Abstract: A door hanger (140) is disclosed for use in installation of a door assembly (100). The door hanger (140) includes a jamb arm (142) with a triangular shaped edge (144), and proximate shorter edges (145) formed inwardly from the triangular shaped edge (144) and perpendicular to each other. A pair of opposing faces (143) are formed by the triangular shaped edge (144) and the proximate edges (145), and a central hole (146) is located substantially in the center of the opposing faces (143). An alignment flange (150) is perpendicular to the jamb arm (142) and includes a distal arcuate edge (152). The arcuate edge (152) has a configuration substantially conforming to the legs of a triangle. Formed inwardly from the distal arcuate edge (152) are a pair of opposing sides (154), with sets of alignment notches (156) formed on the opposing sides (154).

Abstract: A kit for installing a door assembly including a plurality of door frame brackets adapted to be attached to a door frame and to a wall having an opening in which the door assembly is to be installed and a lockset bracket adapted to be attached to a lockset hole formed in an edge surface of the door and to the door frame, the lockset bracket being operable to fix the door in relation to the door frame and the door frame brackets being operable to fix the door assembly relative to the opening.

Abstract: A fall safety barrier for use around a hole has anchor means removably secured adjacent a perimeter of the hole, first collapsible barrier means pivotally mounted about a first pivot location of the anchor means, and second collapsible barrier means pivotally mounted about a second pivot location of the anchor means opposite the first location. There are means for allowing the first collapsible barrier means to pivot between a first contracted position, where it lays upon the second collapsible barrier means, and a first expanded position, where it is upright and forms a first side of the fall safety barrier. There are also means for allowing the second collapsible barrier means to pivot between a second contracted position, where it lays adjacent the anchor means, and a second expanded position, where it is upright and forms a second side of the fall safety barrier opposite the first side.

Abstract: A vehicle window assembly, preferably for the rear of a pickup cab having a sliding glass member, is provided with a window frame molding having an integrated fluid inlet, fluid outlet and circuitous flow channel that doubles back on itself and connects the fluid inlet with the fluid outlet to permit fluid flow through the molding, thereby permitting water that has entered through the sliding glass member to drain from interior compartment to the outside of the vehicle while minimizing the introduction of road and wind noise in the interior compartment.

Abstract: A sliding window assembly has at least one sliding pane mounted for travel along a travel path between a closed position in a first plane and an open position in an offset second plane substantially parallel to the first plane. The window assembly has travel guide apparatus for guiding its movement along the travel path between the open and closed positions. The travel guide apparatus includes a track defining an elongate slot corresponding to the travel path, a fixed guide surface having a fixed position relative to the track, e.g., a pivot pin, and components cooperatively operative as a cam and slide movement for guiding travel of the sliding pane between its open and closed positions. Typically, for generally rectilinear sliding panes, a track, guide surface and cam and slide movement are provided for each corner of the sliding pane.

Abstract: The present specification provides a rear window assembly for a vehicle having a window frame, at least one fixed window panel whose perimeter edge defines a portion of an opening, a movable window panel capable of opening or closing the opening and that is allowed to slidably move past the surface of the fixed window panel, a seal member present on the perimeter surface of at least one of the window panels, and a closure track integrally formed in at least one edge of the window frame. The closure track may force the movable window panel and the fixed window panel closer together, thereby, placing the seal member under compression.

Abstract: A door leaf for external sliding doors of railway cars. The door leaf includes a frame and at least one partially transparent panel.

Abstract: A sliding window assembly for a vehicle includes a track member defining a channel. The track member further defines a gap that extends laterally into the channel having a gap length along the track member. The sliding window assembly further includes a sliding panel having an edge. The sliding window assembly includes a shoe extending from the sliding panel and engages the track member to support the sliding panel on the track member. The shoe has a shoe length that is parallel with the track member. The shoe length is less than the gap length to allow for removal of the sliding panel by aligning and passing the shoe through the gap.

