Abstract: An ejecting device for a folding door is movably arranged on a furniture body. First and second door leaves of the folding door are interconnected in an articulated manner. The ejecting device has an ejecting element for folding open the folding door from a closed position, in which the door leaves are in a common closed plane, into an open position, in which the door leaves form an angle not equal to 180°. The ejecting device has a first fitting part for mounting the ejecting device on the first door leaf. The ejecting element can move the second door leaf from the closed position into the open position by a scissor mechanism having at least two scissor levers, and is mounted between the first and second door leaves by an articulated connection formed by an intermediate lever connected in an articulated manner to the first and/or second scissor lever.

Abstract: An item of furniture includes a first furniture part, a second furniture part, and furniture hinges for pivotally connecting the first furniture part and the second furniture part. The furniture hinges are spaced apart from each other along a longitudinal direction of the first furniture part and the second furniture part, and a gap is defined between the first furniture part and the second furniture part. A cover portion extends at least between the furniture hinges so that the gap can be at least partially covered. The first furniture part and the second furniture part can be moved by the furniture hinges into a position in which the first furniture part and the second furniture part are aligned so as to be substantially coplanar relative to each other whereby the cover portion is substantially covered by the first furniture part and/or the second furniture part.

Abstract: A tonneau cover structured to cover a pickup truck cargo bed includes a first cover panel having an exterior surface along a first side of the first cover panel. A transition cover panel is connected to the first cover panel so as to be rotatable with respect to the first cover panel about a first axis of rotation, to both a first side of a first reference plane and a second side of the first reference plane opposite the first side of the first reference plane. A second cover panel is rotatably connected to the transition cover panel so as to be rotatable with respect to the transition cover panel about a second axis of rotation to both a first side of a second reference plane also to a second side of the second reference plane opposite the first side of the second reference plane.

Abstract: A closure device for a chamber housing a laser units for cutting a sheet metal strip includes, in proximity of an exit slit of the strip to be machined, a bar arranged transversely to the axis of advancement of the strip, and having, at the lower edges of the major side surfaces, longitudinal edges of a U-folded plate bound thereto. The plate has a plurality of transverse slots ending before its edges. An actuator provided for a vertical movement of the bar.

Abstract: A pickup truck having a tonneau cover is provided. The tonneau cover includes a first panel section pivotable with respect to the opposing first and second upward-extending side walls. A first latching assembly is attached to the first panel section and is configured to selectively secure and release the first panel section with respect to the first and second side walls of the pickup truck. The first latching assembly includes first and second pinch latch assemblies. The first pinch latch assembly is located adjacent the first upward-extending side wall of the pickup truck and the second pinch latch assembly is located adjacent the second upward-extending side wall of the pickup truck.

Abstract: A folding device as room closure has a frame and a chain of panels arranged therein. The panels are pivotably connected by alternate first and second hinge arrangements and foldable from a stretched-out closed position into an open accordion fold arrangement. First hinge arrangements are guided on guide rails of the frame; second hinge arrangements are deflected away from the frame. In the closed position, the panels are sealed relative to each other and to the frame by frame seals extending at least partially along a sealing plane. An adjusting strip in front of a lateral frame part is adjustable to adjust a spacing between adjustable strip and lateral frame part for spatial adaption to an adjacent panel. The adjusting strip has a sealing contact surface aligned with the sealing plane and resting against a seal arranged on the lateral frame part and extending into the guide rails.

Abstract: A seal for a sill-free door for sealing a gap between a door leaf and a floor has a carrier rail (2) and a sealing profile (3) retained on the carrier rail (2). The sealing profile (3) has a substantially u-shaped cross section with two limbs (30) and a sealing crosspiece (32), which connects the two limbs (30) to one another and is intended for bearing with sealing action on the floor. There is a cavity (37) present, said cavity being defined by an underside (23) of the carrier rail (2), by the limbs (30) and by the sealing crosspiece (32), wherein the sealing profile (3), on each limb (30), has at least one strip (34) which is arranged on an inner side of the limb (30), projects into the cavity and is intended for improving the sound insulation. At least two strips (34) have a thickness which is greater than the thickness of the adjacent region of the limb (30). Said seal has optimized sound insulation.

