Abstract: A motor-vehicle door has generally upright inside and outside panels, a window frame above the panels, a track extending vertically between the panels into the frame, and a window glass vertically displaceable in the track between the panels. A latch assembly has a holder, an outside door handle in the holder, a door latch on an edge of the door between the panels, a connecting housing between the panels and having a U-section lower part fixed to the door latch and an upper part fixed to and carrying the holder for the outside handle with the handle on the outside door panel, and a link rod extending between the outside door handle and the door latch and laterally enclosed by the U-section lower part.

Abstract: A door reinforcement system for closing an aperture in a side of a body of a pick-up truck includes a first door and a second door pivotally connected to the body and joined pillarlessly between an open position and a closed position, a vertical reinforcement beam disposed within one of the first door and the second door, and a door latch striker connected directly to the vertical reinforcement beam and a door latch connected to the other one of the first door and the second door to engage the door latch striker to resist inward movement of the first door and second door from the closed position with respect to the body of the pick-up truck.

Abstract: A refrigerator door includes walls forming therebetween a space that is filled with foam insulation. A door-locking device is mounted in the space and is covered by a shield which shields the door-locking device from the foam when the foam is being injected into the space. The shield includes a mounting edge facing one of the walls and forming a slight gap therewith into which the foam can travel. The edge includes a channel which forms an enlargement in the gap that ensures that the incoming foam hardens before reaching the interior of the shield and damaging the door-locking device.

Abstract: A shielding panel for shielding circuit card slots on a computer chassis, and particularly a shielding panel for use with printed circuit board brackets and/or blank brackets to shield circuit card slots provides an arrangement for reducing the leakage of electromagnetic waves and/or radio frequency waves through a computer chassis by providing protrusions around circuit card slots in the slot frame. The design of the present shielding panel includes a tab which wraps around an edge of the circuit card slot to help place and hold the shielding panel in position while substantially eliminating the potential interference between neighboring panels and/or panels and neighboring slots and inhibits the formation of a gap between the shielding panel and the computer chassis slot frame, therefore, substantially eliminating the chance of a bracket tip catching in such a gap.

Abstract: A door according to this invention is formed from two rectangular compression molded skins with each skin having inside surface and an outside surface and on its inside surface a plurality of projecting, parallel ribs along at least two of its edges, a hinge support having a plurality of grooves on its opposite sides with the grooves operable to interlock with the ribs of the skins along one side of the door when the skins are assembled with this support and an accessory support having a plurality of grooves on its opposite sides operable to interlock the ribs of the skins along the other side of the door when the skins are assembled therewith whereby no frame is required for the door when a foamed in place polyurethane core is formed between the skins. The door used interlocking members at its side and top edges and a preformed bottom panel or insert.

Abstract: A sheet molded compound (SMC) which is a fiberglass reinforced composite material, produced in a sheet format, for forming a door, is disclosed. The material includes strands of oriented chopped fiberglass in combination with a resin, filler paste, and desirably an inert material such as talc in concentrations to and including up to approximately 40% of the composition. The SMC is subjected to matched molding, male and female, into a configuration in which one-half includes the window recess, a track for the same, the track being conformed by virtue of an offset for a screen as well. The entire door, is subsequently filled with foam to secure the two halves together. A closer recess, pocket for a lock, and screen and window mounting means are also disclosed.

Abstract: A motor-vehicle door has an outer skin and an inner skin fixed to the outer skin, forming therewith a cavity, and formed with a cutout. A mechanism holder is releasably secured in the cavity at the cutout. A latch is secured by a horizontally effective slide mount on the holder and can move via the mount horizontally on the holder and be fixed on the holder in any of a plurality of horizontally offset positions thereon. A detent engaged between the slide mount and the latch releasably secures the latch in one of the positions. The slide mount includes a pair of interfitting and horizontally extending rails respectively fixed to the holder and to the latch.

