The present invention relates to a roll bar structure of a vehicle equipped with side panels and an open top, comprising a crossbar having a closed section and extending in a vehicle width direction between both of the side panels, roll bars having a reverse-U shape and at least part thereof projecting above the crossbar, and through holes formed at upper and lower portions of the crossbar, wherein an one-side part of roll bar extending substantially vertically penetrates the through holes, and the roll bars are connected respectively with the upper and lower portions of the crossbar which the roll bars penetrate. Accordingly, a resistance of the roll bar structure against a vehicle rollover can be increased by connecting firmly the roll bars with the crossbar.

Roll bar structure of vehicle

A roll bar assembly for convertibles includes a cross bar to be arranged below a beltline, roll bars connected to the cross bar to protrude upward from the cross bar and a resin-made trim covering the cross bar and the roll bars. Part of the trim covering the cross bar is aligned with the beltline and a plurality of ribs are arranged in space between the said part of the trim and the cross bar in the vehicle width direction.

Roll bar assembly and method for mounting the same

Incipient soot early in the flame was studied by high-resolution atomic force microscopy and scanning tunneling microscopy to resolve the atomic structure and orbital densities of single soot molecules prepared on bilayer NaCl on Cu(111). We resolved extended catacondensed and pentagonal-ring linked (pentalinked) species indicating how small aromatics cross-link and cyclodehydrogenate to form moderately sized aromatics. In addition, we resolved embedded pentagonal and heptagonal rings in flame aromatics. These nonhexagonal rings suggest simultaneous growth through aromatic cross-linking/cyclodehydrogenation and hydrogen abstraction acetylene addition. Moreover, we observed three classes of open-shell π-radical species. First, radicals with an unpaired π-electron delocalized along the molecule's perimeter. Second, molecules with partially localized π-electrons at zigzag edges of a π-radical. Third, molecules with strong localization of a π-electron at pentagonal- and methylene-type sites. The third class consists of π-radicals localized enough to enable thermally stable bonds, as well as multiradical species such as diradicals in the open-shell triplet state. These π-diradicals can rapidly cluster through barrierless chain reactions enhanced by van der Waals interactions. These results improve our understanding of soot formation and the products formed by combustion and could provide insights for cleaner combustion and the production of hydrogen without CO2 emissions.

Portraits of Soot Molecules Reveal Pathways to Large Aromatics, Five-/Seven-Membered Rings, and Inception through π-Radical Localization.

A top for a convertible, which has a rear window frame with a rear window and, in the closed state, at least one roof section situated in front of the rear window frame in the direction of travel. When there are two roof sections which are adjacent to each other when the top is closed, a respective extension, which is extended to the rear or front, is formed on the lateral border regions of one of the roof sections. The extension being configured as a seal carrier.

Top for a Convertible

A vehicle roof having a roof structure with a roof opening, which, by a roof opening mechanism, can be closed or at least partially uncovered as desired, said roof opening mechanism being designed as an interchangeable insert. Additionally, a roof opening mechanism is proposed, being designed as an interchangeable insert, for unlockable fixation at a roof structure of a vehicle roof, and comprising a frame, which can be placed upon an edge region of the roof structure, said edge region limiting a roof opening.

Vehicle roof and roof opening mechanism

A motor vehicle has a body, a roof that can be displaced between an open position and closed position and having a roof skin with a rear window, and a rollover protection element that can be extended from an inoperative position into a protective position. In the protective position and with the roof in the closed position, the rollover protective element protrudes above the roof skin in the vicinity of the rear window. For improved rollover protection, it is proposed that the rear window is surrounded at least in some sections by a stiff window frame and is attached thereto, and that, in the closed position of the roof, the window frame is supported in relation to the body.

Motor vehicle with a movable roof and an extendable rollover protection element

Fastened on a clamping stay/hoop (3), a flexible planar formation (19) rolls up and down around a roll axle (20) running parallel to a swivel pin for the clamping stay linked to a roof-stick brace (8), which swivels in bearings on a fixed swivel pin that runs crosswise to a motor vehicle (1) and has a clearance from the swivel pin in the vehicle's lengthwise direction. An independent claim is also included for a motor vehicle, especially a cabriolet, with a wind bulkhead.

Wind bulkhead/screen for a motor vehicle like a cabriolet has a clamping stay/hoop to swivel on bearings on a fixed swivel pin running crosswise to the motor vehicle

The roll over cage for a motor vehicle has the mounting feet (13,14) made of alloy castings and each mounting strut (21,22) has two profiled shanks (24,25) connected by a cellular reinforcing structure (27). The feet can be connected by a cross beam (18) of light alloy which engages holders (32) formed integrally with the feet.

Roll over cage for motor vehicle has side legs formed of light alloy with profiled sections having cellular reinforcement

The wind shield is connected to an end section of the vehicle's seat back and can pivot from an initial position into an operating position and vice versa. The wind shield comprises a support section and an extension, with the extension extends from the support section when the wind shield is in its operating position. The wind shield support section and extension have a first and a second section which are telescopically assembled. The support section is formed by a box accommodating the extension.

Wind shield for private motor vehicle with roof has support section and extension, with extension extending from support section when wind shield is in operating position

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