Abstract: A door frame structure of a vehicle door includes an upright pillar sash and an upper sash that are joined together at a corner portion. An opening is formed in a tubular enclosed frame body portion of one of the upright pillar sash and the upper sash, at the corner portion, into which a tubular enclosed frame body portion of the other of the upright pillar sash and the upper sash is inserted. A longitudinal-end surface of the other of the upright pillar sash and the upper sash is brought against an inner surface of the frame body portion of the one of the upright pillar sash and the upper sash. An insertion part of the other of the upright pillar sash and the upper sash is fixed and welded to the one of the upright pillar sash and the upper sash.

Abstract: An upright pillar sash of a vehicle door frame includes an outer member including a glass run fitting portion, and an inner member including an inner frame portion having a box-shaped cross section surrounding the glass run fitting portion. An outwardly extending portion, extending toward the edge portion of the glass run fitting portion toward the vehicle exterior, of the inner member and an overlapping edge, extending alongside the outwardly extending portion toward the vehicle exterior, of the outer member are spot welded with the overlapping edge superposing the outwardly extending portion. The outer member includes a side holding portion formed inside the glass run fitting portion to hold the glass run by contacting a side thereof, and a clearance recessed portion positioned between the side holding portion and the overlapping edge to allow a welding tool to enter.

Abstract: A door frame structure of a vehicle door which includes an upright pillar sash and an upper sash, wherein joining end surfaces of the upright pillar sash and the upper sash are welded together along a periphery thereof, at least one of the upright pillar sash and the upper sash includes a frame body portion and a cantilever protrusion, the joining end surface of the one of the upright pillar sash and the upper sash partly including the frame body portion and the cantilever protrusion. The upright pillar sash and the upper sash are welded to each other along the frame body portion and a base portion of the cantilever protrusion which is connected to the frame body portion. A leading end portion of the cantilever protrusion which is positioned on the leading end side is not welded.

Abstract: A vehicle width direction wall portion (29) and a front-rear direction wall portion (33) are formed in a stiffener (7) provided inside a front door (1), the vehicle width direction wall portion (29) extending in a vehicle width direction, the front-rear direction wall portion (33) extending from a vehicle width direction inner end (31) of the vehicle width direction wall portion (29) in a vehicle front-rear direction. Additionally, a locking member (23) is provided on the front-rear direction wall portion (33) at a portion, and faces a lock lever (25). The locking member engages the lock lever, after a load is inputted to an outside handle and a door outer panel thereby deforming the door outer panel, to prevent movement of the lock lever after the deforming the door outer panel.

Abstract: A vehicle door frame includes a door sash, a belt-line reinforcement member, and a bracket which connects the door sash and the belt-line reinforcement member to each other and is fixed to a door panel. The bracket is welded to the belt-line reinforcement member at a plurality of welding portions, each of the welding portions defining a welding line, where an extension of each of the welding lines are not aligned with one another.

Abstract: A compact excavator includes an operator's cab with a door capable of opening and closing an opening surface forming a boarding port. The door includes one door piece, and has a flexing portion which is closer to a front pillar than the central portion of the door when the door is in a closed state. The flexing portion is shaped to have a first area so formed that when the door is in a closed state, the first area approaches the opening surface as the first area approaches the front pillar, and a second area arranged continuously with the first area and nearer the front pillar than the first area and being formed so that the second area draws away from the opening surface as the second area approaches the front pillar.

Abstract: In a vehicle door, a door panel is formed by joining an inner panel and an outer panel together, and the door panel is provided with a front door sash. The vehicle door includes a door front edge of the door panel, a sash front edge at a front end of the front door sash, and a step extending from the sash front edge to an upper end of the door front edge. In the step, an inner step portion of the inner panel and an outer step portion of the outer panel are joined together by hemming.