Abstract: An installation kit for a pre-hung door assembly having a door frame and a door. The kit comprising a plurality of door frame brackets for attaching the door frame to an opening in a wall in which the pre-hung door assembly is to be installed, a plurality of door brackets adapted to be attached to the door and to the door frame, and a lockset bracket adapted to be attached to the door and to the door frame. The door brackets and the lockset bracket being operable to fix the door in relation to the door frame and the door frame brackets being operable to fix the door assembly relative to the opening.

Abstract: A window assembly of a motor vehicle includes a pair of spaced-apart fixed window panes forming an opening therebetween, vertically spaced-apart upper and lower tracks, a sliding window pane having opposed upper and lower edges that move along the upper and lower tracks, and a camming mechanism including a plurality of cams. The cams are pivotably secured to the sliding window pane near corners of the sliding window pane. An actuator is operatively connected to the cams for selectively and simultaneously pivoting the cams. Simultaneously pivoting the cams forcibly moves the sliding window pane between a closed position wherein an outside surface of the sliding window pane is in a first plane substantially flush with an outer surface of the fixed window panes and an open position wherein the outside surface of the sliding window pane is in a second plane substantially parallel to and offset from the first plane.

Abstract: A sliding window for a vehicle, in particular a motor vehicle, comprises a fixed component and a moving component. To provide a drivable sliding window, a drivable pinion (3) is rotatably supported at the fixed component and a rack (2) is provided at the moving component and the pinion (3) engages into it.

Abstract: The invention relates to an infill which can be inserted into a bollard footing hole. The infill is designed such that it allows a bollard to be fit over it, and the infill fits within a footing hole. Methods of covering a footing hole are also bought.

Abstract: A sliding window assembly has at least one sliding pane mounted for travel along a travel path between a closed position in a first plane and an open position in an offset second plane substantially parallel to the first plane. The window assembly has travel guide apparatus for guiding its movement along the travel path between the open and closed positions. The travel guide apparatus includes a track defining an elongate slot corresponding to the travel path, a fixed guide surface having a fixed position relative to the track, e.g., a pivot pin, and components cooperatively operative as a cam and slide movement for guiding travel of the sliding pane between its open and closed positions. Typically, for generally rectilinear sliding panes, a track, guide surface and cam and slide movement are provided for each corner of the sliding pane.

Abstract: Door and frame assemblies are disclosed by the present application. In one exemplary embodiment, the a door is connected to a door frame, such that the door is moveable between an open position and a closed position. Activation of a trigger causes a door frame coupling arrangement to couple the door frame to the door in a closed position to thereby inhibit movement of the door relative to the frame. In another exemplary embodiment, a door is coupled to a door frame by a hinge. The hinge is configured to move the door in translation as the door is rotated from the open position to the closed position. For example, the hinge may move the door downward, toward the sill, when the door is moved from the open position to the closed position.

Abstract: A sliding window assembly for a vehicle includes an upper track member, a lower track member, and a carrier component. The track members each define a first channel having a first depth, a second channel having a second depth, and a third channel having a third depth less than each of the first and second depths. The carrier component includes upper and lower edges. Each edge has a first tab extending to a first length and a second tab extending to a second length. The carrier component slides in the track members to move between an open and a closed position. The first tabs slide in the first channels, the second tabs slide in the second channels, and the edges of the carrier component slide in the third channels. The first lengths correspond to the first depths and the second lengths correspond to the second depths so the tabs appropriately fit in their respective channels.

Abstract: Methods for installing a door assembly in a rough opening at a job site include performing the following steps at a location remote from the job site where the door is to be installed: positioning a door frame around a perimeter edge of a door panel; attaching the door panel to the door frame with a plurality of hinges to comprise a pre-hung door; retaining the door frame square with respect to the door panel; attaching a plurality of mounting brackets to the pre-hung door. The method also includes inserting the pre-hung door into the rough opening at the job site and attaching the mounting brackets to the rough opening to support the door panel for opening and closing before the door frame is attached to the rough opening.

Abstract: A gate having a latching mechanism which requires two distinctly different unlatching movements which occur in distinctly different directions, but where both of these unlatching movements can be performed with the use of only one hand. In addition, timer/alarm capabilities are provided to emit an alert signal in situations where the gate has been opened and has not been reclosed within a given time interval after the gate was opened. The gate has a self-closing spring assembly arranged within a pivot assembly. All of the above capabilities are obtained through a greatly simplified design which is extremely rugged and provides highly reliable service.

