Load limiting device for a seat belt

Details Load limiting device for a seat belt Load limiting device for a seat belt

1998-10-01

2000-08-15

Dickson, Paul N.

Land vehicles

Wheeled

Attachment

297472, B60R 2228

Patent

active

061024392

ABSTRACT:
A load limiting device is used with a vehicle seat belt during a crash to allow a limited and controlled forward motion of a vehicle occupant after the retractor has locked. The load limiting device decreases the forces exerted by the seat belt on the vehicle occupant's torso. The load limiting device has a container which defines a flow path for a fluid, with a restriction in the flow path. An actuator is located within the container and is movable within the container under the action of a load transmitted to the seat belt webbing from the vehicle occupant under extreme acceleration conditions, to move the fluid through the restriction in the flow path to dissipate a predetermined portion of the load on the webbing.

REFERENCES:
patent: 2680476 (1954-06-01), Saffell
patent: 3343874 (1967-09-01), Hildebrandt
patent: 3398812 (1968-08-01), Peterson
patent: 3484134 (1969-12-01), Townsend
patent: 3532380 (1970-10-01), Studer et al.
patent: 3889969 (1975-06-01), Otani
patent: 5037132 (1991-08-01), Borlinghaus et al.

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