Torsion assist system for a folding seat back in a vehicle

US12172555B2 · kind B2 · utility

Assignee

• GM GLOBAL TECHNOLOGY OPERATIONS LLC · US

Inventors

• Venkata Narasimha R. Cherukuvada · Troy, US
• Thomas A. Gillette · Stevensville, US
• Xavier Jesus Del Rio · Metepec, MX
• Srujan Nelakuditi · Riley, US
• Alan Garcia · Atizapán de Zaragoza, MX
• Mark West · Morganfield, US
• Blagoj Dungevski · Sterling Heights, US

Key dates

• Filing date: Jan 3, 2022
• Grant date: Dec 24, 2024
• Expiry date: Mar 19, 2043

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60N2/686
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A seat back system for a vehicle includes a fixed seat support member fixed relative to the vehicle, a seat back frame pivotally mounted relative to the fixed seat support member, and a torsion spring element mounted to the seat back frame. The torsion spring element includes a first end fixed relative to the fixed seat support member and a second end fixed relative to the seat back frame.