Abstract: A tonneau cover system includes a plurality of panels coupled to first and second side rails. The panels include a first panel, a second panel, a third panel, and a spacer bar with the spacer bar fixed to the side rails. The first panel pivots relative to the spacer while the spacer remains fixed to the side rails. The third panel pivots relative to the second panel to permit the third panel to be located over the second panel while the spacer remains fixed to the side rails to define an intermediate folded position. The cover further includes a hinge assembly mounted between the second panel and the spacer to enable the second and third panels to pivot relative to the spacer as a unit from the intermediate position to a final position located at least over the spacer bar while the spacer bar remains fixed to the side rails.

Abstract: A door system for an elevator installation having an elevator car with a car door arranged to travel in an elevator shaft with shaft doors, wherein the car door is spaced from the shaft doors in a closed position of the door system. A primary pivot spindle is coupled to a pivotable door leaf of the shaft door or the car door and a secondary pivot spindle is coupled to a pivotable door leaf of the other of the car door and the shaft door. A drive unit includes a driven, pivotably mounted shaft to which a first entrainer and a second entrainer are fixed. During a pivoting movement of the shaft, the first entrainer engages a first counterpart element on the primary pivot spindle and the second entrainer engages a second counterpart element on the secondary pivot spindle to effect a pivoting movement of the door leaves.

Abstract: An ejector assembly for a movable furniture part, for example a drawer, composed of two ejector units that are interconnected by a synchronizing bar. The ejector units are provided for ejecting the movable furniture part in an opening direction of an item of furniture in relation to a furniture base unit of the item of furniture. The synchronizing bar synchronizes a switching function of the ejector units. At least one ejector unit is designed in such a manner that the synchronizing bar on a receptacle of the first ejector unit is slidable so far inward that said synchronizing bar may be introduced into a receptacle of an opposite second ejector unit. A positioning member for positioning the synchronizing bar in a functional position between the ejector units is provided.

Abstract: The present invention is directed to a roll-up, flexible, sound-attenuating wall system. More particularly, this invention relates to a retractable wall system and its components which may be used to divide existing larger spaces into smaller spaces with sound-attenuating barriers. In each unit the flexible, sound-attenuating wall is attached to a receiver tube which, when turned on its axis, deploys or retracts the flexible, sound-attenuating wall. The flexible, sound-attenuating wall is guided by a guide roller to intersect with other flexible, sound-attenuating walls at various angles. The receiver tube and guide roller are attached at either end to independent support brackets. This invention discloses a plurality of interlocking connector systems for connecting a plurality of flexible, sound-attenuating walls at various angles.

Abstract: The panel system includes lower and upper guides and at least one panel located between and connected to them, to move the panel on the lower guide. The panel system includes a hinge element fixed to the panel and allows the panel to be opened by turning essentially around a rotation axis. The panel system further includes at least two locking housings positioned successively on the upper guide. The locking housings include two opposite locking recesses, defining a circle with radius R3 and between which remains a passage with width P2. The hinge element can travel from one locking housing to another through the passage. The distance between the locking housings is distance P1, configured to be less than two times radius R3. The hinge element may include two locking cams and in addition a guiding edge remaining between them. The panel system locking arrangement includes the hinge element.

Abstract: A hot/cold aisle air containment system includes a frame structure, at least one electronic equipment enclosure installed at least partially within the frame structure, and a header panel assembly. The frame structure adapted to be at least partially covered by one or more panels to define an interior space and includes at least one horizontal member. The header panel assembly is installed between a top of the at least one electronic equipment enclosure and the at least one horizontal member of the frame structure to prevent circulation of air above the enclosure. The header panel assembly includes a pair of panels. A first of the pair of panels is adjustable horizontally relative to a second of the pair of panels, and the pair of panels, together, are adjustable vertically relative to the least one horizontal member.

Abstract: Described is a display chiller including internally a containment compartment (3) equipped with shelves (7), a front opening (5) for allowing access to the containment compartment (3), and at least a pair of doors (6) hinged about respective axes (X) and openable towards the inside of the containment compartment (3) so as to use the gap (8) existing between the shelves (7) and the doors (6) and designed for the circulation of cooling air.