Abstract: Deformation of a trunk door is suppressed with a simple structure. A lateral bead is formed along a ridgeline region that is formed by an inner upper wall portion and an inner rear wall portion of an inner panel of the trunk door. The lateral bead is not connected to a ring bead formed at an outer periphery of the inner panel. Thus, stiffness of the ridgeline region may be suppressed compared with a case in which the lateral bead is connected to the ring bead. Thus, substantial V-form folding of an outer upper wall portion and an outer rear wall portion may be suppressed.

Abstract: A vehicle door assembly comprises an inner panel integrally formed by upper and lower horizontal beams interconnected by front and rear upright beams, and an outer panel bonded to the inner panel. The frame portion comprises opposite front and rear U-shaped side frame members non-detachably attached to each other by upper and lower intermediate frame members so as to form a continuous perimeter. The side frame members are made of a first steel material and the intermediate frame members made of a second steel material, which is different from the first steel material. A method for manufacturing the inner panel comprises the steps: providing U-shaped sheets of the first steel material, providing top and bottom sheets of the second steel material, non-detachably connecting the U-shaped sheets to the top and bottom sheets so as to form a blank, and stamping the blank into the frame portion.

Abstract: A window lifter is provided. The window lifter having: first and second guide rails; first and second sliders for driving a window, the first and second sliders being guided in translation by the first guide rail and the second guide rail, respectively; a cable system for driving the sliders along the first and second guide rails, the cable system comprising a cable extending between the first and second guide rails for connecting to corresponding ends of the first and second guide rails, respectively, the first guide rail comprising a holder for fastening the cable between the two corresponding ends of the first and second guide rails that the cable connects.

Abstract: A vehicle door frame includes an outer member and an elongated inner member. The inner member includes an extended portion, which extends in an outward direction of the vehicle, and an edge portion, which includes a distal end surface. A protrusion is formed on the distal end surface. The protrusion protrudes in the outward direction of the vehicle and is located at a predetermined position of the inner member in the longitudinal direction. The folded portion has a facing portion that faces the distal end surface. The protrusion can be melted by heating by the concentration of electric current during resistance welding and is configured to pressurize and join the distal end surface and the facing portion of the folded portion to each other. The protrusion includes a tip end, which has an arcuate cross section protruding in the outward direction of the vehicle.

Abstract: A door inner panel as automobile parts is manufactured from a tailor welded blank formed from a different thickness steel sheet by means of different thickness connection for connecting different kind steel sheets having different sheet thicknesses. In the tailor welded blank, a weld line of the tailor welded blank includes linear weld line portions and a curved weld line portion through which the linear weld lines are connected.

Abstract: A vehicle, a door assembly for the vehicle and a method of assembling the door assembly are disclosed. A first component includes a first alignment member and a second component is attached to the first component. The second component includes first and second ends spaced along a first axis, and includes first and second side edges spaced along a second axis transverse to the first axis. A trim strip extending to a distal edge, with the second component coupled to the trim strip. A second alignment member attached to the trim strip, with the alignment members engaging each other to attach the trim strip to the first component and orientate the distal edge of the trim strip relative to the first axis such that the distal edge of the trim strip and one of the side edges of the second component substantially align with each other along the first axis.

Abstract: A seal is installed to a seal supporting surface of a vehicle pillar structure. A door assembly has an inner panel and a window sash section with an attachment area at an intersection between the inner panel and the window sash section. A trim panel has a main body covering at least a portion of an inboard surface of the inner panel and a flange that extends along an upright edge of the main body. The flange has an upper end covering the attachment area and a lower end of the window sash section. The window sash section and the flange define a sealing surface extending from an upper end of the door assembly to a lower end of the door assembly. The seal contacts the sealing surface with the door assembly in the closed position.

