Abstract: A security device for a door frame for a fastening in a cavity a door frame cavity behind a strike plate. The device comprises a short length of flat bar to be fastened directly to an internal portion of a door frame at the height of a latch bolt receptacle so that a relatively large area of a surface of the bar provides a solid buttress support contact for the latch bolt when in the latch bolt receptacle, the bar thereby serving as a high strength, adjustable latch bolt keeper. Fasteners and holes in the bar provides for connections to the door frame, the cover-plate-and-strike, and to a safety chain as may be required.

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: Door jamb lock side apparatus and door jamb header apparatus. The lock side apparatus comprises a metal jamb member connected to a wooden lock side member substantially flush therewith. The jamb member has a protruding portion which extends into a channel in the lock side member. A passage through the jamb member and a passage through the lock side member are aligned and adapted to receive the throw of a door lock. The header apparatus comprises a metal jamb piece connected to a wooden header member substantially flush therewith. The jamb member has a protruding portion which extends into a channel in the header member. The header apparatus may be used with double doors. A method of securing a door jamb is also disclosed.

Abstract: The striker for automotive door locking apparatuses has a metal base secured to the car body and a roughly U-shaped metal rod mounted on the metal base, with the surface of the metal base and the metal rod coated with a synthetic resin layer. An engagement surface is formed at the back periphery of the metal base along the entire circumference. The synthetic resin layer is formed integral with claw portions that engage with the engagement surface of the metal base. The underside of the claw portion of the synthetic resin is flush with the back of the metal base.

Abstract: A strike plate for an entry door structure. The strike plate consists of a unitary metal member having a face portion which merges into a curved lip portion which merges into a lateral flange oriented perpendicularly to the face portion. The face portion has an upper and lower edge defining the vertical dimension thereof and a recess for receiving an outwardly-biased latch member of a door, and has mounting holes for screw members to fix the face portion on the face surface of a jamb of a frame for an entry door structure. The lateral flange has upper and lower edges defining the vertical dimension thereof. The vertical dimension of the flange is greater than the vertical dimension of the face portion. The lateral flange has mounting holes extending therethrough exclusively at locations more spaced apart vertically than the mounting holes through the face portion.

Abstract: A door lock device for a vehicle has a striker secured to the vehicle body and a lock body secured to the door. A U-shaped rod of the striker has a horizontal portion and a pair of legs extending perpendicularly from the opposite ends thereof. The horizontal portion is provided with upper and lower engagement surfaces which become narrower as one goes toward the lock body. The lock body includes a first groove, into which the horizontal portion is advanced, and a second groove, into which at least one of the legs is advanced. The upper surface of the first groove is inclined to be parallel to the upper surface of the horizontal portion. The lower surface of the first groove is provided with a slide piece which is movable in the direction of movement of the striker. The upper surface of the slide piece is inclined to be parallel to the lower engagement surface of the horizontal portion.

Abstract: A pair of bi-fold assemblies includes a lock for securing the assemblies in a closed position. The lock includes a latch bolt mounted on a panel of a first assembly, and a base plate of a second assembly includes an extending portion with an opening to receive the latch bolt.

Abstract: A motor-vehicle latch assembly comprises a locking bolt secured to a doorpost, a mounting plate secured to a door and provided with a pivot and formed therearound with a bearing surface, a locking fork formed with a pivot hole fitted over the pivot, having a side directly confronting the bearing surface, and engageable with the bolt on closing of the door, and an elastomeric cladding covering the fork including the interior of the hole in contact with the bolt and the side of the bolt in contact with the bearing surface. The cladding engages the bearing surface and eliminates play and metal-to-metal contact at this region.

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: A strengthening device for use with a deadbolt lock and includes a planar metal anchor plate having a hole with an anchor pocket welded to the plate at the hole. The anchor plate is installed between the door jamb and the framing or door stud. The anchor pocket extends into the hole in the door jamb through which the deadbolt is insertible. When the deadbolt is installed in the door, the bolt will extend into the anchor plate. In another embodiment, a metal bolt guide is inserted from the outer side of the door jamb into the anchor pocket.

Abstract: A method and apparatus for aligning a door jamb relative to a door frame and securing the jamb to the frame. A pair of frame members are secured to the hinge and knob sides of a door frame and a pair of jamb members are secured to the hinge and knob sides of a door jamb. Each frame member has a plate portion and a flange portion having a plurality of slots therethrough. Each jamb member has a plate portion and a flange portion having a plurality of threaded passages therethrough. The door jamb is positioned relative to the door frame so that the respective flange portions are adjacent to each other and the slots and threaded passages are aligned. A plurality of threaded bolts are thereafter inserted into the slots and threaded passages in substantially parallel alignment with the adjacent jamb member and the frame member plate portions, the door jamb is selectively positioned relative to the door frame, and the bolts are tightened. Cap members may thereafter be secured to adjacent frame and jamb members.

