Abstract: A temporary closure with a solid pane of for example glass framed in a quadrangular frame that includes four side members forming at least a part of each their side of the frame sides; eight corner members each telescopically connected to a side member and in pairs forming the four corners of the frame; four longitudinal mountings fastened on each their side member and each arranged to displaceably receive an area of the pane, and a fastener for fixing the pane in a wanted position in the frame. The frame includes at least one corner plate fastened on each of the corners of the frame and having sides that are longer than the extent of the adjacent mounting in the transverse direction. The temporary closure can be mounted and demounted quickly and easily, and its size can be changed to adapt to an opening.

Abstract: A wing including an infill of fixed extent and an outer frame including at least two outer frame member comprises at least one of which includes a pair of associated outer frame portions connected by a telescopic joint comprising a linear joint, said outer frame members connected at a corner joint defined in part by an included angle that may be changed, said the infill bounded by an inner frame having an outwardly disposed peripheral channel supported in relation to the outer frame that at least in part occupies the channel.

Abstract: A knockdown doorframe includes: a pair or jambs respectively secured to a right and a left vertical side wall of a doorway, each jamb having an adjustable covering plate adjustably shielding a side portion of the jamb with the wall; and a lintel horizontally secured to a top portion of each jamb adjacent to a horizontal top wall of the doorway and having an adjustable horizontal covering plate adjustably shielding an upper portion of the lintel and the horizontal top wall, whereby upon a sliding or telescopic movement of each covering plate in each jamb or in the lintel, the covering plate may adjustably well shield the jamb or lintel with the wall having variable wall thickness for security and ornamental purposes.

Abstract: A frame extension having a body with an interior body face, a proximal body face substantially orthogonal to the interior body face, and an attachment channel for receiving a clip is disclosed. A joint is attached to the body and a flange is attached to the joint. The flange has an interior flange face and an exterior flange face substantially parallel to and offset from the interior flange face. The flange is movable from an extended position where the interior flange face and exterior flange face are substantially parallel to the interior body face to a folded position where one of the interior flange face and exterior flange face is substantially abutted to the body.

Abstract: A barrier or partition for the inside of a house having upper and lower barrier sections that are adjustable relative to each other such that the barrier as a whole is adjustable in height. The upper and lower barrier sections have paired vertically extending support members that slide relative to each other. At least one pair of vertically extending support members have a pincher or pincher mechanism that squeezes upon one of the vertically extending support members to fix the vertically extending support members in a nonsliding fashion relative to each other. The barrier includes a gate that also includes upper and lower sections and paired vertically extending support members that slide relative to each other. Further upper and lower sections, with or without gates, may be laterally attached or detached to increase or decrease a length of the barrier.

Abstract: A window frame including a pair of identical frame halves that can be interconnected without fasteners. Two different connector systems are integrally formed with the frame halves, and the frame halves have two possible orientations with respect to one another—a ship orientation and an install orientation. The first connector system releasably interconnects the frame halves in either orientation. The second connector system essentially permanently interconnects the frame halves only in the install orientation—not in the ship orientation.

Abstract: A window and door jamb adjustment system for accurately installing windows and doors and providing for later adjustment of the same. The window and door jamb adjustment system includes a support member attachable to a building frame, an alignment member slidably attached to the support member and attachable to an extension jamb, a door or window, and a threaded shaft attached to the support member and threadably engaging the alignment member. As the threaded shaft is rotated, the rotational motion is converted to linear motion of the alignment member. As the alignment member is moved with respect to the support member, the extension jamb, a door or window, is correspondingly moved inwardly or outwardly for proper alignment with plasterboard.

Abstract: The present application discloses embodiments of entry systems that minimize water infiltration due to a wind driven rain. In one embodiment, the entry system includes a corner pad that includes an upper portion that seals against the weather strip when the door is closed and a lower portion that is spaced apart from the weather strip to form a gap between the lower portion and the weather strip. The lower portion seals against the door when the door is closed.

Abstract: A shutter mounting adjuster provided between a non-vertical peripheral wall of a shutter opening and a hanging strip hinged to a shutter to support the shutter in the shutter opening. A slider movably mounted in a longitudinal groove of the hanging strip of the shutter, and an arched spring strip fixed on the slider for movement with the slider along the longitudinal groove for enaging the non-vertical peripheral wall to postion the hanging strip vertically in the shutter opening.