Abstract: A combination cabinet includes at least one pair of door frames, at least one separation bar mounted between the door frames, a pair of fixing seats mounted on the separation bar, and a plurality of pivot pieces each mounted in a respective one of the door frames and each pivotally connected with a respective one of the fixing seats. The separation bar has an upper end and a lower end each provided with a slot for mounting a respective one of the fixing seats. Each of the fixing seats has a side provided with an insert inserted into the respective slot of the separation bar. Thus, the separation bar closes the gap between the door frames during pivotal movement of the door frames, thereby preventing a person from being clamped or hurt by the gap between the door frames.

Abstract: A guide assembly for a folding panel assembly or system, the guide assembly including a first body section for locating the assembly in a guide channel and a second body section for carrying a bolt that passes through a hinge for attachment to a folding panel, wherein the second body section is pivotally mounted to the first body section so as to adopt either a left or right handed orientation relative to the first body section.

Abstract: The foldable sliding wall includes at least a first and a second wall element that are pivotally connected to one another and pivotally held by a first and a second head carriage, which are displaceably supported in a head rail. A first head fitting is mounted at the upper side of the first wall element and is connected to a first shaft, which is supported in a first carriage body of the first head carriage and a second head fitting is mounted at the upper side of the second wall element and is connected to a second shaft, which is supported in a second carriage body of the second head carriage.

Abstract: The invention relates to a windbreak system formed by a set of independent, folding panels that move longitudinally along an upper guide rail and another, lower guide rail and a non-movable folding door, in which each panel and the door include a rotating shaft and folding shaft. The panels are moved manually and do not have rollers, the entire weight of the panels resting on two strips of self-lubricating polymer inserted into slots in the lower rail.

Abstract: A remote control system for use with a movable partition comprises a motor configured to drive movement of a movable partition of a movable partition system, a processor coupled with the motor to generate an actuation signal to control the motor, and a remote control switch coupled with the motor and configured to transmit a trigger signal to the processor in response to receiving an activation signal from a remote control key. The processor is configured to control the motor to drive the movable partition to a predetermined position along a track in response to the trigger signal. A method of driving a movable partition comprises receiving an activation signal from a remote control key, and driving the movable partition to an intermediate position along a track to provide access to user interface elements of the movable partition in response to receiving the activation signal.

Abstract: To the top or bottom edge of a bi-fold door panel near either its pivoting or channel guided mechanisms is attached a base plate with an opening in it through which is passed into the panel either pivoting or track sliding hardware. A clamping plate is attached to the panel's face at that site to provide strong lateral support so that pin wobble is avoided. A backing plate may also be attached to the opposing side of the panel for reinforcement. It is generally necessary to drill some holes in the door to complete the arrangement. If desired, the plates may be welded to one another along an edge or otherwise manufactured as one-piece unified structure. The hardware may be sold in kits for repair or preventive maintenance. Undertaking the steps involved provides a reliable method toward that end.

Abstract: A method and apparatus that controls access to a secured area using an automated gate controlled secured environment is disclosed. The method may include receiving an indication that an individual attempting to pass through a clearance area has not been authorized to pass through the clearance area, automatically moving one or more gates to create a channel for the non-authorized individual to be directed to a manual screening area, determining if the non-authorized individual has passed one or more sensor; wherein if the non-authorized individual has been determined to have passed the one or more sensor, then moving a gate located behind the non-authorized individual to enable other authorized individuals to pass through the clearance area while maintaining the channel created to the manual screening area, and preventing the non-authorized individual from gaining access to the automated gate controlled secured environment once the non-authorized individual reaches the manual screening area.

Abstract: An accordion partition has a pair of panels having adjacent vertical inner and outer side edges interconnected by a hinge. Horizontal and generally parallel upper ceiling and lower floor tracks extend above and below the pair of panels, and upper and lower trolley hardware on each of the panels rides in the respective tracks so that the panels can move horizontally relative to one another. Respective latches on each of the outer edges can move between locked positions engaged in one of the tracks and an unlocked position clear of the one track. Coupling elements on both of the latches interengage only in the extended use position for shifting both of the latches synchronously between the respective locked and unlocked positions. An actuator on only one of the latches manually shifts the one latch between the locked and unlocked position.