Abstract: A side door structure for a vehicle, the side door structure includes a door sash; a door panel; and a door checker which is spaced just below the door sash. A door checker is mounted on a door inner panel having a recess which is depressed inward the side door. The bottom surface of the recess has a central portion formed at the deepest position in a central height area, and an upper inclined portion inclined upward from the central portion to an upper end edge of the recess. The upper end edge of the upper inclined portion is formed such that the outer end thereof in a vehicle width direction is a top portion. The top portion is located inwardly of an extension line of the laterally inward end of the door sash, and is located inwardly of a lower end of the door sash.

Abstract: In a door frame for vehicle which is mounted to a door panel via a reinforcing bracket, the door frame has a projecting portion which projects toward the vehicle interior side from a design portion over a range from a frame forming portion, which appears on the outward appearance of the door, to an insertion portion which is fixed to said reinforcing bracket, and the projecting portion is formed into a widened shape which makes the distance between a wall surface on the frame inner peripheral side and a wall surface on the frame outer peripheral side at the insertion portion greater than that at the frame forming portion. Accordingly, the strength of the fixed portion of the door frame to the reinforcing bracket is improved. In addition, the selectivity of welding location between the door frame and the reinforcing bracket is improved.

Abstract: An all-terrain vehicle includes a seat extending in a vehicle width direction and capable of accommodating a driver and at least one passenger, and a door provided on a lateral side of a vehicle body and openable and closable for allowing the driver and the passenger to enter and exit the vehicle. The door is open at an upper part thereof so that in a side view of the vehicle, a face of the driver or passenger is visible from the outside. A top edge of the door has a first region overlapping the driver or the passenger and a second region other than the first region. The top edge is higher at the first region than at the second region.

Abstract: In a door frame for vehicle which is mounted to a door panel via a reinforcing bracket, the door frame has a projecting portion which projects toward the vehicle interior side from a design portion over a range from a frame forming portion, which appears on the outward appearance of the door, to an insertion portion which is fixed to said reinforcing bracket, and the projecting portion is formed into a widened shape which makes the distance between a wall surface on the frame inner peripheral side and a wall surface on the frame outer peripheral side at the insertion portion greater than that at the frame forming portion. Accordingly, the strength of the fixed portion of the door frame to the reinforcing bracket is improved. In addition, the selectivity of welding location between the door frame and the reinforcing bracket is improved.

Abstract: A door frame structure of a vehicle door includes an upright pillar sash and an upper sash that are joined together at a corner portion. An opening is formed in a tubular enclosed frame body portion of one of the upright pillar sash and the upper sash, at the corner portion, into which a tubular enclosed frame body portion of the other of the upright pillar sash and the upper sash is inserted. A longitudinal-end surface of the other of the upright pillar sash and the upper sash is brought against an inner surface of the frame body portion of the one of the upright pillar sash and the upper sash. An insertion part of the other of the upright pillar sash and the upper sash is fixed and welded to the one of the upright pillar sash and the upper sash.

Abstract: A structural door module for a motor vehicle door body includes a carrier plate forming a first and second surface. The structural door module also includes a plurality of door hardware components mounted to at least one of the first and second surface in a pre-configured orientation. A handle support is integrally formed from the carrier plate, and provides a cavity to receive a door handle assembly on the first surface.

Abstract: The frontal crash load is transmitted from a front pillar to a center pillar in a reliable manner so that a bending moment caused by the frontal crash load is favorably supported, and the deformation of the door is avoided. A beam member attached to an inner panel includes a S shaped cross section member. An upper channel section of the S shaped cross section member extends along the lower edge of a window opening, and a lower channel section extends adjacent to and in parallel to the lower edge of a window opening in a rear part of the door and is offset toward a lower part of the vehicle body in a rear part of the door, with a front end being located at a same elevation as an upper door hinge.

Abstract: A composite structure (10) includes a first outer skin (12); a second outer skin (14); and a core (16) sandwiched between the first outer skin (12) and the second outer skin (14). The core (16) includes a plurality of spaced apart ridges (18) between the first outer skin (12) and the second outer skin (14), each of the spaced apart ridges (18) extending from one end (20) of the composite structure (10) to an opposite end (22); and a plurality of connecting elements (24) between the first outer skin (12) and the second outer skin (14) configured to intersect with the ridges (18) to form open channels (26) within the core (16).