Abstract: A gate which hingedly fits closely between two spaced apart fence posts is provided. The gate has a hinge side member which extends directly adjacent a fence post. The hinge side member includes offset portions, each of which is displaced from the respective fence post by a gap. A hinge extends from the fence post across the gap of each offset portion to hingedly couple the gate to the fence post. The gate also has a latch side member which may be removably secured about another fence post. A sleeve having a gate latch coupled thereto is rotatably coupled about the latch member. The latch member has a slot extending therethrough and the sleeve has a notch extending therethrough. The sleeve may be rotated to a locking position on the latch side member where the notch is located over a portion at the slot. A rod extends inside of the latch side member. The rod has a cap end and a hooked end. The hooked end of the rod may be adjusted in the slot and notch by moving the cap end.

Abstract: A wooden panel door reinforced against attempted break-in contains layers of fiberglass mat and decorative wooden facing strip bonded to the doorjamb and stiles. The stiles and doorjamb are constructed from wood with grain that runs primarily in a single direction, and reinforcing these stiles and doorjambs against impact can be achieved by bonding to them a fiberglass mat, which contains fibers running in transverse directions. The fiberglass mat is in turn covered by a decorative wooden facing strip layer.

Abstract: A vehicle door assembly including an outer contoured panel, an inner contoured panel, the panels being connected at their side and bottom edges, and a glass and regulator track assembly adapted to being assembled through the adjacent upper edges of the panels into the space between the panels and secured to the inner panel. A majority of the inner trim is molded integrally as the surface of the inner panel, with a separately applied trim element secured to the upper edge portion of the inner panel, and an arm rest secured to the inner panel at a central portion thereof. A side impact beam extends longitudinally between the outer and inner panels, and includes a longitudinally oriented mounting plate at its forward end and a laterally oriented mounting plate at its rear end for mounting on the inner panel.

Abstract: A mechanical linking system includes a slidably supported guided link interposed between two operable rods. The operable rods are connected to an operator device and an operated device. A mechanical transfer is effected through the rods and guided link between the operator and the operated device.

Abstract: A motor vehicle door includes a hollow door body having a pair of vertically spaced hinges mounted on an end thereof. The hinges are mounted on a motor vehicle body for openably closing the door body over a door opening in the motor vehicle body. The motor vehicle door also has a lock mounted on an opposite end of the door body, and a substantially triangular truss fixedly housed in the door body and connected between the hinges and the lock. The substantially triangular truss comprises a vertical beam connected to the hinges and a pair of vertically spaced upper and lower cross beams joined at respective ends thereof to the vertical beam near the hinges, respectively, and joined at respective opposite ends thereof to the lock.

Abstract: A motor vehicle door is secured by hinges to a supporting member of a vehicle frame. The door itself has a supporting door frame into which functional door components are installed, and a door outer skin that includes skin components for securing the skin to the door frame. The door frame with its installed functional door components forms a first modular unit. The skin with its components forms a second modular unit. These modular units are releasably secured to one or more door hinge sections independently of each other for independent assembly and repair operations.

Abstract: An improved latch guarded door lock and frame system is provided. A recessed surface is provided in a hollow metal frame, and is dimensioned to accommodate a latch guard so that the external surfaces of the door, frame and latch guard are flush. The recessed surface of the frame behind the latch guard is further reinforced by employing a thicker wall than is used in the rest of the frame, and by welding a square metal tube into the recessed region. A medial metal support is also welded into the lock box cavity in order to prevent the lock box from collapsing under stress. The resulting door lock and frame system is less penetrable than prior systems, and provides greater security because the latch guard is less vulnerable to prying and because the frame and lock box are reinforced, thus less likely to collapse under stress.

Abstract: A uniquely designed two piece bulkhead door for box cars in the railroad industry. The bulkhead door is made of steel side frame members and steel frame cross members using ultra-high strength resilient steels and includes a plurality of "slide in" impact and chemically resistant thermoplastic composite modular panels. This device is used to restrain, secure and separate cargo in freight railroad cars. This load divider presents a number of exceptional features such as light weight construction, modular design, an ergonomically designed handle and structurally effective hardware. The bulkhead door fulfills the impact resistance performance requirements.