Abstract: The invention discloses a universal window/door frame comprised of a group of components that can be used singularly or in combination to form a plurality of window/door types. The components forming the various window and door types are a frame, sash and T-bar of standard thickness that forms the frame and glass holding elements of the window or door. The hardware defining the window type uses one or more of a plurality of concealed channels contained within the frame. When necessary, access to and use of the channels is obtained by removing material forming the interior wall of the frame providing access to the concealed channel or channels that will be used to define the windows functional components, such as having a screen or a sliding member. Some types, i.e. jalousie and direct set picture windows, do not require the use of the concealed channels. The use of the T-bar provides for the inclusion of various window types having the potential for common glass lines on the vertical and horizontal.

Abstract: This invention relates to a cost saving way of solving a difficult problem in the structure and installation and leveling of an elevator sill. This invention provides ease of installing from the hallway without the use of a moving elevator platform. The structure consists of a sill, a cradle for the sill and a pair of end brackets for supporting the cradle. The pair of spaced L-shaped end brackets are provided for attachment to the hall floor. A vertically adjustable sill cradle is supported at its end portions by the brackets and a horizontally and vertically adjustable sill is mounted on the sill cradle. The elevator door sill cradle is adjustable vertically by means of fasteners that are moveable in vertical slots in the end brackets and is horizontally adjustable on the cradle by means of fasteners that are moveable in horizontal slots provided in the cradle.

Abstract: A window frame including a pair of identical frame halves that can be interconnected without fasteners. Two different connector systems are integrally formed with the frame halves, and the frame halves have two possible orientations with respect to one another—a ship orientation and an install orientation. The first connector system releasably interconnects the frame halves in either orientation. The second connector system essentially permanently interconnects the frame halves only in the install orientation—not in the ship orientation.

Abstract: A shower door system has a compression mounting system including a horizontal header and curb and upright jambs. The header and curb each include one or more rails mounted above and below the door via associated expansion assemblies. These assemblies have threaded shafts that engage one or more nuts mounted to the rails such that turning the shafts applies compressive forces against opposing end walls of a shower enclosure.

Abstract: The present invention provides a door with an adjustable height and an adjustable width. The door of the invention comprises a central unit, a bottom unit overlapping with the central unit to define a bottom overlapping region, a side unit overlapping with the central unit to define a side overlapping region, and a corner unit overlapping with the side unit and with the bottom unit. The height of the door may be adjusted by changing the size of the bottom overlapping region. The width of the door may be adjusted by changing the size of the side overlapping region. The corner unit is attached to the bottom unit and to the side unit in a manner ensuring that the shape of the door as a whole is rectangular at any height and width to which the door is adjusted.

Abstract: The invention provides a window frame construction system (10) comprising an inner frame (12), an apertureless outer frame (18) provided with at least abutment surface (22) projecting towards said inner frame (12) and a plurality of aligning connector units (26) for attaching said inner frame (12) inside said outer frame (18), said unit comprising, a hollow body (28) attachable to said inner frame (12), a nut plate (34) engageable with said inner frame (12) and having an internal screw thread (36) matching an externally screw-threaded portion of said hollow body (28), whereby said hollow body (28) may be adjusted to project a desired distance outwards from said inner frame (12) towards the outer frame (18), and a first rotatable member (40), insertable in a hollow body (28), wherein said first internal rotatable member (40) is provided with a projection (42), an end portion (44) of which faces outwards towards said outer frame (18) for effecting engagement and alignment between said inner and outer frames.

Abstract: A shower door system has a compression mounting system including a horizontal header and curb and upright jambs. The header and curb each include one or more rails mounted above and below the door via associated expansion assemblies. These assemblies have threaded shafts that engage one or more nuts mounted to the rails such that turning the shafts applies compressive forces against opposing end walls of a shower enclosure.

Abstract: A user customizable adjustable shutter system employs a variety of synergistic features which may be used individually or in combination to enable a user to install a shutter set in a manner which will produce a professional finish, but without the negative aspects accompanying most custom installation processes. The system may be commercially available as a kit, or may be available as kit components which can be purchased as needed. Pre-manufactured shutter members are provided with pre drilled holes to accommodate threaded members, typically wood screws, to hold a series of decorative extensions which can be added to increase the horizontal dimension. Decorative extensions can also be inserted to increase vertical distance, if desired. A decorative extension formed to widen shutter members and as a combination middle handle and covering member may be provided to both affect the width and to eliminate the middle light gap.