Abstract: In a door (25) of a cabin for work vehicle, which door (25) opens and closes an entrance of the cabin and includes a door main body (25A) having a plurality of accessories (A), the door main body (25A) is formed as a hollow welded unified structure having a door cavity (25B), by welding an inner panel (27) to an outer panel (28) each made of a press-molded sheet-metal. An accessory attaching portion (B) is integrally molded with the inner panel (27), and the outer panel (28) has an opening (28J) formed therein for part assembly which allows the accessories (A) to be brought into the door cavity (25B) and assembled to the accessory attaching portion (B). The outer pane (28) is further provided with a decorative cover (60) for closing the opening (28J).

Abstract: In an example, a vehicle door module has a carrier carrying a plurality of functional door hardware components. The carrier defines a wet side facing towards a door cavity and a dry side facing away from the door cavity. The door includes an inner door panel having a front pocket and a rear pocket. The carrier includes front and rear latch presenters and carries front and rear door latches on the dry side thereof which seat in the front and rear door pockets. The latches are connected to reinforcement plates which are connected by fasteners at positions surrounding the door pockets thus enabling each latch to be easily accessed for service by simply removing the corresponding reinforcement plate, which may be located under an easily removed interior trim panel.

Abstract: A front pillar for an automobile includes a hollow member, an outer panel, and an inner panel. The inner panel has a restricting concave section receiving therein a part of the hollow member to restrict relative displacement of the hollow member in a vehicle width direction relative to the inner panel.

Abstract: A door assembly (40) for a vehicle, including a vehicle door (12) for opening and closing a door opening in the vehicle body. The door comprises a door body (15), an outer cover member (27) which covers at least a part of the outer surface (53) of the door outer panel (21) of the door body, and a seal member (28). The outer cover member comprises an outer cover body (165) which covers the outer surface of the door outer panel, an extension section (164) which is extended further toward the outside than an edge (163) of the door body, and a closed cross-section section (166) which is formed in a closed cross-sectional shape on the rear surface (177) of the extension section. The seal member is attached to the closed cross-section section.

Abstract: A door frame for a vehicle includes a vertical portion fixed to an upper end portion of a door body, and a main frame portion connected to an upper end of the vertical portion and fixed to the upper end portion of the door body. The vertical portion includes an envelope portion and a fixing portion. The envelope portion includes a bottom wall, an outer wall extending in an outward direction of the vehicle from an end portion of the bottom wall at an outer side of the door frame, and an inner wall extending in the outward direction from an end portion of the bottom wall at an inner side of the door frame. The bottom wall of which a width in a longitudinal direction of the vehicle is greater in a vicinity of the door body than at an upper end side of the vertical portion.

Abstract: An upright pillar sash of a vehicle door frame includes an outer member including a glass run fitting portion, and an inner member including an inner frame portion having a box-shaped cross section surrounding the glass run fitting portion. An outwardly extending portion, extending toward the edge portion of the glass run fitting portion toward the vehicle exterior, of the inner member and an overlapping edge, extending alongside the outwardly extending portion toward the vehicle exterior, of the outer member are spot welded with the overlapping edge superposing the outwardly extending portion. The outer member includes a side holding portion formed inside the glass run fitting portion to hold the glass run by contacting a side thereof, and a clearance recessed portion positioned between the side holding portion and the overlapping edge to allow a welding tool to enter.

Abstract: A lift gate having a deformable section which allows the lift gate to deform rather than break during a low speed impact event. The lift gate has a deformable section located between an inner panel and an outer panel. The deformable section is able to deform during a low speed impact event against the outer panel, thereby preventing the inner panel from receiving any of the impact. This allows the inner panel to be significantly more rigid than the outer panel and the deformable section, and, therefore, provides the necessary structural support for the lift gate while withstanding collisions on the Impact Zone.