Abstract: A door handle assembly includes a mounting bracket is mounted on the door inner panel and pivotally mounts a lever which is operable to release the door latch. A trim panel is carried by the door in spaced apart relation from the door inner panel and has an opening registering with the lever. A trim bezel is installed in the opening and has a peripheral flange adapted to overlie the trim panel around the opening. A plurality of adjusting ratcheting fasteners are installed between the trim bezel and the door inner panel to enable secure attachment of the bezel to the door inner panel and gap free engagement of the peripheral flange of the bezel with the trim panel irrespective of dimensional variation between the door inner panel and the trim panel. A door handle is mounted on the lever by a ratchet adjusting connection so that the door handle is mounted on the lever at an adjusted position irrespective of the dimensional variation.

Abstract: A door hole cover for covering a hole in a door has two substantially flat cover plates that are secured to opposite sides of the door for covering the door hole. The first cover plate has an attachment tube extending from the center of its inner surface such that the attachment tube is positioned inside the door hole during assembly. A centering disk is placed over the attachment tube and held in place by a retainer clip. A fastener fits through a hole in the second cover plate and engages an internally threaded hole in the attachment tube to secure the first and second cover plates to the door in a position covering the door hole. The centering disk inside the door hole substantially prevents movement of the cover plates in a plane that is parallel with respect to the door. The centering plate may include three removable tabs that are left in place to cover relatively large door holes, but may be removed to cover smaller door holes.

Abstract: A door for an automotive vehicle includes a bracket that is mounted to an upper portion of a door panel and projects upwards from the door panel, a key cylinder for locking or unlocking the door where a key insert hole of the key cylinder is mounted to the bracket and is directed towards the outside of the automotive vehicle body, a door handle base that is mounted to the bracket so that it covers the key cylinder from the outside of the automotive vehicle body such that the door handle base has an aperture positioned opposite from the key insert hole of the key cylinder, and a door handle for opening or closing the door that is mounted to the door handle base.

Abstract: A low friction tape adhesively connected to a movable vehicle door glass for isolating the door glass from a rubber glass run channel and providing a low friction surface for slidably engaging the glass run channel to prohibit glass chatter and noise created by the sliding engagement of the door glass within the glass run channel. The glass run channel is housed within a stationary frame portion of the vehicle door and is utilized to support and guide the door glass as well as seal the door glass to the vehicle door. Separate segments of the low friction tape are applied to the vertical edges and the periphery of the sides of the door glass to prohibit direct contact of the door glass and the glass run channel. Due to the curvature of the door glass, the low friction tape must be applied in several separate segments so that wrinkling of the low friction tape is avoided when applying the tape segments to the door glass.

Abstract: A door security device for enhancing structural integrity between a door and a doorjamb includes a generally U-shaped door reinforcing member, a reinforced striker plate, and securing members. The door security device may be installed on a door including a door latching device and having a bolt member selectably movable within the doorjamb to secure the door to the doorjamb when the door is closed. A cut-out within the end plate of the door reinforcing member has at least a selected vertical height, and the reinforcing member and striker plate are mounted to the door and doorjamb, respectively, such that the striker plate is received within the cut-out when the door is closed without the latching plate overlapping the end plate of the door reinforcing member. Since the edge of the door is closely adjacent the doorjamb and striker plate, the door reinforcing member may be stamped from relatively thick stock having a substantially uniform thickness, thereby reducing manufacturing costs.

Abstract: A light-transmitting fire resistant glazing panel includes at least two vitreous sheets between which is sandwiched at least one intervening layer of intumescent material, for example, of hydrated sodium silicate. Two of the vitreous sheets are of different thicknesses and they are bonded together via the sandwiched intumescent material. The thinner of the two vitreous sheets is of conforming size to the thicker sheet and the thinner sheet and intumescent layer are shaped to leave the main face of the thicker sheet to which they are bonded exposed at a plurality of local marginal areas. This allows a hinge bracket 11 to be attached to the thicker sheet 1 at the exposed area 5 by a plurality of bolts leading through holes in the thicker sheet. The bolts may comprise sheathes, e.g. of nylon, or they may lead through bushes, e.g. of nylon, to avoid direct contact between the metal of the bolts and the glass if this is desired.