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 system and method for installing an elevator door hatchway opening. The system comprises a steel square comprising a top piece, a bottom piece and left and right jambs, a door buck that is bolted to the steel square and at least one exterior hatchway door that is installed on a center portion of the steel square. The steel square is attached by at least one swing lock hinge to at least one elevator shaft way bracket while the steel square is angled outside of an elevator shaft way.

Abstract: A sliding window assembly for a vehicle includes an upper track member, a lower track member, and a sliding unit. The track members each define a first channel having a first depth, a second channel having a second depth, and a third channel having a third depth less than the first and second depths. The sliding unit includes upper and lower edges. Each edge has a first tab and a second tab extending from the edge. The sliding unit slides in the track members to move between an open and a closed position. The first tabs slide in the first channels, the second tabs slide in the second channels, and the edges slide in the third channels.

Abstract: A closure clip for a pre-hung door comprising a barrel, a barrel extension and a generally rigid fastening tab connected to the barrel opposite the barrel extension, the fastening tab having a reveal spacer tab and a jamb secure tab, whereby in operably fastening the closure clip to the pre-hung door assembly the barrel is inserted within the lockset bore while the barrel extension is inserted within the transverse jamb bore, the fastening tab extends from the door knob bore and across a portion of a face of the door and across a portion of the strike jamb, the reveal spacer tab is inserted in the door reveal and the jamb secure tab overlays a surface of the strike jamb opposite the door reveal and overlaying the transverse jamb bore.

Abstract: A closure panel assembly (10) includes a fixed panel (12) defining an opening (14), a pair of guide rails (16,18) disposed on opposite sides of the opening, and a sliding panel (26) supported by the guide rails for movement between a closed position over the opening and an open position. Cooperating surface features (46,48) on at least one guide rail and the sliding panel engage one another when the sliding panel is moved to the closed position, to laterally displace the sliding panel toward the fixed panel and thereby compress a seal (44) disposed therebetween. Additional surface features (54) on the guide rail similarly engage the sliding panel's surface features to displace the sliding panel toward the fixed panel when the sliding panel is in a partially-open position, to thereby at least partially compress the seal and create a frictional drag on the sliding panel resisting further movement.

Abstract: A pre-hung door having a door jamb and a door connected to the door jamb. The door has an opening formed therein for receiving door hardware. A pre-hanging door clip is operatively connected to the door and the door jamb to limit relative movement between the door and the door jamb. The pre-hanging door clip includes a movement limiting structure that extends through the opening in the door and that has one end thereof engaged with the door jamb. The pre-hanging door clip also includes a locking member that extends between the door and the door jamb to cooperatively interlock with the one end of the movement limiting structure such that relative movement between the door and the door jamb is limited.

Abstract: A temporary door latch for a door having a face bore and an edge bore where the edge bore extends from the face bore to a lateral edge of the door. The edge bore is disposed in substantial alignment with a strike bore of a door jam. The temporary door latch includes a longitudinal bolt portion that is dimensioned to extend through the edge bore and into the strike bore when the bolt portion is in a latching position. An actuation member is disposed adjacent one distal end of the bolt portion and is selectively operable to move the bolt portion between the latching position and a non-latching position. A flexible neck portion is also provided to connect the actuation member to the bolt portion, the neck portion selectively permitting the actuation member to bend in a substantially perpendicular direction to a longitudinal axis of the bolt portion.

Abstract: A vehicular rear window assembly for a vehicle comprises a first fixed pane, a second fixed pane, and a sliding pane, which is supported for horizontal movement between open and closed positions. The window assembly includes a support system with an upper horizontal member, a lower horizontal member, and a pair of spaced apart vertical members, which interconnect the upper horizontal member and the lower horizontal member to define a central opening. The fixed panes adhesively mount to the upper and lower horizontal members. The vertical members have exposed exterior surfaces that are preferably generally flush with the exterior surface of the fixed panes.

