to the bracket sections. The base area joining the bracket sections has a width between about 2.5 to about 7.5 times the diameter of the rod. The rod is adapted to be engaged by the vehicle door latch mechanism. The bracket, rod, and a revetment cooperate to form a rigid assembly. The assembly prevents vehicle door parts from being trapped by the door striker during a collision, which improves vehicle safety by minimizing the possibility of the vehicle door being jammed shut.

Abstract: A latch is disclosed which is both rugged and economical. The latch includes a flanged housing which acts as a bushing for a journal portion of an operator. The operator includes a narrowed and recessed handle portion. At the inner end of the operator, a generally planar striker is placed to the interior of a door to interact with the frame. The striker rotates with respect to the housing and is limited in rotation by a stop which interacts with the housing. The striker is secured to the operator by connector means to prevent relative movement between them. The housing is fixed to the door by securement means which draws the flange of the housing against the exterior of the door.

Abstract: A latch assembly includes a housing for inserting through an opening or breach in a door panel and secured to the panel by a retaining cage. In the preferred embodiment, the housing and the breach will have the same cross-sectional square shape. A retaining cage includes a retainer plate and a plurality of supporting legs and substantially surrounds the housing when the assembly is mounted on a door panel. At each cornering edge of the housing, a depression is formed for receiving a retainer extension formed at the end of each supporting leg. Each supporting leg also includes a support claw or tip which, in the mounted position, engages a surface of the door panel and pierces any non-conductive coating thereon so that the rotary bar handle and the other parts of the assembly may be electrically grounded. The cooperative configuration of the housing and the retaining cage permits mounting of the assembly in one of four positions.

Abstract: A striker assembly includes a striker member fixed to mounting bracket. Studs secured to the bracket extend outwardly through enlarged openings in the body member. Nuts and washers secure the brackets to the member and permit exterior adjustment of the bracket and striker with the closure closed and latched to the striker member. Anti-theft means in the form of a round convex headed stud which extends through aligned openings in the body panel and the support bracket. A nut secures the round headed stud to the second bracket and with the stud clampingly engaging the exterior side of the body panel so that it cannot be removed by any tool.

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 retention plate assembly for fixedly retaining a lock in a door. The lock is adapted to be mountable onto the retention plate assembly. The door for mounting the retention plate assembly has a bore defining an edge from which extends a pair of slots opposite to each other. A pair of holes are disposed adjacent to the bore. The retention plate assembly comprises a retention plate and a pair of bolts. The retention plate has a pair of tangential tabs, a pair of radial tabs and a pair of threaded through-holes. When the retention plate assembly is mounted onto the bore of the door, the tangential tabs bear against the edge of said bore and the radial tabs fit snugly within the slots of the door. The pair of bolts each have a threaded end of reduced diameter with respect to the diameter of the bolt. The bolt also has another end manipulatable for releasably engaging its threaded end to the threaded through-hole of the retention plate.

Abstract: One-piece latches or door-retenting devices of elastomeric material of specified parameters, are constructed for disposition in the surface of a door or other supporting panel so that at least one lip projects outwardly from the edge or surface in elastically deformable relation to engage a striker bar or surface. A first type includes and elongated lip projecting or depending from one edge, the inner surface of the lip forming a slot which just accommodates the striker bar upon closure of the latch, the adjacent outer surface of the lip projecting in angular relation to the slot providing resilient latching action against the striker bar when the latch is opened or closed. Latch shapes of this type include "D" shape, "C" shape, round, square, polygonal and line configurations. A second type comprises a bellows-like latching member closed at one end with a protuberance in the form of an elastomeric bulb which is constructed to be elastically deformed by the striker bar or latching surface.

Abstract: A readily detachable fastener for mounting upon an enclosure, the fastener having a base member with channeled edge portions designed to slidably engage the enclosure upon which it is mounted. A connector pin extends outwardly from the base member, and is designed to releasably lock into a pin receiving hole of the enclosure such that the detachable fastener may be attached or removed from the enclosure, as desired. A latch is pivotally connected to the base member, and carries a bail which catches on the cover of the enclosure when the latch is pivoted to an open position. The latch may then be pivoted to a closed position, thereby tightly securing the cover to the enclosure. The base member and latch are constructed with openings therethrough so as to accommodate locking the same together with a conventional lock.