Abstract: A flexible screen partition that has a plastic frame with top, bottom, left, and right sides surrounding an open interior space. The plastic frame is preferably rectangular and flexible. A wire mesh segment covers the entire interior space of the plastic frame. The wire mesh segment has top, bottom, left, and right edges that are fused with the respective sides of the plastic frame. The plastic frame has at least one receiving aperture on both its left and right sides. The flexible screen partition also includes at least one extension piece. This extension piece has at least one insertable projection on one of its sides. The insertable projection is insertable into a receiving aperture on the plastic frame. An extension piece is attached to either the right or left side of the plastic frame when the plastic frame is not wide enough to cover the area of its intended use.

Abstract: A by-pass shower door system has a compression mounting system including a horizontal header and curb and upright jambs. The header includes a header rail with parallel tracks for slidably mounting the door panels and a threaded header expansion assembly. The curb is mounted beneath the header and includes two curb rails and a threaded curb expansion assembly coupled to the curb rails. The compression assemblies have threaded shafts that engage nuts mounted to the rails such that adjusting the compression assemblies (by turning the shafts) applies a compressive force on opposing end walls of a shower enclosure to mount the header and curb. A cap overlapping the header rail conceals the header expansion assembly. A center guide, having parallel tracks for bottom ends of the door panels, conceals the curb expansion assembly.

Abstract: A plurality of strips are releasably interconnected to a support bar as an assembly for mounting a shutter within a window frame. Male and female connectors such as tongue and groove or pin and socket connectors interconnect the strips to one another and to the support bar. The strips, located between the bar and the window frame, may be manually added or removed from the support bar by transverse motion individually with a low force to adjust the width of the shutter mounting assembly to fit the shutter to window frames of various widths without need for tools.

Abstract: The invention relates to a holding device for holding glass closures (20) formed by individual glass profile elements, especially U-shaped glass profile elements (21, 21′), or other long glass elements, especially insulating glass elements. In order to prevent water condensation inside the glass closure (20), the holding device comprises at least one holding rail (2; 32, 36, 37; 34, 64, 65; 34, 64′, 76; 79; 80) for holding or mounting and for laterally guiding and supporting the individual long glass elements or glass profile elements (21, 21′) or the glass closure (20).

Abstract: Access apparatus including an access device including at least one of a door and a window, the access device including at least one openable element; and opening apparatus adapted to open the at least one openable element in a presence of a pressure difference of a predefined magnitude between opposite sides of the access device.

Abstract: The present vehicle hatch for passenger vehicles comprises a hatch cover, sealant member and mounting frame assembly. The mounting frame assembly allows for the hatch cover to open to angle greater than 90 degrees. The hatch may be in any one of several positions including: totally closed, providing a hermetic seal pervious to dust and waterproof; open in all its periphery; open only at its front; open only at its front; open only at its rear; open on its right or left side; and open with the upper cover at an angle greater than 90 degrees, thereby serving as an emergency exit. The mounting frame and hatch cover provide an improved seal against penetration of water and other particles, and provide an improved aerodynamic feature. The mounting frame may be telescopically adjustable to provide for secure mounting on vehicle bodies of varying thicknesses.

Abstract: A backlight unit for a liquid crystal display is disclosed. The unit includes a light guide plate, a reflector, a light source and a frame. The light guide plate further includes a protrusion located on the side surface of the light guide plate, and the frame further includes a first groove, a second groove and a fixing portion. The first groove is connected with the fixing portion, and the second groove is also connected with the fixing portion. The light guide plate is combined with the frame by gliding and inserting the protrusions into the fixing portion through the first and second grooves.

Abstract: A door frame and gusset system for adjustably attaching a strike plate to a door frame. The door frame includes an emboss indentation having slots and tabs. The tabs engage and align a gusset mounted on the back side of the door frame opposite the strike plate. The gusset has threaded holes for engaging screws which attach the strike plate to the gusset through the slots in the emboss indentation. The gusset also has slots which engage the tabs to allow the gusset to move horizontally with respect to the frame and prevent vertical movement of the gusset with respect to the frame. The slots in the emboss indentation allow relative movement of the gusset and strike plate with respect to the door frame to adjust the position of the strike plate. A separate dust box may also be incorporated between the gusset and the door frame. In addition, integral gusset and dust box assembly may be used in connection with the door frame and gusset system.

Abstract: A sliding door includes two or more door panels, and one or more resilient couplings having the side stops slidably engaged in the side channels of the door panels for resiliently coupling the door panels together and for allowing the door panels to be adjusted relative to each other. The door panels each includes less than 78% by weight of a foamable material, and more than 20% by weight of wood chips or particles mixed within the foamable material, and less than 2% by weight of a vulcanizing agent, for allowing the door panels to be adjusted to different weights.