Abstract: A lift handle for building systems such as door assemblies and window assemblies. The handle comprising a flange and a channel disposed proximate the flange. The flange comprises a first surface and a second surface. The first surface is adapted to be coupled with the frame of the door or window assembly and the channel is adapted to be coupled with a nailing fin of the frame for moving the frame via the nailing fin.

Abstract: A windowpane is supported in a gasket by a support member so that a space for allowing the windowpane to shift therein is ensured between an end surface of the windowpane and a surface in a channel of the gasket facing the end surface, the gasket having the channel for receiving a peripheral edge of the windowpane, and the support member being removable from the gasket. The windowpane can be easily removed from a body panel by removing the support member and shifting the windowpane into the space.

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 door framing apparatus provided wherein a set of four spacer/retainer clips permits easy installation of a pre-hung door jamb assembly by a single installer. The clips maintain a uniform reveal space around the door, protects the assemblies from damage during shipping and holds the door together during shipment and installation.

Abstract: The invention is directed to a skid plate and a method for attaching the skid plate to the bottom surface of a pre-hung door assembly to improve wear and moisture resistance. The skid plate includes a first side having a first shaped portion configured to conform to the bottom end of a first doorjamb arrangement and a second side having a second shaped portion configured to conform to the bottom end of a second doorjamb arrangement. The method for attaching the skid plate to the pre-hung door bottom surface includes applying an adhesive to bond the skid plate to the bottom surface, positioning the skid plate so that the first shaped portion and the second shaped portion align with their respective doorjamb ends, engaging tabs against the frame side surface to the doorjambs, and driving fasteners through the skid plate and tabs.

Abstract: A one-piece, unitary installation aid is provided for holding a door in place relative to a door frame in a pre-hung door assembly during transportation and installation of the door assembly in a building. The installation aid includes a wall having a inner surface and an outer surface, a door clip extending from the wall inner surface and a jamb clip extending from the wall outer surface. The door clip is sized to fit over the door, and the jamb clip is sized to fit over the jamb. The door clip and jamb clip interact with the door and the jamb, respectively, to positively hold the door closed in the frame and to prevent pivoting of the door in the frame.

Abstract: The present invention provides a vertical slider window system which integrates fixed panes and one and more sliding panes into an integrated unit that is easier to handle and install in an opening of a vehicle (such as the rear window or backlite of a pickup truck or similar style light truck vehicle) and, further, which seals the sliding pane.

Abstract: A door assembly allows one to easily and freely change a hinged side and an opening direction of a door when or after a resident moves into a house. Detachable inner frames having doorstop portions, flat portions, and locking nails are mounted to locking grooves in left and right vertical outer frames around spacers and a door main body is mounted to a heelpost side flat portion through hinges. By dividing a doorframe into the vertical outer frames and the inner frames, in order to change a hinged side of the door, the inner frames are pulled out from the vertical outer frames and inserted into the locking grooves in the vertical outer frames after changing orientation of the inner frames according to the hinged side or exchanging the inner frames for the inner frames suitable for the hinged side and the opening direction to thereby easily change the hinged side of the door main body.

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: The present application discloses a door kit for installation across an opening formed through the wall of a building. The door kit has a power-operated door latch and a power-operator door operator.

Abstract: The movable class-partitioning divider for an illustrative airliner passenger cabin comprises in particular: a device to lock said divider into a mooring adapter selected during the translation of the divider along a guide rail configured longitudinally in said cabin and unlocking it before such translation takes place; a device connecting at least one first connector, which is firmly affixed to a movable support mounted on a longitudinal rail solidly joined to the cabin, to a second connector solidly which is firmly affixed to said mooring adapter; a device operating said locking and connecting devices during translational operation; a device to preclude actuating said operating devices as long as at least the first connector is outside a given connection zone to said second connector firmly affixed to said mooring adapter. Application: passenger transportation.

Abstract: A door support system and method are provided for manufacturers and distributors of pre-hung door assemblies as used in homes and other buildings. The door support system includes a molded, polymeric corner member, retainer which fits within the latch throat of the door and a door rest which is positioned on the edge of the door, between the threshold and the door bottom. With the door support system installed, the pre-hung door assembly can easily be transported and installed without damage or injury, even with rough handling.

