Seat part for a vehicle seat

US6629725B1 · kind B1 · utility

Assignee

• Daimlerchrysler AG · US

Inventors

• Joachim Kunkel · Stuttgart, DE
• Karl Pfahler · Stuttgart, DE
• Lothar Renner · Nufringen, DE

Key dates

• Filing date: Nov 16, 2000
• Grant date: Oct 7, 2003
• Expiry date: Sep 12, 2021

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B60N2/5635
• WIPO field: Transport
• WIPO sector: Mechanical engineering

Abstract

A seat part for a vehicle seat having a seat cushion which is covered over by an air-permeable cushion cover, can be actively ventilated and on the top surface of which there are formed, by stitched-down seams, a central and a front level seat surface and two border beads which bound the level seat surfaces laterally. The seat having a heating mat which is arranged between the seat cushion and cushion cover and belongs to an electric seat heater. In order to ensure that the seat cushion has good through-ventilation and is dimensionally stable over a long period of time, the heating mat is perforated, and the perforations of the heating mat are designed to be considerably sparser in the region of the central level seat surface than in the region of the front level seat surface and the border beads.