Patent · US Expired

Retractor reel for a vehicle safety belt

US4531687A · kind A · utility

4Cited by
6References
8Claims
0Family size

Assignee

Inventor

Key dates

Filing dateNov 7, 1983
Grant dateJul 30, 1985
Priority date
Expiry dateNov 7, 2003

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB60R22/405
  • WIPO fieldTransport
  • WIPO sectorMechanical engineering

Abstract

A retractor reel for a vehicle safety belt comprising a shaft rotatably mounted on a support adapted automatically to wind a safety belt when the belt is not in use and incorporating means for locking the shaft to prevent the belt being withdrawn from the retractor reel under certain conditions, said locking means comprising stop abutment means on said support and at least one locking pin which extends through an aperture in the shaft, substantially diametrically across the shaft, substantially perpendicularly to the longitudinal axis of the shaft, the locking pin being axially movable between a retracted position and an extended locking position, the locking pin, when in the locking position, having an engagement end extending out of the shaft on one side thereof to cooperate with a stop abutment means provided on the support to prevent rotation of the shaft, the opposite end of the locking pin engaging the shaft on the other side of the axis of the shaft that is remote from the engagement end of the locking pin, there being a control disk rotatably mounted on the shaft for controlling movement of the locking pin.

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