Abstract: An electromagnetic lock including an armature and an electromagnet with the armature adapted for floating attachment to a door by a plunger-bolt assembly fixed to the door, and an electromagnet adapted for fixed attachment to a door frame. A door-movement alert switch structure comprising a pushbutton switch supported on the electromagnet, a plunger supported on the plunger-bolt assembly, and a spring force-biasing the plunger into mating contact with the switch when the door is electromagnetically locked to establish a first switch-actuation state. The force-biased spring maintains the switch in its first state while the armature is magnetically restrained. When the door is opened a door-movement distance slightly less than the armature float distance, the plunger is partially drawn into a plunger housing fixed on the plunger-bolt assembly. The switch responds by transferring to a second switch actuation state indicating an attempt to open the magnetically locked door.

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: The apparatus for mounting the outer door handle assembly to the automotive door according to the invention comprises: an outer handle body consisting of an engagement projection, an engagement surface, and a flange; and a mounting fitting consisting of an engagement portion for engagement with the engagement projection, a rotatable engagement claw for engagement with the engagement surface, and a projection edge.The outer handle body is inserted from outside into the mounting opening in the outer plate of the door; the engagement portion of the mounting fitting is engaged from inside the door with the engagement projection; and the engagement claw is rotated to engage with the engagement surface. As a result the outer plate of the door is tightly clamped by the flange and the projection edge, thus permitting the outer door handle assembly to be securely mounted to the door without the use of bolts and nuts.

Abstract: A vehicle door outside handle housing is mounted in a door panel rectangular opening such that the housing peripheral lip flange portion is in flush contact with the panel outboard surface with the housing main portion inserted in the panel opening. A central hub extends inboard from the housing main portion with its principal axis aligned on the geometric center of the opening. The hub is formed with an external thread for engagement by the internally threaded lead-in collar portion of a piloted nut. A bent spring rod retainer in its unrestrained state is assembled between the inboard surface of the panel and the undersurface of the nut driving head. The spring rod retainer includes a looped central eye formation defining a semi-circular eyelet that is self-aligned on the hub axis and telescopically receives the nut collar. Upon threaded engagement the piloted nut captures the retainer and the housing in the panel opening.

Abstract: A lock assembly comprising an L-shaped member (30) (120) having a first plate (32) (124) and a second plate (34) (122). Secured within the L-shaped member is a solid block core (50) (140) with openings (54) (64) (74) (90) (146) for receiving portions of lock hardware.

Abstract: Disclosed is a means to provide easily installed and accurately aligned lever spring cage for door hardware locks and latches by in the field installers. The device comprises a pair of posts, selectively arranged and mounted in a mounting plate, having four diagonally arranged key hole shaped bosses which accept the pins and in combination with accurate holes in the spring cage effect both the securing and alignment of the spring cage relative to the mounting plate.

Abstract: A vehicle door handle assembly comprises a handle pivotally connected to a base plate. The handle assembly is connected to a door sub-assembly by screws. The handle comprises a button which when depressed enables a restraint to be drawn into an operative position by a screw extending through the shut face of the door. When released, the button is locked in position by the restraint and prevents access to the screw. This screw, when removed permits the handle and plate to be pivoted away from one another to reveal another screw which may then be removed to remove the handle assembly from the door. The handle assembly can therefore be removed from the door from externally of the door but only when the door is open thus facilitating painting and maintenance.

Abstract: A latch is disclosed which is both rugged and economical. The latch includes a flanged housing which acts as a bushing for a journal portion of an operator. The operator includes a narrowed and recessed handle portion. At the inner end of the operator, a generally planar striker is placed to the interior of a door to interact with the frame. The striker rotates with respect to the housing and is limited in rotation by a stop which interacts with the housing. The striker is fixed to the operator by connector means to prevent relative movement between them. The housing is secured to the door by securement means which draws the flange of the housing against the exterior of the door.