Abstract: Movable partition systems include a movable partition and an intumescent material positioned to seal a gap at a periphery of the partition. In some embodiments, masses of intumescent material may be shaped and positioned to expand toward one another, contact one another, and form a seal therebetween at a periphery of the partition when the movable partition is exposed to fire. A fire barrier may be provided by extending a partition along a track assembly, and heating an intumescent material to cause the intumescent material to expand, char, and form a seal extending along at least a portion of a periphery of the movable partition. Upon installing a movable partition, at least one mass of intumescent material may be positioned to seal at least a section of a gap at a periphery of the movable partition when the at least one mass of intumescent material is exposed to fire.

Abstract: A folding panel assembly includes at least first and second, substantially rectangular panels, the first panel having first and second vertical ends, and the second panel having third and fourth vertical ends, the second and third vertical ends being hinged to one another about a hinge axis parallel thereto. An actuating system includes a substantially horizontal track, with a first pivot support for connection to the first panel, a carriage traversable along the track, with a second pivot support for connection to the second panel. The actuating system further includes a flexible drive element arranged parallel to the track and engaging the carriage for traversing it along the track. The actuating system employs an elongated connecting rod with a first longitudinal end pivotally connected to the carriage and a second, opposite longitudinal end pivotally connected to the first panel at a location adjacent to the second vertical end thereof.

Abstract: The present application is directed to a manual or automatic flush threshold door seal system used on folding exterior doors along with an alternate embodiment for conventional exterior entryway doors that will not impede the passage of a wheelchair. A flexible weather seal can be put in a retracted or down position within an aluminum extrusion imbedded within the threshold providing a flush access surface and may be raised up into the upright position providing an adequate weather seal.

Abstract: A leading end assembly for a movable partition may include a jamb plate for coupling the leading end assembly to at least one panel of a movable partition and a leading end cover coupled to the jamb plate and being movable relative to the jamb plate. The leading end assembly may include an at least substantially planar leading surface having a size and shape configured to at least substantially cover an opening to a storage pocket for a movable partition. A movable partition assembly may include a leading end structure configured to at least substantially cover an opening to a storage pocket. Methods of installing a movable partition assembly include forming a leading end structure to at least substantially cover an opening to a storage pocket. Methods of using a movable partition include covering an opening to a storage pocket with a leading end structure coupled to the movable partition.

Abstract: A closure assembly of an opening in a building has at least two mutually pivoted panels mounted with the pivot axis at least substantially vertical. The panels are movable between a closed condition whereby the panels provide at least a partial closure of the opening in or substantially parallel to the plane of the opening, and an opened condition whereby the panels, mutually disaligned by having pivoted towards each other, are substantially clear of the plane. A proximate panel is pivoted by a vertical pivot axis substantially in the plane of the opening adjacent a vertical periphery of the opening. The distal region of the distal panel is supported by a supporting runner. The supporting runner is guided by a support track which is skewed with respect to the plane of the opening and which spaces the supporting runner out of the plane of the opening at the vertical periphery.

Abstract: An exemplary display device includes a support member, a pair of displays slidably attached to the support member, and positioning members disposed between the displays and the support member. The support member includes a straight slideway, and a curved slideway defined therein. The curved slideway includes a slanting portion, and a first straight portion and a second straight portion extending out from opposite ends of the slanting portion. The straight slideway is parallel to the first straight portion of the curved slideway and in line with the second straight portion of the curved slideway. The displays are slidably received in the straight slideway and the curved slideway respectively. The displays may be positioned to form a large screen, or slid to overlap leaving a single display visible.

Abstract: A shutter system, comprising a frame assembly including first and second track members, each having first and second ends, and first and second end spacer members rigidly mounted to said first and second ends, respectively, so that said frame assembly defines a rectangular opening cooperatively larger than the opening of a window or door to be protected. A predetermined number of articulated and stackable slats having each first and second longitudinal sides, and first and second end sides. The slats being hingedly mounted to abutting slats, and further including a corresponding number of hinge pins journaled by the curved longitudinal folds of the longitudinal sides of abutting slats. The hinge pins have a cooperative length that extends beyond the width of the slats. The ends are removably lodged within the slots in the track members when deployed for protection of the window or door.