Abstract: A vehicle body has a door aperture the door aperture being bounded along its lower edge by a sill section and by forward and rearward upstanding post sections, a door being located in the door aperture, the door being hinged to one post section and releasably engaging a catch on the other post section, a tie bar is provided adjacent the edge of the door remote from the sill section, clamping elements being provided for releasably clamping the tie bar with respect to both the forward and rearward post sections when the door is closed, the tie bar being capable when clamped of transmitting tensile, compressive and torsional loads from one post section to the other post section.

Abstract: A door secured system includes a door reinforcing rigid metal member (20) across the width of a presently installed door or imbedded within the construction of a new door (20a) to prevent the breaking in of the center of th edoor (panel, rails, etc.) having an L-shaped end at the strike area (24) to strength the lock and strike area. On a presently installed door, fingers (26, 26a & 26b) at the hinge side of the reinforcing rigid metal member (20) with a special hinge (28 and 30) and pin (27) combination five added strength to the hinge system. This also allows easy removal on special occasions. The reinforcing rigid metal member (20a) within the construction of a new door has an L-shaped end (62) for securely attaching a hinge plate (not shown), giving added strength to the hinge side of the door. The rigid metal member (20+20a) has an opening (22) to encompass a cylindrical door lock assembly (46) or dead bolt lock assembly (44). These systems give the same security when in or away from the dwelling.

Abstract: A vehicle door comprising a door shell, a module, and door hardware components attached on the door module. The door shell comprises an outer belt reinforcement, an outer panel and an inner panel having a hinge and a latch member. The module comprises a core member having two metal plates thereby to receive the hardware components. The hardware components which are attached to the module are an exterior door release, an interior door release, a latch mechanism, a window regulator mechanism, and a trim panel. Thus, the module is adapted to permit pre-assembly and pre-testing of major sub-assemblies.

Abstract: An apparatus wherein a latch bar is mounted to opposed lateral sides of a door framework, wherein the latch bar includes a plurality of leg members, each receivable within an associated yoke to secure and position the latch bar relative to the door, with spaced lateral positioning clips mounted to lateral sides of the door frame for supporting the latch bar in position preventing unauthorized opening of an associated door.

Abstract: A door assembly for a truck including an outer door assembly, a reinforcement panel, and a door cover panel. The outer door assembly is made of a lightweight aluminum for weight savings, the reinforcement panel is made of a high strength steel to provide required strength and the added benefit of subassembly.

Abstract: The invention relates to an opening element of the body of an automotive vehicle comprising particularly a panel constituted by a metal part, and a plastic part having stiffening ribs and molded onto the metal part.According to the invention, the metal part (1) and the plastic material composite part (2) constitue an internal structural component (16) of a panel, the outside panel (24) being attached to this internal structural component (16), and in that the metal part (1) has an annular form of U shaped section toward the interior in which are molded the ribs (6) of the plastic part (2), these ribs being inside by the mounting points provided on the metal part (1).

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: A conventional wooden door (1) is generally provided with a handle (29) activating a latch from closed to open position and a latch knob (30) activating a bolt between closed and open position. The latch and bolt enter recesses provided in the frame flange (15) and for this reason it is relatively easy to break open a door (1). This is made more difficult if a body (2) is arranged on the inside of the door, said body (2) being provided with spring bolts (17 and 18) and dowels (23 and 24) to fit into recesses (19, 20) in the relevant jambs (16, 11, repectively).

Abstract: An automotive door structure includes a door panel assembly of resin, a lifting/lowering device for lifting and lowering a door glass sheet, the lifting/lowering device being disposed in the door panel assembly, and a door frame of a rigid material disposed in the door panel assembly and supporting the door glass sheet and the lifting/lowering device.

