Safety alarm system for an automatic seat belt

Details Safety alarm system for an automatic seat belt Safety alarm system for an automatic seat belt

1980-03-17

1981-05-19

Waring, Alvin H.

Communications: electrical

Selective

Having indication or alarm

307 105B, 200 6158B, B60R 2110

Patent

active

042688167

ABSTRACT:
A vehicle is fitted with a passive seat belt system which includes a seat belt, an emergency release tongue connected to the seat belt, and a slider which slides to and fro along a guide rail fixed to the vehicle body. An emergency release buckle is coupled to the slider, and is adapted to lock on the emergency release tongue when the emergency release tongue is inserted into it. A slider tongue is connected to the slider, and an anchor buckle is connected to the vehicle body in a position to, and adapted to, lock on the slider tongue, when the slider is in a position along the guide rail to tighten the seat belt about a person seated in the seat to insert the slider tongue into said anchor buckle. The present invention provides a safety device for checking that the seat belt is firmly buckled up, comprising a first means for electrically detecting whether the slider tongue is properly locked into the anchor buckle, a second means for electrically detecting whether the emergency release tongue is properly locked into the emergency release buckle, and a means for providing an alarm, connected electrically to the first and the second detecting means so as to be actuated whenever either of the detecting means detects improper locking of its tongue into its buckle.

REFERENCES:
patent: 3980988 (1976-09-01), Spizzo
patent: 4060878 (1977-12-01), Dyki

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