Safety device for motor-vehicle steering column and seat belts

Details Safety device for motor-vehicle steering column and seat belts Safety device for motor-vehicle steering column and seat belts

2007-01-23

2007-01-23

Dunn, David R. (Department: 3616)

Land vehicles

Wheeled

Running gear

Reexamination Certificate

active

10030199

ABSTRACT:
As yet heads of belted passengers, when thrown forwards in real-world front collisions, crush into vehicle members or inflating airbags.A safety device is equipped with wires, energy-absorbing, vibration-dampening delimiters, a collapsible upper portion of steering column and a pair of independently operating piston devices. The deflection of at least one piston rod in any front or rear collision is exploited to pre-tension the seat belts up to a predetermined length of seat-belt retraction and retract that collapsible upper portion with the steering wheel out of the head-injury area.In order to prevent buckling of longitudinal runners, achieve the highest efficiency of energy-absorption and lower impact energy, to which passengers are exposed, a cone-shaped hub reams, folds and buckles the respective longitudinal runner, loosely guided by the piston rod, guided by a bearing box.The delimiters block further movement of seat-belt wire thus preventing strangulation.

REFERENCES:
patent: 4566555 (1986-01-01), Schlanger
patent: 4795189 (1989-01-01), Vollmer et al.
patent: 4823905 (1989-04-01), Piech
patent: 5054810 (1991-10-01), Backhaus et al.
patent: 5154253 (1992-10-01), Vollmer
patent: 6676709 (2004-01-01), de la Asuncion
patent: 6851505 (2005-02-01), Motozawa et al.

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