Abstract: A side door assembly in an automobile body structure for selectively opening and closing an access opening includes a generally rectangular double-walled door panel structure having a windowpane chamber and a windowpane slot both defined therein. A windowpane is supported for movement between elevated and lowered positions through the windowpane slot such that the windowpane in the lowered position can be substantially concealed within the windowpane chamber. The side door assembly also comprises a window sash mounted on the door panel structure so as to extend above the windowpane slot. This window sash has a front sash portion, a generally horizontally extending sash portion continued from the front sash portion and a generally upright rear sash portion continued from the horizontally extending sash portion. There is also provided a bezel mounted on the door panel structure at a location rearwardly of the upright sash portion and at a level above the waist level of an individual.

Abstract: A door pull for a vehicle door assembly in the form of a rigid strap attached to the door frame and spanning a recess in the door frame. A interior trim panel covers the door pull and an opening in the trim panel adjacent to the door pull provides access for an occupant to reach into the recess behind the door pull to pull the door closed. A door latch release handle can be placed in the recess behind the door pull strap at one end of the recess which is operated by the occupant reaching into the recess and pulling the latch release handle to open the door. No additional trim pieces and attaching hardware are needed to surround the door pull.

Abstract: A door is formed by latch and hinge panels which can be attached without fasteners or welding. Each of the panels is formed of a unitary piece of sheet metal and includes a rectangular face member, a side flange extending substantially perpendicularly from the face member along one of its side edges, a first latch formed along a free lateral edge of the side flange remote from the face member, a second latch formed along the opposite side edge of the face member and end flanges extending substantially perpendicularly from the face member along the end edges. The first latch of each panel is secured to the second latch of the other panel such that the panels are secured and form the door, with latches being located at diametrically opposite corners of the door. An insulating core member is located between the panels.

Abstract: In a vehicle door comprising an outer wall, an inner wall and an equipment carrier which is arranged between the outer and inner walls and, before the outer and inner walls are brought together, can be provided with further door parts, especially a window lifting actuation means, and which serves as a fastening base for at least two door hinges and for at least one door mounted latch arrangement actuable by means of a door lock and interacting with a corresponding frame mounted latch arrangement of the vehicle, and, if appropriate, a window frame, the equipment carrier consists of a bottom boom section with legs directed upwards on one side and at least partially forming a hollow frame, the legs being connected to one another at a distance from the bottom boom section by means of at least one strut.The bottom boom section and the legs preferably consist of an aluminium alloy casting, in which is partially cast a strut consisting of an aluminium alloy extruded hollow section of boxshaped cross section.

Abstract: In the assembly of a door panel module (1) with the door frame (2) in the assembly line of an automotive manufacturing operation, an automatic interfacing system for a multi-component mechanical system, such as for example the door locking mechanism, part of which is on the panel module and the other part of which is on the door frame. The interfacing system includes a receptor cup (20) on the door lock actuator (10) on the panel module and an orthogonally extending distal tip (34) of the door lock actuating rod (30) mating therewith. The receptor cup includes a circular, conically shaped, tapered surface (21) which leads into a centrally located, locking opening (22), into which the distal tip of the locking rod becomes engaged, after the tapered surface through the lateral movement of the receptor cup has guided and caused it to become longitudinally engaged with the centrally located opening.

Abstract: A vehicle door includes a module to which the door hardware can be attached and tested off line prior to shipment to the vehicle manufacturer.

Abstract: A door is formed by latch and hinge panels which can be attached without fasteners or welding. Each of the panels is formed of a unitary piece of sheet metal and includes a rectangular face member, a side flange extending substantially perpendicularly from the face member along one of its side edges, a first latch formed along a free lateral edge of the side flange remote from the face member, a second latch formed along the opposite side edge of the face member and end flanges extending substantially perpendicularly from the face member along the end edges. The first latch of each panel is secured to the second latch of the other panel such that the panels are secured and form the door, with latches being located at diametrically opposite corners of the door. An insulating core member is located between the panels.

Abstract: A vehicle door includes a module to which the door hardware can be attached and tested off line prior to shipment to the vehicle manufacturer.