Abstract: A modular window blind assembly includes a blind-mounting frame adapted to be mounted on a window/door frame and including two vertical frame members and two horizontal frame members, a pleated blind having top and bottom ends connected detachably and respectively to the horizontal frame members, and a slide mounted detachably between and slidable relative to the horizontal frame members. First and second positioning plates are provided respectively at two opposite ends of the pleated blind between the top and bottom ends of the same. The first positioning plate is connected detachably to one of the vertical frame members. The slide is connected detachably to the second positioning plate, and has a receiving space to receive substantially entirely the pleated blind when the pleated blind is folded.

Abstract: A horizontal-pulling roll screen door for which the right/left hand can be set or changed easily and safely even by a layman and in a screen door in which a net wound up by a winding shaft of a movable stile is made capable of opening/closing by horizontal pulling. First and second caps rotatably supporting the winding shaft are mounted at the both ends of the movable stile capable of replacement by each other. A lock mechanism which can hold a locked state as necessary is provided between a connecting cylindrical shaft connected to the winding shaft and an intermediate support member connected to the first or the second cap unrotatably and removably. Rotation of the winding shaft by an urging force of a winding spring is prevented by this lock mechanism even when the both caps are removed for assembling or change of the right/left hand.

Abstract: A sectional overhead door includes a window and associated grille and clip for mounting on the panel of the door. The window is mounted by a frame on both the front face and back face of the sectional door panel. The window grille is mounted to the front of the door panel and couples to the frame members on the front face of the panel. The underside of the grille is juxtaposed to the window or glazing element in the frame. The rear face of the grille includes a groove and the lateral sides of each grille member include a pair of rails or channels. A uniquely designed clip fits within the groove and channels. A forwardly projecting tang extends from the central body portion of the clip and is adapted to project into a hole or opening in the window frame when the clip slides relative to the grille member. Another aspect of this invention is that selected terminal ends of the grille members are similarly configured to include tabs that seat within notches in the window frame.

Abstract: Methods and apparatuses are disclosed for laterally restraining a movable partition. In one embodiment, a movable partition includes two laterally spaced structures wherein each structure includes a plurality of hingedly coupled panels. A lateral restraint mechanism is located and configured to prevent lateral displacement of one or both of the two laterally spaced structures. In one embodiment, at least one bracket is substantially rigidly coupled to a hinge of the first structure and a laterally adjacent hinge of the second structure. The at least one bracket may include multiple brackets. Some described methods include laterally restraining lower edge of a movable partition as well as the installation of lateral restraint brackets including the plumbing, spacing and squaring of the structures in conjunction with such installation.

Abstract: An auto-reversible folding door includes a sliding rail, a first door panel and a second door panel. The first door panel and the second door panel are pivotally connected, the top of the outer flange of the first door panel is pivotally coupled within the sliding rail, a clamping device located inside a sliding rail can clamp an inserting clasp of the guide pulley at the upper portion of the second door panel, a swivel spring having a first end attached to the sliding rail, a second end linked to the guide pulley of the second door panel. When pulling the second door panel toward the first door panel, the inserting clasp and the clamping device are positioned by the interlock relationship. When pressing the second door panel, the clamping device will release the inserting clasp and the second door panel is pulled back to its original position.

Abstract: A DIY window curtain able to be combined by a user includes a plurality of hang rods and a pulley base. The hang rods are respectively inserted through the hang hole of a curtain, which is formed with pleated edges according to the length of each hang rod. The pulley base is provided with two symmetrical combining members to be symmetrically combined and fitted around the hang rod. The pulley base is fixed with a pulley rod having its pulley fitted in the rail groove of a sliding rail, enabling the window curtain to be assembled, shrunk or expanded.