Abstract: A door security assembly comprises first and second unitary members for being secured in a door and doorjamb frame, respectively, each member comprising a flat planar plate, a flat coplanar blade and a slot therebetween, with each blade received in the slot of the other member when the door is closed.

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 with 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. 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. Presented is a door assembly incorporating a reinforcement plate for the door lock assembly, a strike plate of novel design cooperating with the door assembly to strengthen the union between the door lock assembly and the lock jamb of the door frame, and a reinforcement plate associated with one or all of the hinges to reinforce the union between the hinges and the hinge jamb.

Abstract: A door security assembly comprises a generally U-shaped striker plate member for fitting transversely around one side edge of a door frame and having a first arm for facing into the door opening having an opening for receiving a door latch, and a second, parallel arm for fitting between the door frame and the surrounding doorway in the wall. The striker plate member is secured to the doorway in the wall by means of a securing device which extends transversely through the first arm, door frame and second arm into a stud member in the surrounding doorway. Additional reinforcement may be provided by a tie plate which is secured to an outer wall surface and extends between the door frame and second arm, the securing device extending through both the striker plate member and tie plate.

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 lock for selectively locking sliding patio doors and other closures in fully closed and partially open positions and characterized by ease of installation and use.

Abstract: Security hardware for an exterior entry door in which a flat piece of metal is bent into a J-shaped door jamb mounted component and in which an aperture through which a door mounted article of hardware can project is provided in the single layer part an aligned buck pin apertures are provided in the double layer part of the component. A buck pin having a head portion and a grooved portion spaced therefrom is also provided as is a slotted retaining member that when positioned between the double layer of the component engages the grooved portion of the buck pin to prevent its removal from the buck pin apertures.

Abstract: An improved latch plate in combination with an anchor base plate designed to resist forceable entry when disposed within a doorjamb. The construction of said latch may be adapted to engage either a sliding bolt or dead bolt when disposed over the bolt recess of a doorjamb. The latch has a flat plate portion with a large opening to receive a bolt, the flat plate has anchor corner and lip end, with an anchor stem extending inwardly towards the doorjamb and perpendicularly from the inside of the flat plate at the anchor corner. The anchor stem is in bearing contact within the doorjamb recess of the door frame and protrudes through a longitudinal aperture located in the anchor base plate into the doorjamb frame. The anchor base has a plurality of apertures disposed on both sides of the longitudinal aperture and are so located to cooperately receive the screws from the latch plate.

Abstract: A security device provided for use in a door frame assembly has a door jamb disposed in surrounding relation to a door. The security device is comprised of an elongated, rigid plate inserted into a slot and firmly anchored in place in the door jamb in spaced parallel relation to the free vertical edge of the door. The plate has an opening aligned with an opening in the door jamb, and the spacing between the plate and face of the door jamb is such that a deadbolt on the door will project through the aligned openings in the door jamb and plate.

Abstract: A lock striker assembly includes a striker member fixed to a mounting bracket. Studs secured to the bracket extend outwardly through enlarged openings in a body member. Nuts and washers secure the bracket to the member and permit exterior adjustment of the bracket and striker with the closure closed and the lock latched to the striker member. A second bracket is fixed to the inner side of the body member and has a stud extending through an enlarged opening in the first bracket. A nut secures the stud of the second bracket to the first after the position of the first bracket and striker member is fixed. This provides anti-theft protection.

Abstract: An exit device primarily designed for outwardly opening doors comprises a rigid plate member having mounted thereon a latch-bolt assembly anchored to a door member and a strike assembly mounted on a door frame member in operative association with the latch-bolt assembly, wherein the plate member includes projections positioned to be on each side of the latch bolt of the latch-bolt assembly, and wherein the strike assembly includes recesses for receiving such projections. The recesses in the strike assembly are configured in relation to the projections to allow limited vertical movement of the projections within the recesses. When the device is subjected to a major force such as in a fire the projections will restrict linear growth of the frame member in the latch area by engagement of the projections, with the walls of the recesses thereby preventing excessive strain from occurring on the latch bolt which can lead to disengagement of a latch bolt from the strike.

