Suspension device

US10112512B2 · kind B2 · utility

Assignee

• GRAMMER AG · DE

Inventors

• Konstantin Lorey · Schmidgaden, DE
• Florian SCHANDERL · Schwarzenfeld, DE

Key dates

• Filing date: Jun 27, 2017
• Grant date: Oct 30, 2018
• Expiry date: Jun 27, 2037

Classification

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

Abstract

Suspension device for a vehicle seat, comprising an upper suspension portion and a lower suspension portion, said suspension portions being connected to one another by a first swivel connector and a second swivel connector, said first swivel connector being arranged on the lower suspension portion in such a way that it can swivel about a first swivel pin, and said second swivel connector being arranged on the lower suspension portion in such a way that it can swivel about a second swivel pin, a first tension spring and a second tension spring being respectively connected to the first swivel connector by means of a first end region and to the upper suspension portion or the lower suspension portion by means of a second end region, wherein the first end region of the first tension spring is attached to the first swivel connector at a first distance therefrom, and the first end region of the second tension spring is attached to the first swivel connector at a second distance therefrom, the length of the first distance being variable.