Adjuster for a vehicle seat

US8616646B2 · kind B2 · utility

Assignee

• KEIPER GMBH & CO. KG · DE

Inventors

• Elmar Deegener · Kaiserslautern, DE
• Heinz Voss · Leverkusen, DE
• Rolf Schüler · Heiligenhaus, DE
• Bernd Bossmanns · Erkrath, DE

Key dates

• Filing date: Nov 1, 2010
• Grant date: Dec 31, 2013
• Expiry date: Feb 12, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/19555
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

An adjuster for a vehicle seat, in particular for a motor vehicle seat, includes a drive, a gear stage (8) driven by the drive. The gear stage (8) includes a drive wheel (81) rotatable about a first rotational axis (A1) and drive teeth (81a) and a driven wheel (82) rotatable about a second rotational axis (A2) and including driven teeth (82a). Driven wheel (82) meshes with the drive wheel (81) with a fluctuating gear ratio and at least one load bearing gear driven by the gear stage, in particular a geared fitting. The fitting parts thereof performing a relative rotation with a superimposed wobble motion. At least two drive teeth (81a) and/or at least two driven teeth (82a) in the circumferential direction of the associated rotational axis (A1, A2) have different dimensions and/or different spacings from the adjacent teeth, and/or in the axial direction of the associated rotational axis (A1, A2), different dimensions and/or different axial positions.