Hinge joint for the seats of automotive vehicles and the like

US4708392A · kind A · utility

Assignee

• Keiper Recaro GmbH & Co. · DE

Inventors

• Heinz Werner · Lennep, DE
• Hansjorg Walk · Reutlingen, DE

Key dates

• Filing date: Jul 2, 1986
• Grant date: Nov 24, 1987
• Expiry date: Jul 2, 2006

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60N2/2252
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

The back of the seat in a motor vehicle is connected to the base of the seat by a shaft which has a cylindrical eccentric of lesser eccentricity and a frustoconical eccentric of more pronounced eccentricity. The base has a first gear with a first internal surface surrounding the cylindrical eccentric and a second internal surface surrounding the second eccentric. One or more teeth of the first gear mate with the teeth of an internal gear on the back. The shaft is journalled in the back and can be rotated by a handle to thereby change the inclination of the back relative to the base. The second surface is movable axially of the shaft and is biased in such a direction by one or more springs to bear against the surface of the frustoconical eccentric. The cylindrical eccentric is effective during the initial stage of angular movement of the shaft for the purpose of changing the inclination of the back.