Abstract: A door frame structure of a vehicle door which includes an upright pillar sash and an upper sash, wherein joining end surfaces of the upright pillar sash and the upper sash are welded together along a periphery thereof, at least one of the upright pillar sash and the upper sash includes a frame body portion and a cantilever protrusion, the joining end surface of the one of the upright pillar sash and the upper sash partly including the frame body portion and the cantilever protrusion. The upright pillar sash and the upper sash are welded to each other along the frame body portion and a base portion of the cantilever protrusion which is connected to the frame body portion. A leading end portion of the cantilever protrusion which is positioned on the leading end side is not welded.

Abstract: A body panel assembly and a method for manufacturing a body panel assembly are disclosed herein. In a non-limiting embodiment, the body panel assembly includes, but is not limited to, an inner panel having a lower portion. The body panel assembly further includes an outer panel that is connected to the inner panel. The outer panel has a main portion, a transitional portion, and a bent portion. The main portion and the bent portion are positioned on opposite sides of the lower portion. The main portion, the transitional portion, and the bent portion are arranged to form a cavity having an elongated configuration below the inner panel. The bent portion defines an opening extending therethrough. The opening is positioned at least partially below the lower portion of the inner panel. The opening provides ventilation to the cavity.

Abstract: A method of manufacturing a closure assembly for a vehicle includes trimming an outer panel to define a first edge and trimming an inner panel to define a second edge, wherein the outer panel is formed from an aluminum alloy material and the inner panel is formed from a magnesium alloy material. The method further includes chemically shaping the second edge to define a substantially rounded edge surface having a radius, positioning the inner panel adjacent the outer panel such that the first edge extends beyond the substantially rounded edge surface, and bending the first edge of the outer panel around the substantially rounded edge surface of the inner panel to form a hem connection that secures the inner panel relative to the outer panel. A closure assembly is also disclosed.

Abstract: A utility vehicle includes a vehicle body; a seat provided on the vehicle body; a pair of right and left entrances through which a user to be seated on the seat gets into and out of the vehicle, the entrances being provided at both sides of the vehicle body in a vehicle width direction; and a pair of right and left doors for opening and closing the pair of right and left entrances, respectively; each of the pair of right and left doors including a door body closing at least a portion of a corresponding entrance and a hinge for coupling the door body to the vehicle body such that the door body is rotatable around the hinge; and the door body including a door component which is substantially symmetric in shape in a rightward and leftward direction.

Abstract: A vehicle door includes a door main body having a hollow portion, a work hole, a door hole seal that covers the work hole, a door trim, a protruding member provided so as to protrude from the door trim toward the vehicle interior side surface, and a harness routed through the door hole seal to the door trim side. The door hole seal is provided with a general surface, a bulging portion facing the protruding member and bulging from the general surface toward the inside of the hollow portion, and a harness pull-out hole through which the harness is passed. The bulging portion has an inclined surface.

Abstract: A center-channel protector for a vehicle sash door is arranged between a main sash and a center channel. A body of the protector has an H-shaped upper-end surface which is compatible to cover the upper end of the center channel. The body integrally includes a pair of branch covering portions corresponding to a pair of branch portions constituting the center channel and a middle covering portion disposed between the branch covering portions so as to connect the both branch covering portions therewith. An engaging portion is provided with the body and is mechanically engaged, in a direction intersecting a vertical direction, with an engaged portion which is provided with a center channel side. In collaboration with the engaged portion, the engaging portion constitutes a fastening mechanism by which the protector is fastened on the center channel.

