Patent · US Expired

Seat belt retractor

US4570872A · kind A · utility

17Cited by
4References
14Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 25, 1983
Grant dateFeb 18, 1986
Priority date
Expiry dateMar 25, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2022/444
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

In an electrically actuated seat belt retractor including a belt take-up shaft on which a seat belt is retractable, and an electric motor which rotates the belt take-up shaft in at least one of the belt retracting direction and the belt feeding direction when energized, there is disposed an extra belt retracting device which can effect the belt retracting work of the belt take-up shaft when the electric motor fails to run.

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