Sliding seat safety device in a vehicle

Details Sliding seat safety device in a vehicle Sliding seat safety device in a vehicle

1993-03-01

1994-05-24

Tyson, Karin L.

Land vehicles

Wheeled

Attachment

180268, 29721618, 297473, 296 681, B60R 2102, B60R 2202, B60N 242, B60N 208

Patent

active

053142063

ABSTRACT:
A seat adjustment latch, selectable at two different force levels, is attached to a slide adjustable seat in a motor vehicle equipped with a seat belt assembly, an inflatable air bag, and a knee restraint. The seat adjustment latch is interlocked with the seat belt assembly of the seat such that when the seat belt is unfastened, the seat adjustment latch is set to release the vehicle seat in the event of a rapid deceleration or impact to the vehicle above a predetermined level of severity. When the seat belt is fastened, the seat latch is set in its firmest possible retention setting and operates such that the inertia and kinetic energy forces of the seat and the occupant seated thereon will not move the seat forward in response to a severe frontal collision. In a preferred embodiment, the seat adjustment latch includes a shearing element configured as a tubular bolt for retaining the slide adjustable vehicle seat to the seat rails. The tubular bolt is selectively reinforced at a shear region by a moveable insert piece, the movement of which is influenced mechanically by the fastened/unfastened condition of the seat belt. In an alternate embodiment, the movement of the insert piece is controlled electrically.

REFERENCES:
patent: 3788685 (1974-01-01), Leichtl
patent: 4262963 (1981-04-01), Bauer
patent: 4552381 (1985-11-01), Schlanger
patent: 4623192 (1986-11-01), Koide et al.
patent: 4804229 (1989-02-01), Nishino
Henseler, Das Daimler-Benz Beifaher-Airbag-System, ATZ Automobiltechnische Zeitschrift Apr. 1989, No. 4, pp. 205-210.

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