Abstract: An adjustable door frame assembly. The door frame assembly is to be adapted to fit door openings of different sizes. The door frame assembly utilizes co-extrusion technic for the components, including PVC foamed plastics frames, a corner connecting metal piece, a U-shape reinforced metal piece and co-extruded soft strips. The corner connecting metal piece fixes two adjacent frames such as the left and the top to form a “ ” type frame, and then to be joined with the bottom threshold to complete this door frame assembly. The door frame assembly is height or width adjustable by cutting off parts of the side frames to change the dimensions of the door to fit the door openings for different sizes of various buildings.

Abstract: The invention is a is a pre-manufactured casing assembly for a wall opening that is assembled to form a unitary casing structure that does not disengage or separate at corners over time and prolonged usage. The corners of the casing assembly are rigidly held in place by corner connectors that are attached to the individual casing pieces by attachment means.

Abstract: Shutter for windows, and relative method to fit said shutter, comprising a rim (12) consisting of vertical uprights (14) and horizontal cross-pieces (13), an outer assembly box (11) suitable to be anchored at the sides (20) of a window opening, and a plurality of blades (15) attached transversely between the vertical uprights (14) and suitable to selectively obstruct the light filtering through the rim (12), wherein the assembly box (11) consists of a plurality of profiles (17) of equal section and substantially quadrangular comprising, on one side, a coupling tooth (16) defining substantially plane supporting surfaces (19a, 19b) able to cooperate with mating surfaces of the sides (20) defining the window opening and/or with mating surfaces of the profiles (13, 14) defining the rim (12) of the shutter (10).

Abstract: The shimless-shim employed with an edge member of a rough opening in a structure helps true up a jamb in the rough opening comprising a first member disposed parallel to the edge member having a length equal to the width of the edge member and the thickness of the wall boards attached to both edges of the edge member; a pair of a second members attached to the first member in a perpendicular relationship thereto, the pair of second members being disposed in a spaced relationship with respect to each other to enable each of the pair of second members to be disposed between a different one of the edges of the edge member and an adjacent one of the wall boards, the pair of the second members being adjustable in and out to assist in truing up the jamb in the rough opening; a first fastener is associated with the first member to enable fastening the jamb thereto; and a second fastener is associated with each of the pair of the second members and the edge member to secure the pair of second members to the edge memb

Abstract: A system and method for installing trim around a window in a construction application where the jambs of the window are not as wide as the wall in which the window is being installed. The system uses jamb mounting elements attached to the jambs of the window. Trim mounting elements are either attached to the trim or its functional equivalents milled into the wood of the trim. When the trim is mounted to the wall surrounding the window, the jamb mounting elements and the trim mounting elements overlap, thereby eliminating any gaps between the trim and the jambs of the window. By overlapping the jamb mounting elements and the trim mounting elements, these two elements can be adapted to fill in the gaps between the trim and the window jambs across a large range.

Abstract: An improved doorjamb and brickmold is provided wherein an extruded thermoplastic molding and stop member is secured to wooden support members to define the doorjambs and mullions of a door and jamb assembly. The co-extruded plastic molding and stop members define both the stops of the assembly and the exposed decorative molding portion and also protect the wooden support members from exposure to the elements. A separate extruded extension adapts the structure for use with the wider opening in a modern thicker wall.

Abstract: The invention consists of several improvements introduced into the construction of mechanical draft excluders for the lower edge of doorjambs, characterized in that the body of the draft excluder is built in three sections aligned horizontally, with the two end sections each connected to a side of the doorjamb and the third laid out in a sliding fashion between the two to cover the separation that might exist between the two fixed end sections by adapting to the width of the door.

Abstract: A frame including a bracket receiver structure and at least one frame-to-sash bracket removably secured to the bracket receiver structure such that the frame-to-sash bracket can be removed or repositioned to enable various sash types to be interchanged within the frame. The frame-to-sash bracket can be a bracket configured to mount a double-hung sash, an inswing sash or an outswing sash within the frame. The various sash types can be installed from either the exterior side or the interior side of the frame.