Abstract: A security striker plate for a lock assembly upon a door hinged within a door jamb including a peripheral door stop and interior framing studs comprises a unit body of U-shape including spaced inner and outer mount plates snugly positioned upon the studs and apertured for nailing thereto. A right angular apertured strike plate extends from the inner mount plate, faces the door when closed and terminates in a right angular door stop lip nested within the door stop and door jamb. An anchor plate extends from the lip underlies the door jamb, is retained thereby and is connected to the outer mount plate.

Abstract: The device has a first piece mounted on the frame and a second piece mounted on the leaf (or vice versa). The first piece contains two horns defining two rigid bearing surfaces with a groove in between. The second piece is formed by a base mounted on a leaf (or frame), a flexible arm integral with the base and a catch tenon or latch piece integral with the free end of the flexible arm. At closing, the arm lodges automatically in the groove. The first and second pieces are each composed of two parts of which the first is secured to the frame (or leaf), this first part containing a slide-way (or slide) whereas the second part which contains the locking mechanism has at its base a slide (or cooperating slideway) adapted to the slide-way (or slide) of the first part.

Abstract: A door security device (1) consisting of a substantially trapezoidal plate (4) residing parallel to the plane of the door and an integrally formed lip (6) which is permanently affixed to door frame structural member (2). A door strike reinforcement tube (10) extends perpendicularly from plate (4) and is aligned with door lock striker (25) such that any force applied to the door (15) is resisted by the entire plate reinforcing device. A plurality of strike plate reinforcement extensions (10a) may also be used with multiple lock mechanisms.

Abstract: A striker for a locking device which is mounted either a main body or an opening and closing member such as a door or hood in an automobile by tightening bolts passing through bores of the mounting portions in a base plate and is adapted for engagement with a latch to restrict movements of the member. A thin steel or other metal plate is used to form the base plate lighten weight of the striker, and outer periphery of the bore is formed to rise at an angle within 90 to receive tightening force exerted through bearing surface of the bolt as compressive load without causing deformation of the mounting portion.

Abstract: An improved door brace. The brace includes an elongate canted arm having an upper end which interlocks with a door and a lower end contacting the floor at a point spaced away from the door. The upper end of the canted brace arm is shaped and dimensioned such that when forced entry is attempted the door is compressed into interlocking engagement with the upper end of the arm. The interlocking engagement of the upper end and the door enables the brace to more effectively resist shear forces which tend to separate the upper end of the brace arm from the door during an attempted forced entry.

Abstract: The invention comprises a combination security plate for attachment to a door edge over or in conjunction with a latch set, the security plate providing protection against incursion of a credit card or other light burglary tool directed to the latch or to destruction of the latch area of the door or door stop. The combinational aspect of the design of the invention acts to protect both sides of a door so can thus be utilized on an outwardly or inwardly opening door. The security plate of the invention may be also be attached to either a left or right opening door without modification and in combination with the use on inward and outward opening applications. In those applications where only one side of the door needs protection, the plate may be easily broken into two parts so that each part may be used, respectively, on an inward and an outward opening door.

Abstract: A striker assembly includes a reinforcement bracket having a threaded stud, a receptacle, and laterally spaced-apart opposed-facing cam shoulders. The reinforcement bracket is welded onto the vehicle body rear panel with the threaded stud at a precise vertical and transverse location determined by a locating fixture which seats against the compartment lid opening of the vehicle body. A striker bracket has the striker rod mounted thereon, an end which fits within the receptacle of the reinforcement bracket, and an aperture which fits over the threaded stud. Flanges bent from the striker bracket define cam faces which overlie the cam shoulders of the reinforcement bracket. As a nut is threaded onto the threaded stud, the striker bracket is forced into overlying engagement with the reinforcement bracket.

Abstract: A vehicle includes a side body defining an opening. A sliding door covers the opening when the sliding door is in its closed position. One of a lock frame and a lock strike is fixed to the sliding door, and the other is fixed to the side body. A device serves to prevent the lock strike from directly contacting the lock frame when the side body and the sliding door in the closed position relatively approach each other out of their normally positional relationship.

Abstract: A jamb plate used to anchor the door locking bolt member in a door lock set. The plate is securely mounted intermediate a stud and the door jamb portion itself with a reinforced striker edge provided. The fastening system for the plate operator operates to distribute applied breaking or opening stresses over a large area of the plate.

Abstract: An improved lock strike plate and security chain means are rotatably coupled within a recess within the strike plate means as well as within a recess of the door frame to which the strike plate is mounted. Means are provided within the security chain latching means to inhibit the decoupling of a security chain latched thereto when the door is placed ajar. Further means are provided for exterior key actuation of the chain latch to permit decoupling of the latch from a security chain by a person outside the secured area in an emergency situation. Orthogonal coupling means matingly engaged within the interior of the door frame itself strengthen the strike plate/chain latch assembly, reinforcing the door frame and making that frame a more integral part of the door locking assembly than has been heretofore achieved in the prior art.

