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AssigneeFAURECIA Sièges d'Automobile
InventorsNaoufel Boutouil, Dominique Folliot, Nicolas Navatte, Imane El Bekkali
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An adjustment mechanism for vehicle seat, comprising a gearbox, an eccentric element driven by a driving unit, an eccentric gear wheel rotatably mounted on the eccentric element, a drive output unit equipped with an inner gear ring which cooperates with the eccentric gear wheel by partial engagement of the teeth, a sliding block equipped with a first and a second longitudinal guide, the sliding block cooperating with the eccentric gear wheel by the first longitudinal guide, the sliding block cooperating with the gearbox by the second longitudinal guide, the material of the second longitudinal guide having a lower hardness than the hardness of the material of the eccentric gear wheel.
An adjustment mechanism for a vehicle seat, comprising:
The mechanism according to 1, wherein the second longitudinal guide of the sliding block is adapted to present at least four guide surfaces, each guide surface sliding against an associated counter-surface of the second counter-element of the gearbox.
The mechanism according to 1, wherein 5 the sliding block is made as a single part with the first and second longitudinal guides, one of the first and second longitudinal guides being heat-treated to have a different hardness than the other longitudinal guide.
Dependencies are inferred from the claim text.