Abstract: A motorized sliding door assembly including a sliding door that slides longitudinally inside an outer support frame assembled in a standard 2×4 stud wall opening in a building. The support frame includes a load-bearing header located horizontally between two vertical posts and opposite a lower threshold. Jack screws are placed between the ends of the header and the vertical posts which enable the position of the header to be adjusted relative to the vertical posts and against the ceiling plate. Located inside the header is a longitudinally aligned track rail that rests on top of the vertical posts over which the sliding door moves. Located inside the header is a linear motor. Disposed vertically inside the support frame are two parallel fixed panels that are sufficiently spaced-apart to create a pocket in which the sliding door may extend. Also provided around the support frame and fixed panels is a sealing frame assembly that creates a weather-tight seal therebetween when the sliding door is closed.

Abstract: The plastic back-up shear plate is laterally disposed with generally a spring fit into the outwardly facing mouth of a metal window frame. The outwardly facing frame mouth is formed and defined by the window frame elongated hollow body and particularly by outer wall elements which face each other in an opposing manner. The plastic back-up shear plate has laterally disposed opposite outer edge portions which are interlockable on corresponding outer wall elements of hollow body metal window frame which wall elements define the mouth of the window frame. In a perpendicular direction, the back-up shear plate has a opposing edge portions with interlock on window frame mouths having a slightly different dimension. The plastic back-up shear plate lateral lips to lock onto lateral frame mouths having different dimensions for different sized frames. The shear plate is constructed and arranged to fit, with appropriate change in orientation, window frames of two different mouth openings.

Abstract: A coupling for mounting a door frame in an opening in a wall includes two, substantially identical anchoring clips and two substantially identical retaining clips. Each anchoring clip has a base mounting portion and a resilient cantilever portion extending at an non-perpendicular angle from its base mounting portion. The anchor clips are oriented opposite to one another. Each retaining clip has a base mounting section and an angled section extending in an cantilever manner from its base mounting section. The retaining clips are oriented mirror image such that the cantilever portions of the anchoring clips engage the angled sections of the retaining clips.

Abstract: A door frame comprises opposed door jambs and a door head, with the jambs and head each being formed from a metal section (6) of channel-shape having a base wall (8) which carries a door stop (12) and opposed side walls (10) of a width such that when the section (6) is applied to a door opening within a wall with plasterboard sheeting (16) on the wall around the opening, the opposed side walls (10) of the section (6) will overlap and lie closely adjacent to the outer surface of the plasterboard (16) with the edge of the plasterboard (16) being concealed with the interior of the section (6), the opposed side walls (10) being perforated to permit a skim coat of plaster to be applied over the side walls (10) and adjacent part of the palsterboard (16) to conceal the presence of the side walls. In one embodiment the metal section is formed from two components which engage with a friction fit to provide width-adjustment of the section to suit walls of different width.

Abstract: A prefabricated window fame with a decorative window subassembly within for use in a building having a window opening in a wall or a door with a rail about its perimeter. The window frame includes a first, or back, member and a second, or front, member overhanging the window subassembly therebetween and fastened together to form a window frame groove matching the window frame rail. The front frame member is mountable on the outside of the window opening and the back frame member is mountable on the inside of the window opening with the window subassembly therebetween. Frame members are identical, symmetric components with one when inverted matching another to comprise front and back frame members. The frame members are secured together by a plurality of fasteners secured to the frame members about their perimeters. The fasteners comprise matching latch hooks or posts with ridges matching frame holes with ridges.

Abstract: A partition system includes a freestanding partition system having a pocket-defining partition, and a pocket door slidably supported on the partition system for movement into and out of the pocket. The door includes a door frame having a bottom section defining a cavity that opens downwardly, and a stiff plate-shaped light seal is operably positioned in the cavity for vertical movement by gravity between different positions as the light seal engages and rides along a floor surface. The door includes an adjustable door frame having a rectangular shape with generally square corners and straight sides, but a trailing stile of the door frame is longitudinally adjustable such that, when adjusted, the rectangular shape changes to an orthogonal shape where at least one of the sides of the door frame is angularly distorted from the rectangular shape. This allows the door frame to be adjusted to better fit a door opening.

Abstract: A pre-hung door and door frame in combination with nesting door posts. Preferably, the door posts have a central channel extending into contact with a door jamb soffit and one of the door jamb stops. The header includes a header tab extending from a nailing flange into a area defined by the door jamb rabbet, face and back bends to provide a more rigid connection between the header and the door jamb. The header also includes a pair of door jamb tabs integral with the header for securing the header relative to the door jambs.