Abstract: A latch assembly is provided having a deadbolt rod assembly, and a first lock actuating means for moving the latch assembly between an unlocked position, wherein the deadbolt rod assembly is in a retracted position and a locked position, wherein the deadbolt rod assembly is in an extended position. The latch assembly further includes a second lock actuating means for moving the latch assembly between the unlocked position, the locked position, and a lockout position wherein the deadbolt rod assembly is extended but cannot be retracted by the first lock actuating means.

Abstract: The present invention is an exterior window covering or exterior shutter that is comprised of layers of materials to form a sandwich. The sandwich material has a layer of polycarbonate material. An embodiment of the sandwich material is comprised completely of synthetic materials that are resistant to the adverse effects of sunlight, humidity, rain, heat and wind. The polycarbonate material yields an exterior shutter that retards flying objects and withstands substantial stresses from wind loads.

Abstract: An apparatus for providing a smoke barrier through a doorway comprising a door coupled to a doorframe and a threshold on the floor between the doorframe. A movable seal assembly is coupled to the threshold and a first seal is coupled to the doorframe for contacting a top and two sides of the door when the door is in the closed position. A bottom seal is coupled to the movable seal assembly for contacting a bottom of the door when the door is in the closed position.

Abstract: A folding device as a room divider or room closure has at least one wing chain of interconnected wings that upon opening of the folding device are folded against one another. One wing side has guide elements providing pivot axes received in guide rails such that the wings are slidably guided. One wing is an opening wing connected only to a single neighboring wing and has a free wing edge guided in the guide rails. At least one guide rail has a stop across which the wings cannot move. The free wing edge has a profiled strip at a side facing the stop. The profiled strip projects past the pivot axis of the guide element provided at the free wing edge and has a slanted portion facing the stop and slanted in a direction toward the free wing edge. The slanted portion extends at least across the stop height.

Abstract: A panel system comprises at least one bi-fold panel assembly (2, 3) of two panels hinged together along one edge (18) of each so as to be foldable thereabout, with at least one edge (20, 22, 24, 26) of the bi-fold panel assembly (2, 3) supported by a hinge device (30, 32, 34, 36) comprising two parallel pivot supports spaced apart in a plane orthogonal to pivot axes thereof, and a connecting link for in-situ connection therebetween. Hence the bi-fold panel assembly (2, 3) can be optionally connected in-situ by the connecting link to thereby obtain optional configurations of the panel system.

Abstract: A variable pivot mount 11 is used to adjustably mount a door or window panel to a jamb. The pivot mount has a hinge pin 12 defining the pivot axis of the panel, and an arm 19 extending transversely to the hinge pin 12. The arm 19 locates in a socket 27 mounted to the jamb, and is axially slidable therein to accommodate lateral displacement of the hinge axis, e.g. due to out-of-square movements of the panel. The arm 19 may be biased to a rest position. The pivot mount can also be used as a floating intermediate hinge mount 40 for a door or window panel 41.

Abstract: A sash system comprises a pair of sash doors including an inner sash door and an outer sash door; an upper sash frame and a lower sash frame; and an inner guide rail built in the upper frame and an outer guide rail built in the lower frame, the door front frame and the door end frame corresponding to each sash door being engaged with the inner guide rail and with the outer guide rail, respectively. Each of the sash doors includes a vertical door front frame, a vertical door end frame, and a pair of horizontal divider panels joined by an intermediate locking frame and connecting the door front frame and the end frame. The intermediate interlocking frame being foldable with respect to a vertical shaft thereof, and is engaged so as to be detachable from each guide rail or from an interlocking frame guide rail in parallel to each guide rail.

Abstract: The handling door for an industrial building comprising vertical uprights (2, 3) between which there slides sideways, from an open position to a closed position, via drive elements (7), a screen (4) made up of semi-rigid leaves (5) connected to one another, comprises guide elements (8) which consist of superposed and parallel horizontal tubes (17, 19) connecting the uprights (2, 3) together and of oblong and parallel openings (18, 20) formed in each of the semi-rigid leaves (5) of the screen (4) to allow the tubes to pass in a horizontal direction through the semi-rigid leaves (5) so as to guide the latter as they are moved from an open position to a closed position by drive elements (7).