Abstract: A pressure vessel, such as a bench top sterilizer, including a pressurizable chamber housing having an interior for receiving items to be sterilized. The chamber housing includes an access opening and the sterilizer or pressure vessel includes a door with hinge structure facilitating door movement between an opened condition, a latch condition and a latched and sealed condition. A seal is connected with at least one of the chamber housing and the door and is disposed in sealing engagement around the access opening when the door is in the latched and sealed condition. After latch structure on the door is initially actuated by a user, a motorized drive mechanism with a rotatable output connects with the latch structure such that rotation of the output moves the door from the initially latched condition to the latched and sealed condition.

Abstract: A door hanging retaining alignment plug for a pre-hung door assembly. The pre-hung door assembly including a door having a first bore opening along its free swinging edge for accommodating a retractable bolt or lock and a second bore opening along a face of the door for accommodating a lock box and communicating with the first bore. The retaining alignment plug comprises an elongated strap formed of a flexible material and a cylindrical member projecting longitudinally from one end of the strap and adaptable for seating in the first bore. The strap being adaptable for extending outwardly of the second bore, across the face of the door and the marginal edge of the jamb and across a portion of the jamb face for securing the strap to the jamb face. The strap is secured to the jamb by a suitable nail or staple.

Abstract: A multi-purpose camper shell front window and frame assembly, for allowing quick and easy removal of a front camper shell window, without removal of the camper shell from the truck, to facilitate cleaning of the truck window and camper shell window; and for allowing use of one's choice among multiple front camper shell windows, including a picture window or a double pane sliding window; or for allowing use of a front pressure boot. A one piece outer frame assembly is readily secured to, or removed from, the camper shell front window aperture, and the picture window, sliding window, or pressure boot may be readily be installed within, or removed from, the outer frame assembly. Removal and reinstallation of a camper shell window, may easily be accomplished, without any special tools, in less than half an hour.

Abstract: An installation aid is provided for maintaining a door closed in a door frame during transportation and installation of a door assembly in a building. The installation aid can be used with both interior and exterior doors. The installation aid is a two piece assembly including a first portion which is received in the door and a second portion which is received on the back side of the strike jamb of the door assembly. The first portion has a head, a stem extending from the head, and a threaded shaft at an end of the stem. The second portion includes a washer and an internally threaded boss extending from the washer. The first portion shaft and second portion boss threadedly engage each other to hold the two pieces together, and hence to hold the door in position in the door frame during shipping and installation of the door.

Abstract: This invention relates to an improved sliding entrance door assembly for an elevator and to the method of installing the assembly. In one embodiment, the elevator sliding entrance door assembly comprises, viewed from the hallway, a sill, a left vertical post having a top portion, a right vertical post having a top portion and positioned parallel to the left post, a header formed with an open notch connected to the left and right posts, a door frame consisting of a strike jamb, head jamb and return jamb attached to the header, one post and sill. An elevator door track is attached to the header. The assembly also includes a sliding elevator door having rolling means to rollingly suspend the door from the track, the door being adjustable after being suspended through the opening formed in the header. In addition, the slide sill having a groove therein which defines a lower track for the door extends between the left post and the right post.

Abstract: A gate movement drive comprises a motor movement unit (11) with linear-movement actuator and a sensing device (14) for detection of an angle which is a function of the gate position. The linear movement actuator (11) has its ends pivoted to respective supports (24,32) designed for fastening of the actuator between a fixed part and a wing of a gate which is pivoted to a rotation axis (23). The sensing device (14) is connected between the actuator and one of the supports (24,32) for detection of the angle of rotation between the actuator and the support.

Abstract: A heated sliding window assembly comprising a fixed portion comprising a circumferential frame and a fixed pane attached to the circumferential frame, with the fixed pane having an electrically conductive heating grid. A sliding pane is slidable within the circumferential frame between an open position and a closed position, and the sliding pane has an electrically conductive heating grid. A first conductive element is mounted on the fixed portion and a second conductive element is mounted on the sliding pane. The first and second conductive elements are routed through a latch assembly, and are electrically connected together when the sliding pane is in the closed position. To connect the heating grid of the sliding pane to the heating grid of a second fixed pane, third and fourth conductive elements are employed, either routed through the same latch assembly as the above mentioned first and second conductive elements or mounted at an end of the sliding pane remote from the latch assembly.

