Patent · US Expired

Seat belt retractor system

US6722698B2 · kind B2 · utility

6Cited by
13References
12Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 22, 2002
Grant dateApr 20, 2004
Priority date
Expiry dateApr 18, 2022

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2022/4666
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A new and improved seat belt retractor system having an electronic control unit which is adapted to receive a signal from a sensor responsive to the buckling of the seat belt and causes an electric motor acting through a chain drive to drivingly rotate a reel in one direction for providing a predetermined seat belt loading on the seat occupant and that is responsive to the braking of the vehicle under emergency conditions to increase the tensioning of the seat belt to a level that exceeds the predetermined seat belt loading.

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