Abstract: A door frame for a vehicle includes a vertical portion fixed to an upper end portion of a door body, and a main frame portion connected to an upper end of the vertical portion and fixed to the upper end portion of the door body. The vertical portion includes an envelope portion and a fixing portion. The envelope portion includes a bottom wall, an outer wall extending in an outward direction of the vehicle from an end portion of the bottom wall at an outer side of the door frame, and an inner wall extending in the outward direction from an end portion of the bottom wall at an inner side of the door frame. The bottom wall of which a width in a longitudinal direction of the vehicle is greater in a vicinity of the door body than at an upper end side of the vertical portion.

Abstract: An integrated safety net system for a recreational vehicle having a chassis with a step-through door opening. They safety net system includes a door having a forward end and a rearward end, and a hinge coupled between the rearward end of the door and the chassis of the vehicle. Upper and lower safety nets are coupled to the door forward of the hinge and coupled to the chassis of the vehicle on or rearward of the rearward side of the door opening. The safety net and the door are collectively and cooperatively movable as the rear-hinged door moves to the open position or closed position. The door includes a latch at the forward end of the door to provide one operational step to release or secure the door and the integrated safety nets to the chassis upon ingress or egress of the vehicle.

Abstract: A vehicle has a mounting structure for mounting a door guard bar. An insertion hole is formed in an upper portion of a trim pad, and a lever-handle accommodating hole is formed in a side portion of the trim pad below the insertion hole. An end portion of a lever handle is inserted into the lever-handle accommodating hole. A cover portion of a bezel is disposed on the inner side of the lever-handle accommodating hole, and covers a part of the lever-handle accommodating hole while exposing an operation portion of the lever handle to the inner side of the vehicle. A door guard bar is inserted into the insertion hole, and fixed to the inner door panel of the vehicle door. The cover portion of the bezel covers the portion of the door guard bar.

Abstract: A double-sided adhesive tape at a vehicle front-side is provided straddling from a first flange section to a second flange section so as to cover a vehicle width direction outer side end portion of a double-face contact portion. Accordingly, water is prevented from penetrating in from a vehicle width direction outer side end portion of the double-face contact portion. In other words, the double-sided adhesive tape doubles both as a joining member for fixing a garnish and as a waterproofing member for preventing water from penetrating in from the vehicle width direction outer side end portion of the double-face contact portion. Consequently, for example, provision of a waterproofing member such as a sealer or sponge can be dispensed with, and as a result a reduction in cost can be achieved.

Abstract: The present invention relates to an assembly comprising a tailgate box and at least one link designed to be fitted on the box. The box is designed to receive a part that is fastened to the box by adhesive, said box having for this purpose an adhesive track, the box also including at least one lateral upright comprising a section member of open cross-section with the opening therein interrupting the adhesive track. The link comprises an additional segment of adhesive track, and the link and the upright being shaped so that the link can be fitted on the upright in such a manner that it closes the cross-section of the section member and causes the additional segment to span the interruption in the adhesive track.

Abstract: A vehicle door assembly comprises an inner panel integrally formed by upper and lower horizontal beams interconnected by front and rear upright beams, and an outer panel bonded to the inner panel. The frame portion comprises opposite front and rear U-shaped side frame members non-detachably attached to each other by upper and lower intermediate frame members so as to form a continuous perimeter. The side frame members are made of a first steel material and the intermediate frame members made of a second steel material, which is different from the first steel material. A method for manufacturing the inner panel comprises the steps: providing U-shaped sheets of the first steel material, providing top and bottom sheets of the second steel material, non-detachably connecting the U-shaped sheets to the top and bottom sheets so as to form a blank, and stamping the blank into the frame portion.

Abstract: A mount structure of a vehicle door mirror on a side door, the side door including: a door body having an outer panel and an inner panel which are joined together; and a door sash provided at an upper part of the door body so as to form an outer frame of the door body, wherein a door mirror mounting unit which mounts the door mirror is provided at an upper edge of the door body and at a vehicle front side of the door sash.