Abstract: A sliding vehicle window assembly which includes at least one, and preferably a pair, of window panels spaced from each other to define a window opening and interconnected by upper and lower frame members or tracks, bonded to the interior surface of the pair of window panels. The upper and lower frame members are also spaced vertically apart from each other. At least one, and preferably two, arcuate channels are defined in each of the inwardly facing walls of the two frame members--the two channels arranged generally in tandem or end-to-end alignment. The pair of channels in each frame member are configured to receive a window panel, opposite ends of which retain cam or channel followers received by the channels. A latch handle interconnects one end of each cam follower and includes a cam projection also received in the channel and when rotated in one end of the channels, moves the sliding window generally perpendicularly with respect to the window opening when the window is located over the window opening.

Abstract: An in-line window structure for a transport vehicle is comprised of a rectangular frame in which a fixed pane is immovably secured. A displaceable pane is positionable adjacent the fixed pane in a common plane therewith. A lock interconnects sash members of the fixed and displaceable panes when positioned in a common plane. Guide tracks are provided by an elongated straight track section extending behind the fixed pane, and commuting track sections for guided displacement of the displaceable pane from the common plane to the straight track section and behind the fixed pane and substantially in alignment therewith whereby to create an opening in the rectangular frame to one side of the fixed pane. The lock is incorporated in a handle which, when squeezed, automatically retracts a latch bolt.

Abstract: A small expendable device for accurately and very quickly adjusting the verticality of door jambs without shingles or other shims. The device includes a body member which is attached to the rough wall opening and a carriage member which is attached to the door jamb and which is slideable in tracks across the body member. A Phillips screwdriver is placed in a tapered hole in the body between the tracks and its blades mate with a toothed edge of the carriage so that rotation of the screwdriver will force out or draw in the carriage. When locked, the door casing is applied over the door set device.

Abstract: A door cartridge assembly is provided to be installed into a vehicle door. The assembly includes a door hardware mounting panel having door components mounted thereon and being constructed and arranged to be fixedly mounted to a vehicle door; coupling structure carried by the mounting panel; and a door latch assembly constructed and arranged to be secured to a vehicle door to provide a latch for the vehicle door. The door latch assembly includes a latching member constructed and arranged to be movable between a latching position and a releasing position. The coupling structure is constructed and arranged to receive the latching member in latching relation therewith when the latching member is in the latching position thereof, thereby permitting the mounting panel to be transported with the door latch assembly connected thereto.

Abstract: A modular window assembly has a glazing pane, typically a slider assembly incorporating a vertically mounted transparent pane, which is slidably mounted in a rear-mounted frame. The slider pane is mounted for moving laterally back and forth between a closed and an open position. A drive subassembly comprises a drive drum and handle remotely mounted in the passenger compartment for moving the sliding pane back and forth between the open and closed positions. An anti-backdrive subassembly is connected to the drive drum and the handle to substantially prevent opening or closing of the slider pane by forces other than operation of the handle. The drive subassembly further comprises a mechanism for operatively connecting the handle to the sliding pane, for example, a drive cable mounted in the roof above a roof liner. When the handle is rotated in either direction, the drive drum wraps and unwraps corresponding segments of the drive cable, pulling the sliding pane between its open and closed position.

Abstract: A modular sliding window assembly in a motor vehicle has two glazing panes, typically a sliding subassembly incorporating two vertically mounted transparent panes, which are slidably mounted in a circumferential frame slightly to the interior of, substantially parallel to and between two fixed panes. The sliding panes are mounted for sliding laterally back and forth between their open and closed positions. A motor and drive drum apparatus for powered operation of the window assembly is mounted to the vehicle body at a location remote from the frame. First and second cable fasteners are mounted to first and second sliding panes, respectively, and first and second cable guides are provided to guide a drive cable. The drive cable extends from the drive drum to the second cable fastener through the first cable guide, from the second cable fastener to the first cable fastener through the second cable guide, and from the first cable fastener to the drive drum through the first cable guide.