Frishauf, Holtz, Goodman & Woodward
Hollow stabilizer for vehicle
 The stabilizer according to the invention is made from a single pipe, and it comprises a torsion section coupled to a vehicle frame, curved sections integrally extending from the opposite ends of the torsion section and arm sections each integrally extending from each of the curved sections and coupled to a wheel suspension. Each of the curved sections has a flat section extending in the plane of action of the bending load applied to it. 
NHK Spring Co., Ltd.
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Toshiaki Akira Kanji
Sato Ohno Inoue