Abstract: An apparatus for selectively holding a door of a vehicle in a plurality of discrete positions. The apparatus includes a rod reciprocatably disposed within a body fixedly attached to the door. The rod is insertable into a plurality of openings within a bracket fixedly attached to the cab of the vehicle.

Abstract: A security strike plate assembly comprises a strike plate that is mounted directly on the door framing by rigid bushings and mating screws. Holes are drilled through the door jamb and into the door framing a predetermined distance to form shoulders at the bottoms of the holes. The rigid bushings are closely received in the holes, and extend from the shoulders to the interior surface of the strike plate. The screws extend through mating apertures in the strike plate and the central apertures of the bushings, and into the door framing, such that selected forces applied to the strike plate are transmitted to and resisted by the door.

Abstract: An improved strike plate for mounting on a door jamb to receive the dead bolt of a door mounted lock wherein the strike plate is provided with a buck pin that is offset from the bolt receiving aperture of the plate so as to be insertable in an opening provided in the strongest part of the wall supporting structure. A hinge similarly constructed is also disclosed.

Abstract: A window includes a hollow extruded sash and a hollow extruded frame. The arrangement includes a pair of sashes which may slide up and down to permit opening the window and which may pivot horizontally to facilitate cleaning the window. In addition to the locking means generally provided at the top wall of the lower sash, locking means are provided along the side walls to provide additional stability for the arrangement while maintaining a tighter seal. The side walls include slots into which open-faced housings are snapped for receiving the locking members.

Abstract: A door locking device for a microwave oven of the present invention has an engaging member arranged inwardly of the cooking chamber of the housing. An arm is arranged at the rear surface side of a door and is biased clockwise by a spring, such that its horizontal state is kept by a stopper and the arm may be pivoted counterclockwise. A locking eccentric cam having a notched engaging portion is mounted at the distal end of the arm so as to be pivotal about a shaft. As the door is opened/closed, the notched engaging portion of the locking eccentric cam is engaged with the engaging member at the side of the housing to eccentrically pivot the locking eccentric cam, thereby locking/unlocking the door.

Abstract: A selectively removable or retractable doorstop for converting double-acting, double or single doors to a single-acting, single door, for permitting control over traffic into and out of public premises at desired times. The doorstop includes an intercept portion which can be selectively removably or retractably inserted into the path of a double-acting door thereby restricting it to opening in one direction only. Different embodiments of the doorstop are provided respectively for temporary or permanent mounting on or in a doorjamb, or on or in the stile of a temporarily fixed-in-place door, thus giving a selection of options for any specific situation.

Abstract: A lock strike plate is coupled to a door frame by orthogonal coupling means which mate within the interior of the door frame. The orthogonal coupling means not only provide the means for mounting the strike plate to the door frame, but also reinforce the door frame itself mandating the removal of a large portion of the door frame before a forced entry through a door locked and utilizing the innovative strike plate assembly of the invention can be successful.

Abstract: A door lock for sliding doors of trucks, vans and the like includes an exterior handle assembly and an interior handle assembly for actuating components carried in an interior housing assembly. The components include a pair of rotary latch bolts projecting through openings formed in opposite sides of the housing assembly. A pair of strikes are carried on spaced portions of a vehicle wall at locations on opposite sides of a vehicle access opening which is controlled by the door. The door is movable between a latched-closed position wherein one of the latch bolts latchingly engages one of the strikes to hold the door closed, and a latched-open position wherein the other of the latch bolts latchingly engages the other of the strikes to hold the door open. A thumb-operated lock control slide is carried by the housing assembly and provides one means for locking and unlocking the lock from inside the vehicle.

Abstract: A securing mechanism and method for a conventional door frame strike support structure, which substantially increases the holding strength of the strike and mounting assembly. The mechanism comprises two support members that are secured and concealed within the frame jamb structure behind the strike plate in a horizontal position parallel to the body of the strike plate, and with transverse interconnecting threaded means to adjustably secure the strike plate. The final assembly is ready to act with a high degree of mechanical resistance in direct opposition to any external force applied against the door. The strike support system is versatile, being adaptable to various existing designs of strike plates and deadbolt keeper plates and even for different levels of tensile strength.

