Patent · US Expired

Retractor device for a seat belt

US5409176A · kind A · utility

12Cited by
3References
6Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 9, 1993
Grant dateApr 25, 1995
Priority date
Expiry dateAug 9, 2013

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R2022/4413
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A retractor for a safety belt 17 in power vehicles includes a belt reel 11, which is secured in fixed rotating fashion to a first cable reel 12 with a spiral groove 15. Wound in the groove 15 is a flexible tension element 13, which extends to a second cable reel 14 with a spiral groove 18. The two cable reels 12, 14 taper axially in opposite directions. The cable reel 14 is subjected to the action of a spiral spring 16 in direction of rotation such that the safety belt 17 is wound onto the belt reel 11. The spiral spring 16 is housed in a cavity 21 in the second cable reel 14.

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