Abstract: A ring to be worn as an article of jewelry about a portion of a body of a person has pivotally mounted, first and second arcuate sections movable between opened and closed positions. A substantially T-shaped recess is provided in the first arcuate section. This recess extends along a portion of the arc of the first arcuate section and includes an outer head portion of a wider transverse dimension than an inner stem portion. The head and stem portions of the recess are joined through upwardly facing, transversely extending supporting surfaces. The recess further has an open free end, and the stem portion of the recess includes an opening along the arcuate inner surface of the first arcuate section for communicating with the interior of the ring. The second arcuate section has an inner surface and a rigid male extending male member projecting therefrom.

Abstract: A doorjamb strike plate reinforcing device to provide increased holding strength and, therefore, security to bolted doors and similar closures. A reinforcing device is provided having a rigid body configured for cooperating with a strike plate to laterally restrain a bolt received by the strike plate. Integral to the body of the device is fastening means for fastening a fastener thereto to secure the device to the doorjamb. The fastening means is configured for receiving a fastener from a direction above the device and for guiding the passage of the fastener into the doorjamb in a direction which is at an angle of less than 25 degrees to the plane defined by the strike plate and, preferably not greater than 10 degrees so as to provide for the anchoring of the device and strike plate in a direction which is substantially parallel to the line of force which would be exerted thereon during an attempt to forcefully open a bolted door.

Abstract: In the connecting apparatus of this invention for coupling the handle and the locking device, the connector rotatably mounted on the handle or the locking device has a pair of oppositely directed hooks with a gap therebetween. The hooks have a first raised or recessed surface such as threaded grooves on their inner surfaces. The rod has formed on one end a second raised or recessed surface for engagement with the first raised or recessed surface on the hooks. These raised or recessed surfaces of the hooks and the rod can easily be engaged by first putting the second raised or recessed surface of the rod in the gap of the connector and turning the connector by 90.degree..

Abstract: A door latch assembly for a door in which the latch assembly has a member which is transparent or translucent to allow light to pass therethrough and being operable to support a door knob structure.

Abstract: A swivel mounted armature plate for use with an electromagnetic door holder features a spherical socket connection to an adjusting screw which may be secured in any combination of depth and rotation within its operating range.

Abstract: In a wing frame 1 for windows, doors, or the like, composed of metal or plastics profiles, the actuation gear assembly 10 for a connecting rod 9 is so housed that adjacent an undercut profiled guide channel 5 for the connecting rod 9, an installation space is required which corresponds to only a fraction of the maximal cross-sectional height 23 of the gear housing 13. For this purpose the bottom 8 of the guide channel 5 is provided with a perforation 27 through which can be passed the first housing section 15, which stores the pinion 14 of the actuation gear assembly 10.

Abstract: A door security hardware system for existing construction that provides a hardware connection between a striker plate that is connected to a wooden door jamb and a chain that is connected to a wall adjacent the wooden door jamb with the chain connected by hardware to the door handle and door catch that is insertable into the striker plate. The system includes a door chain anchor connected to the chain. The system also includes a relatively long interconnecting wall member connected by hardware to and between the striker plate and the door chain anchor and through a substantial portion of an inner portion of the wall.

Abstract: One of the most popular ways of gaining access to a locked premise is through forced entry of a door assembly. Presented is a door assembly incorporating a system of components cooperating in a door assembly to increase resistance to forced entry through such door assembly. Forced entry is generally defined as being an unauthorized entry accomplished by the use of force upon the physical components of the premises, generally doors and windows, and usually exterior entry doors. Such forced entry usually takes the form of battering on the door adjacent to the door lock assembly, or adjacent to the center hinge of the door, usually applied by one or more solid kicks delivered to the door.

Abstract: A concealed cam lock and keeper both of which can be mounted within cavities in the check rails of the respective lower and upper sash of a double hung window. The concealed cam lock has only an exposed handle with a raised section of the housing closing off a notch required for assembly of the housing with the check rail. The handle of the check rail lock has an offset to cover any wood splintering that may have occurred in the check rail of the lower sash in forming the check rail for receiving the housing of the check rail lock.The keeper is mountable in a cavity in the check rail of the upper sash at a location to permit mounting of weather stripping therebeneath and generally at the level of the lower edge of the window glazing and has downwardly inclined openings to receive fasteners for attaching the keeper to the check rail and which can extend into the check rail without interference with the glazing.