Abstract: A locking bar assembly having a secondary safety release mechanism that includes a shaft that is removably engaged with and coupled to a strike plate cover of the locking bar assembly. The strike plate cover rigidly engages and secures in position a strike plate of the locking bar assembly. When the safety release mechanism is operated, the shaft is rotated to disengage and decouple from the strike plate cover thereby releasing the strike plate of the locking bar assembly and releasing the locking bar assembly.

Abstract: A reinforcing structure for an associated door and lock mechanism of a type having a bolt. The door abuts an elongated door stop carried on a door jamb in the closed position. A strike plate has a bolt receiving aperture therein and is dimensioned and configured to have at least portions extending into recesses in the associated elongated door stop. Screws extend through the portions for mounting the strike plate on the associated door jamb. A jamb plate is dimensioned and configured for mounting on the door stop with a first edge thereof in generally parallel relationship to a side of the strike plate and extending substantially to an edge of the door stop which abuts the associated door when in the closed position. In some forms of the invention a first reinforcement plate is disposed on at least one side of the door, surrounding means for operating the bolt, and is dimensioned and configured for extending into the recess in the jamb plate.

Abstract: A latch for a coin operated newsrack is spring mounted to the door so as to permit resilient relative movement between the latch and the door when the door is pried by vandals. During normal movement of the door, springs will retain a latch bracket in fixed position on the door.

Abstract: Improved safety device for installation on door jambs in hotels, motels and the like to prevent the use of shim-type devices for unauthorized entry into guest rooms, wherein the device comprises a right angled strip of metal, to be secured to the door jamb opposite the free end of the door when the door is in the closed position, the device having a portion adapted to lap against the outer side of the door, so as to provide maximum resistance to insertion of a shim or similar article between door and lapped portion, thus preventing penetration far enough to disengage the latch bolt from the striker plate aperture in which it is engaged in the normal, locked position.

Abstract: Apparatus for securing a strike plate (40) having a deflected tang portion (46) extending outwardly from the plane of the body portion (41) of the plate (40) to a door jamb (30) including a generally L-shaped connector member (11) having a pair of generally perpendicularly extending legs, a first of said legs (12) being arranged to engage the tang (46) on the strike plate (40) when positioned parallel to the plane of the body (41) of the strike plate, a portion (15) of the second leg (14) being deflected to extend away from the plane of the body of the strike plate to position the second leg (14) in a plane spaced from the plane of the first leg (12). A rod (16) is secured to the outer extremity of the first leg (12) by a hinge pin (18) such that the rod and the second leg on the connector member lie in a common plane. Anchor nuts (20) on rod (16 ) and on the second leg (14) are provided for attachment of the connector to a door jamb.

Abstract: A panic exit door locking mechanism in which a manually operable panic exit actuator device is mountable on the inside face of a hinged door having a tubular narrow stile frame along its swinging edge; top and bottom adjustable bolt mechanisms at the upper and lower ends of the frame are connected by length-adjustable rod structures, concealed in the narrow stile frame, with a pair of gear connected actuating levers that are operable by means of a drive shaft having a slip-joint connection with an actuating shaft of the panic exit device. The top bolt mechanism includes a keeper secured to an exposed wall of a door frame header by screw actuated inner and outer clamping members. A latching member carried by the door is movable into a keeper latching position when the door is closed, and to a keeper non-latching position when the door is opened. The top bolt is utilized to dog the latch in its keeper latching position.

Abstract: This stop device fixed to the floor, for securing a door in cooperation with a floor bolt, particularly when the door is in its normal closed position, is characterized in that it comprises, on the one hand, a stop element having a front part provided with a projection forming a stop for the door and a rear part situated substantially at floor level, in which is formed a bore for receiving the free end of the floor bolt when the door is secured against the projection and, on the other hand, a recess formed in the floor, whose entrance is closed partly by the stop element and partly by at least one removable cover situated substantially in the same plane as the stop element.

Abstract: A lock strike construction is for use with a wall having at least a cripple in the framing thereof and adjacent to a door casing side rail separated from the cripple by an intervening space. A door panel cooperates with the casing and has a lock with a bolt engageable with a strike on the door casing in a deeply recessed mortise. A planar elongated plate, symmetrical about a vertical axis, is in the mortise. An elongated bolt opening and a pair of screw clearance holes go through the planar plate on the axis. Also in the planar plate is a pair of screw rod holes, both disposed on one side of the axis. These receive a pair of screw rods extending through the intervening space and into the cripple as cantilever beams. The usual strike plate overlies the planar plate, its bolt opening registering with the bolt opening in the plate and its screw openings substantially registering with the screw clearance holes.