Vehicle seat assembly with a stationary base rail and a seat rail which can be moved relative thereto and with a drive device which is arranged on the base rail

US11260775B2 · kind B2 · utility

Assignee

• Brose Fahrzeugteile GmbH & Co. Kommanditgesellschaft · DE

Inventors

• Juergen Schukalski · Bernkastel-Kues, DE
• Gregor Kroener · Hallstadt, DE
• Joerg GROPP · Ruhland, DE
• Jochen Hofmann · Marktgraitz, DE

Key dates

• Filing date: Dec 6, 2017
• Grant date: Mar 1, 2022
• Expiry date: Jan 24, 2038

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60N2/02253
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A vehicle seat assembly comprising a seat frame and at least one rail pair that has a seat rail which is connected to the seat frame and a base rail which is to be connected to the vehicle base and on which the seat rail is movably guided along a longitudinal direction. A drive device is used to move the seat rail along the longitudinal direction relative to the base rail and has a spindle, a rotatable spindle nut which is mounted on the spindle via a threaded engagement, a drive unit which is operatively connected to the spindle nut, and an electric motor for driving the spindle nut via the transmission unit. The spindle is arranged on the seat rail, and the spindle nut and the transmission unit are arranged on the base rail.