Abstract: A rail car sliding door includes a substantially rectangular frame having a pair of side frame members and top and bottom frame members which are secured to each other. At least one corrugated panel is secured to the frame. Top, bottom and side reinforcing channels are secured to a respective one of the frame members for door strengthening purposes. The top and bottom reinforcing channels extend over the side reinforcing channels to the door side edges for better bearing loads imposed on the door. The door may advantageously be provided with a corrugated metal panel in which substantially equal amounts of panel material are provided on each side of a plane which bisects the door thickness dimension. The door also may advantageously be provided with a hasp which is secured to the door by means of a U-shaped hasp securing member.

Abstract: A vehicle door structure comprises an inner panel on which functional parts are to be mounted, and an outer panel having a central opening. The inner panel and the outer panel are lap-bonded together at the front edge, the bottom edge and the rear edge. The portion of the outer panel surrounding the central opening is bonded to the inner panel. Front and rear edge portions of the door body are formed of closed cross-section portions. The outer side of the outer panel is covered with an outer plate of synthetic resin.

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 vehicle door comprises an outer panel of synthetic resin and an inner panel of steel plate. A door hinge and a door lock device are mounted on the steel inner panel.

Abstract: A door for vehicles, mainly comprising a box structure with a downwards open cavity. An assembly formed by the glass and the relevant guides and lifting mechanisms is assembled separately and is then inserted from the bottom into the cavity of the box structure of the door, and fixed therein. The box structure of the door, which may advantageously be made of plastics, is further provided with a recess into which a lock assembly, separately assembled as well, can be inserted. The lock actuating structure can be housed within a recess particularly provided to this end in a protrusion forming an arm rest. With these arrangements, the expensive operations which have to be performed on the door installed on the vehicle are minimized, thus reducing the assembly costs and time.

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: An insert for positioning between the facing sheets of laminated doors to define lock installation openings and to prevent foamed-in-situ filler material from flowing into lock installation openings during foaming of the door cavity. The insert includes a door edge plate which occupies a portion of the edge of the door, and a receptacle which extends inwardly from the edge plate to locations between the facing sheets. The edge plate defines a plurality of openings, each of a size and shape large enough to accommodate a standard-sized lock bolt assembly. The openings are covered by membranes, any one of which can be removed to permit the receptacle to be attached to the edge plate. The receptacle defines an opening of sufficient size to accommodate standard-sized, door-knob-type lock assembly. An adapter may be installed within the opening of the receptacle to accommodate differently sized lock hardware. All of the insert components can be formed inexpensively using plastics injection-molding techniques.

Abstract: A door, particularly for a car, is a rigidified plastic unit. It comprises an integral plastic door inner part having a box-shaped lower part with an open side facing outwardly and having a window frame at the top thereof. There is a door outer part which is fitted over the open box-shaped inner part for closing off the same. Optionally, an H-shaped reinforcing element is disposed between the inner and outer parts, with two legs of the H extending partially through a U-shaped channel which shapes the upper part of the window frame. The window pane is part of the outer door part and may be integral therewith. An air duct may be defined in the door inner part or in the reinforcing element for blowing air over the window.

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: The invention provides a door for buildings, comprising the outside panel thereof being larger in area than the inside panel thereof, the four edge faces of the door being provided on their outside portions with acute-angled projecting portions, the outside portions of the inner faces of a door frame being inclined toward the outside, the clearances between the inner faces of the door frame and the inside portions of the edge faces of the door being at least 6 mm each; and a door for buildings provided with a lock having clearances of at least 6 mm each over and under a dead bolt or a latch bolt when said bolt is inserted into a bolt recess.

Abstract: A door beam of a motor vehicle is provided in a vehicle door. Section modulus of the door beam is progressively decreased from a center section toward opposite ends of the door beam and the contour of cross-section of the door beam is of a continuously formed round wave shape, whereby the door beam absorbs an impact of a collision by virtue of imparting the force of the impact to both bending and tensile forces so that the bending moment acting on the center of the door beam decreases.

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.