Abstract: A door hanging system that utilizes a plurality of metallic elongated U-shaped clips that span the area between the edge of the door opening and the door jamb. These metallic clips also serve to support the weight of the pre-hung door or door jamb during the adjustment phase of the installation and to permanently anchor it once the proper orientation of the door has been achieved. Additionally, the clips are designed in a fashion that they can be concealed behind the door finishing trim commonly used in construction today.

Abstract: An extruded rail adjacent to the glazing in a window has a pair of integrally extruded receivers adapted to attachingly receive predetermined window glazing bead brackets which are each adapted to mate with the receivers. The glazing can be installed from either the exterior side or the interior side of the window, and can be located closer to one or the other of the sides by attachment sequence and selection of the predetermined bead brackets.

Abstract: A top-hung sliding door or window system for mounting within an opening in a wall includes upper and lower longitudinal tracks mounted to the upper and lower edges of the opening. A top rail is mounted to the upper edge of the glazing panel and is suspended from the upper longitudinal track for longitudinal movement. Vertical rails are mounted to the vertical edges of the glazing panel. A bottom rail is supported on the lower longitudinal track for longitudinal movement. A bottom rail insert is mounted to the lower edge of the glazing panel and engages the bottom rail for vertical movement relative thereto. Vertical rail inserts affixed to the ends of the bottom rail and projecting upward therefrom are movably attached to the vertical rails. When the upper edge of the opening is displaced downward, the first and second vertical rails move downward relative to the first and second vertical rail inserts, and the bottom rail insert moves downward on the bottom rail.

Abstract: A structure for fixing a blind on a window or door frame, including two blind main bodies, four hinges, two connecting boards, two sets of decorative plates and four sets of auxiliary blocks. Each auxiliary block is a right triangular body formed with a longitudinal slot at a middle section. The slope face of the auxiliary block is disposed with a continuous stepped face. In the case that the middle gap between the two blind main bodies is too large after fitted with inner sides of the window or door frame, the auxiliary blocks can be reversely engaged and by means of moving the two contacting stepped faces, the engaged auxiliary blocks can be adjusted to have a certain width and then locked between the connecting boards and the inner sides of the window or door frame so that the gap between the two blind main bodies can be easily and quickly rectified to a suitable size.

Abstract: A window for use in buildings or other enclosed areas is structured to open horizontally relative to the building or window casement and comprises a screen-like enclosure between the window casement and the window frame which limits the amount of moisture or dust that can enter through the window when in an open position. Further, the window is particularly structured to provide light, ventilation and an unobstructed view while providing a high degree of security to prevent breakage or burglary.

Abstract: A partition system includes a freestanding partition system having a pocket-defining partition, and a pocket door slidably supported on the partition system for movement into and out of the pocket. The door includes a door frame having a bottom section defining a cavity that opens downwardly, and a stiff plate-shaped light seal is operably positioned in the cavity for vertical movement by gravity between different positions as the light seal engages and rides along a floor surface. The door includes an adjustable door frame having a rectangular shape with generally square corners and straight sides, but a trailing stile of the door frame is longitudinally adjustable such that, when adjusted, the rectangular shape changes to an orthogonal shape where at least one of the sides of the door frame is angularly distorted from the rectangular shape. This allows the door frame to be adjusted to better fit a door opening.

Abstract: A door and doorway construction includes a doorway structure having a lock jamb, a hinge jamb, and a header defining a doorway opening. An adjustable door is constructed to fit mateably into the doorway opening. The doorway structure includes an overhead expressway construction configured to structurally support a weight of the door and further adapted to carry utilities over the doorway opening. The doorway structure is vertically adjustable to align the expressway construction with adjacent wall units, which results in size changes in the doorway opening, and the door is adjustable to define an adjustable vertical height shaped to fill the doorway opening despite the size changes. In one form the door is pivoted to the doorway structure with hinges located above and below the door and at a centerline of the door.

Abstract: A sill support for protecting the sill of a window or door in new or retrofit construction which minimizes the need for on-site fabrication and comprises left and right end dam sections that engage a center connecting member of variable length depending upon the width of the door or window opening being treated.

Abstract: A mine door system adapted for installation and a passageway in a mine, comprising a door frame adapted to be installed in the passageway and defining a doorway spaced below a ceiling of the passageway and mine door hingedly mounted on the door frame for movement between open and closed positions. The system further comprises a top panel structure for substantially closing the space between the door frame and the ceiling of the passageway, the top panel structure being readily contractible heightwise of the passageway without loss of its structural integrity to accommodate a convergence of the ceiling and floor of the passageway without any substantial heightwise deformation of the door frame.