Patent · US Expired

Seat back of a vehicle seat with a seat back frame in the form of a pressed piece of sheet iron

US6607247B2 · kind B2 · utility

11Cited by

15References

13Claims

0Family size

Assignee

C. Rob. Hammerstein GmbH & Co. KG · DE

Inventors

Burkhard Becker · Ismaning, DE
Robert Houston · Homestead, US
Martin Strenger · Bochum, DE

Key dates

Filing date	Jul 11, 2001
Grant date	Aug 19, 2003
Priority date	—
Expiry date	Jul 23, 2021

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB60N2/4256
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A seat back frame of a vehicle seat is formed out of a sheet iron blank into a pressed piece of sheet iron. The seat back frame is provided with a main region and with a border oriented transversely to the main region. The border is composed of merging portions, and has a top border, a left and a right bent corner border and a left and a right lateral border. A left and a right stiffening bead is provided and located in an upper end region of the corresponding lateral border and in a portion of the main region a) that is directly adjacent the upper end region and that is b) in the neighborhood of the corresponding corner border.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.