Land vehicles – Wheeled – Running gear
Reexamination Certificate
2000-03-10
2001-10-23
DePumpo, Daniel G. (Department: 3611)
Land vehicles
Wheeled
Running gear
C280S093511, C280S124134
Reexamination Certificate
active
06305699
ABSTRACT:
CROSS REFERENCE TO RELATED APPLICATION
Priority is claimed with respect to German Application No. 199 11 021.2-21 filed in Germany on Mar. 12, 1999, the disclosure of which is incorporated herein by reference.
BACKGROUND OF THE INVENTION
The invention relates to a locating link for wheel suspensions of motor vehicles, with an at least two-part link body, the link body comprising two elongate support profiles which are spaced apart and parallel to one another over at least two-thirds of their length and come into contact at least in the vicinity of a mounting hole of the link body.
A locating link of this kind is known from DE 29 52 176 C2. This describes a locating link which comprises two elongate sheet-metal shaped parts which are of shell-shaped design and are firmly connected to one another. At their ends, the sheet-metal shaped parts have openings which are reinforced by integrally formed or shaped annular collars. The annular collars are dimensioned in such a way that, as the two sheet-metal shaped parts are assembled, they engage in one another and are retained by non-positive engagement. This locating link is suitable specifically for small wheel loads. As regards the effort involved in installing it in the vehicle, it offers no advantages over conventional single-part links.
DE 39 21 468 C1 has also disclosed a sheet-metal link. The link comprises two identical pressings to be arranged mirror-image fashion and a mounting element connecting these parts. At one end, each of the mutually opposite pressings has an annular collar into the two inner holes of which a mounting element is pressed. This link too is suitable specifically only for small wheel loads. This is evident, inter alia, from the fact that the mounting element is not fixed definitely in the axial direction in the link.
The problem underlying the present invention is to develop a locating link which is distinguished by simple design, a low manufacturing outlay and uncomplicated assembly. It should also be suitable for large wheel loads.
SUMMARY OF THE INVENTION
The problem is solved by the features of the provision of a locating link that has a link body formed by two elongate support profiles. The support profiles are of mirror-symmetrical configuration relative to a centre plane which lies centrally between the support profiles and normal to the centre lines of at least two
In the assembled condition, the support profiles have a cylindrical cavity, which is arranged concentrically with a mounting hole, in the region in which they are in direct contact, the inside diameter of the cavity being greater than the diameter of the corresponding mounting hole.
Only one support profile need be designed for the mirror-symmetrical construction. The second support profile is obtained from mathematical dataset mirroring. The design of the casting moulds or forging dies is made simpler in the same way.
Since the link body comprises opposite profiles, it is possible to arrange cavities or apertures in the region between the support profiles without problems and without giving rise to expensive forging dies or casting moulds.
The link body can be compared to a ladder construction. In this arrangement, the support profiles of the link body are the sides of the ladder, while the spindles or screwed joints of the mountings, e.g. for the wheel carrier, a shock absorber, a vehicle spring or a spring strut, accommodated in the mounting body form the rungs. The spindles or screwed joints simultaneously form shape-stiffening and load-bearing components of the locating link, thereby making it possible to save on fastening elements. Apart from reducing the effort involved in assembly, the latter additionally reduces the sprung mass of the independent wheel suspension and this can have a positive effect on driving dynamics.
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Daimler-Chrysler AG
DePumpo Daniel G.
Dunn David R.
Kenyon & Kenyon
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