Abstract: A door assembly for a vehicle includes an outer panel configured for defining an exterior surface of the vehicle, and an inner panel matable to the outer panel to define a cavity therebetween. The inner panel includes a lower portion having a first longitudinal axis and a B-pillar assembly extending from the lower portion. The B-pillar assembly includes a casting having an external surface configured for defining the exterior surface of the vehicle, an internal surface spaced apart from the external surface, a length, and a second longitudinal axis. The casting extends from the portion along the second longitudinal axis, and the second longitudinal axis is substantially perpendicular to the first longitudinal axis.

Abstract: In a door (25) of a cabin for work vehicle, which door (25) opens and closes an entrance of the cabin and includes a door main body (25A) having a plurality of accessories (A), the door main body (25A) is formed as a hollow welded unified structure having a door cavity (25B), by welding an inner panel (27) to an outer panel (28) each made of a press-molded sheet-metal. An accessory attaching portion (B) is integrally molded with the inner panel (27), and the outer panel (28) has an opening (28J) formed therein for part assembly which allows the accessories (A) to be brought into the door cavity (25B) and assembled to the accessory attaching portion (B). The outer pane (28) is further provided with a decorative cover (60) for closing the opening (28J).

Abstract: A door assembly for a vehicle includes an outer panel configured for defining an exterior surface of the vehicle, and an inner panel matable to the outer panel to define a cavity therebetween. The inner panel includes a lower portion having a first longitudinal axis and a B-pillar assembly extending from the lower portion. The B-pillar assembly includes a casting having an external surface configured for defining the exterior surface of the vehicle, an internal surface spaced apart from the external surface, a length, and a second longitudinal axis. The casting extends from the portion along the second longitudinal axis, and the second longitudinal axis is substantially perpendicular to the first longitudinal axis.

Abstract: A rear door structure in which a rear door is openably and closably provided on a rear portion of a vehicle body, including a door panel, wherein: the door panel includes an upper door panel and a lower door panel provided on the lower portion of the upper door panel; and a lower edge portion of the upper door panel and an upper edge portion of the lower door panel mutually overlap so as to form a lateral beam having a closed cross section and extending in a vehicle width direction.

Abstract: Provide a door device of a small-sized vehicle that can secure space for occupants. An openable door 70 is provided to a side of a vehicle body to cover an opening and a convex portion 75 that gets on a footboard 62 when the door 70 is closed is provided to an inside lower part of the door 70.

Abstract: An integral box-like vehicle body, characterized in that it comprises a three-dimensional truss framework, the framework of the vehicle body includes two lateral trusses, which are connected to each other at the points of an upper longeron (1) of the lateral trusses by a plurality of vaulted crossbeams (7) to form a vault top, and the points of a lower longeron (2) of the lateral trusses are connected to each other to by a plurality of bottom inclined beams 5 and bottom crossbeams 6 to form a bottom truss. The deadweight of the vehicle body is 5-7 tons lower than that of the box-like semi-trailer or the box-like full trailer of the same weight. The vehicle body improves strength, rigidity and stability, and reduces the cost.

Abstract: The present invention provides a door panel that comprises an outer panel and an inner panel joined together at adhering portions and, regardless of whether rib portions are formed on the adhering portions in order to prevent deformation of the adhering portions or for other purpose, can be modified to withstand severe heat by means of formation of large ventilation openings in the adhering portions without significantly impairing the shape or the strength of the door panel.

Abstract: A center-channel protector for a vehicle sash door is arranged between a main sash and a center channel. A body of the protector has an H-shaped upper-end surface which is compatible to cover the upper end of the center channel. The body integrally includes a pair of branch covering portions corresponding to a pair of branch portions constituting the center channel and a middle covering portion disposed between the branch covering portions so as to connect the both branch covering portions therewith. An engaging portion is provided with the body and is mechanically engaged, in a direction intersecting a vertical direction, with an engaged portion which is provided with a center channel side. In collaboration with the engaged portion, the engaging portion constitutes a fastening mechanism by which the protector is fastened on the center channel.