Abstract: A combined electric/manual folding door 100 of the invention comprises: a small door (60) having a pivot on one side edge, and a large door 50 foldably connected to the small door 60 via a hinge 9. The width of the small door 60 to the large door 50 is set at 1:2. A guide roller 8 is attached to an upper face central portion of the large door 50. The guide roller 8 can move freely inside a suspension rail 7 arranged parallel with the upper side of the doors 50, 60. An electric drive section 3 drives the large door 50 via a rotation rod 5. The electric drive section 3 also drives when a load is detected applied to door pulls 21, 22 for manual opening and closing, to thereby assist the manual opening and closing.

Abstract: An independent transport container or a transport container mounted on a vehicle such as a truck, trailer or railway car, includes a generally rectangular-shaped horizontal loading surface whereby at least one lateral surface is fitted with tarpaulin side walls that are mounted in such a way that they can slide in a longitudinal direction on an upper rail. The tarpaulin side walls are hooked to a set of rigid louvers which can be folded like an accordion, whereby the upper end of the louvers slides on an upper rail with the aid of carriages which are provided with casters and the lower end slides on a lower rail, bearing the upper rail, with the aid of lower chariots which are provided with rollers.

Abstract: A door closing mechanism for pulling a door tight to a frame to which the door is mounted comprises a latch arm assembly having a latch arm pivotally secured to a panel of the door and pivotable between a first, open position and a second, latched position. An activating mechanism is operably connected to the latch arm assembly by a connecting apparatus and actuates the latch arm between its first and second positions. A latch member is secured to the jamb in which the door is mounted and is arranged and constructed so that when the latch arm is moved into its second, closed position, the latch arm engages the latch member and exerts force upon the latch member in a direction substantially normal to the plane of the door so as to cause the door to contact the door frame over substantially its entire height.

Abstract: The present invention relates to a modular upright for building structures and a sliding safety grille which can be obtained by assembling these uprights. In a preferred embodiment, the modular upright (10) comprises a pair of anti-cutting reinforcing elements (1) which are lined by U-shaped modular elements (3) alternating with joining elements (2) and fastened together by at least one anti-pulling element (6) sliding vertically between two joining elements (2), in the space between the surface of the reinforcing elements (1) and the U-shaped modular elements (3).

Abstract: A cab for earth-moving machines having a center of rotation and an operating radius corresponding to the maximum dimensions of the cab during the rotation of the machine, comprising a closed structure having at least an opening, and at least a door hinged to the structure in correspondence with the opening, movable from a closed position to an open position, and comprising at least a first and a second wing mutually connected in bellows-like fashion and such that, in the open position, the distance of all points of the door from the center of rotation is lesser than the operating radius. The cab can further comprise at least a guide obtained in proximity to the edge of the opening, and at least a guide element integral with the door and slidingly engaged to the guide to guide the movements of the door.

Abstract: A bi-fold door assembly which includes an overcenter spring-biased hinge assembly comprising first and second hinge members including first and second mounting positions fixedly connected with first and second door panels respectively, interengaging axially aligned hinge portions constructed and arranged to receive a hinge pin therethrough establishing a vertical hinge axis between the two door panels and a spring constructed and arranged to provide oppositely directed spring forces. Each spring is constructed and arranged with respect to the first and second hinge members so that the opposed spring forces provided by the spring are applied to the first and second hinge members to bias the first and second door panels into the closed position when the door panels are near the closed position and to bias the first and second door panels into the opened position when the door panels are near the opened position.

Abstract: A bifold door assembly includes two foldable door panels disposed in edge adjacent relation in a door closed position and including vertically spaced hinges connected adjacent center edges of the two panels and allowing folding motion of the panels between a longitudinally aligned closed position and alternative forward and rear pivoted side by side laterally extending open positions. Each of the door panels has an upper hinge member adjacent an outer edge of the respective panel and pivotable on carrier movable along a longitudinal upper track from a first position near one end of the track to a second position spaced inward from an opposite end of the track. At least one of the door panels also has a lower hinge member adjacent an outer edge of the respective panel and pivotably connected with carrier movable along a longitudinal lower track from a first position near one end of the track to a second position spaced longitudinally from said one end of the track.