Land vehicles – Wheeled – Attachment
Patent
1990-04-10
1991-08-06
Marmor, Charles A.
Land vehicles
Wheeled
Attachment
297470, 297473, 188280, 188282, B60R 2222
Patent
active
050371320
ABSTRACT:
A vehicle seat is mounted on the vehicle body by a seat adjuster which enables movement of the seat relative to the vehicle body to a position chosen by the occupant. A seat belt is anchored on the seat so that the seat belt moves with the seat to the adjusted position. An extensible cylinder extends from the vehicle floor to the seat belt anchor on the seat and extends and retract as necessary to accommodate the adjusting movement of the seat. The extensible cylinder includes a piston movable within a fluid filled chamber and having a flow rate responsive valve associated therewith which permits low flow rate fluid flow through the piston during adjusting movement of the seat so that the cylinder extends and retracts to follow the seat. The imposition of an occupant restraint load on the seat belt induces motion of the piston and high rate flow of fluid through the valve causing the valve to block fluid flow through the piston so that the piston is locked within the cylinder and the occupant restraint load is transmitted from the seat belt to the floor.
REFERENCES:
patent: 2649145 (1953-08-01), McCarthy
patent: 2680476 (1954-06-01), Saffell
patent: 3371960 (1968-03-01), Bayer et al.
patent: 3484134 (1969-12-01), Townsend
Borlinghaus Hans J.
Plechaty Manfred A.
Roper Paul D.
Finlay Tamara L.
General Motors Corporation
Leahy Charles F.
Marmor Charles A.
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