Backlash free seat adjuster

US4227741A · kind A · utility

Assignee

• Keiper Automobiltechnik GmbH & Co. KG · DE

Inventors

• Josef Gross · Rockenhausen, DE
• Heinz Werner · Lennep, DE
• Volker Schmidt · Lexington, US
• Heinz P. Cremer · Remscheid, DE

Key dates

• Filing date: Dec 26, 1978
• Grant date: Oct 14, 1980
• Expiry date: Dec 26, 1998

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T74/19623
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The articulated mountings for vehicle seats includes two hinged parts, one part being formed with a spur gear and the other part with a geared rim of larger diameter and engaging the teeth of the spur gear. The gear rim is mounted for rotation on a pivot axle. The axle supports for joint rotation an eccentric disk which in turn supports for rotation the spur gear. To eliminate backlash in the bearing surfaces and in the meshing teeth of the gears, the eccentric disk is coupled to the pivot axle on a non-circular coupling section which engages two opposite sides of the eccentric recess in the eccentric disk but permits radial displacement of the latter. A setting mechanism preferably in the form of a resilient cushion or in the form of a biasing spring keeps the eccentric disk in its eccentric position.