LINKING ARM, FOR EXAMPLE FOR A VEHICLE WHEEL SUSPENSION, AND METHOD FOR MANUFACTURING SAME
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United States of America Patent
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Apr 28, 2015
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Apr 28, 2015
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Abstract
The present invention relates to a link arm for connecting a first unsuspended mass to a second suspended mass, and its manufacturing method. The invention applies in particular to a suspension system for a motor vehicle, wherein the arm is able to equip a wheel suspension by having triangular housings to receive a stub axle of the wheel and two connecting links to the chassis of the vehicle. This arm (1) comprises housings (14, 15, 16) to receive a first linkage joint (14a) to the first mass, and at least a second linkage joint (15, 16) to the second mass, and comprises:
- a stiffening portion (2) which comprises a first thermoplastic or thermosetting matrix composite material reinforced with fibers and which comprises a peripheral rim (8) of the arm, andan anti-buckling portion (3) interposed in the stiffening portion and extending from the rim over substantially the entire arm.
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