Patent · US Expired

Vehicle seat including a pivoting back urged forwards by a torsion bar

US6631954B2 · kind B2 · utility

17Cited by
10References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 8, 2001
Grant dateOct 14, 2003
Priority date
Expiry dateJun 8, 2021

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60N2/22
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A vehicle seat has a back mounted to pivot on a seat proper by a locking mechanism, and urged forwards by a torsion bar formed by a metal wire which has two ends fixed respectively to the back and to the seat proper. The metal wire constituting the torsion bar forms at least one spiral comprising a plurality of adjacent turns.

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