Patent · US Expired

Automatic safety belt system

US4346778A · kind A · utility

12Cited by
8References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 7, 1980
Grant dateAug 31, 1982
Priority date
Expiry dateMar 7, 2000

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2022/4825
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

An automatic safety belt system includes a belt band wound on a spring-loaded roller and a signaling device for signaling when a sufficient length of the belt has been unwound to utilize it. The signaling device is a form of an electro-optical device.

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