Vehicle safety restraint device

Details Vehicle safety restraint device Vehicle safety restraint device

1979-05-10

1981-11-03

Song, Robert R.

Land vehicles

Wheeled

Attachment

280741, B60R 2108

Patent

active

042982146

ABSTRACT:
A vehicle safety restraint device having an improved lock and release mechanism. The vehicle safety restraint device comprises an airbag and projectable lap plate attached to rotatably mounted transverse tubes containing compressed gas or chemical inflator cartridges, all of which are housed within a container capable of being used as a visor when in an inoperative condition. An electrical impulse from an impact sensing or emergency hand switch releases the unit to rotate into a vertical position, simultaneously inflating the airbag through telescoping tubes within the bag and projecting the lap plate into the occupant's lap. The improved lock and release mechanism, which includes one or more electrically responsive explosive wire cutters and a looped locking wire, provides rapid rotation of the airbag and transverse tube. The looped locking wire holds the spring biased transverse tube in a ready position until a signal activates the wire cutters which sever the wire, thereby releasing the tube for rotation.

REFERENCES:
patent: 2806737 (1957-09-01), Maxwell
patent: 3664682 (1972-05-01), Wycech
patent: 3774936 (1973-11-01), Barnett et al.
patent: 3893703 (1975-07-01), Chika
patent: 4130298 (1978-12-01), Shaunnessey

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