Vehicle seat backs

Details Vehicle seat backs Vehicle seat backs

1995-12-18

1997-09-23

Brown, Peter R.

Chairs and seats

Crash seat

Force-absorbing means incorporated into back

29721614, 296 681, B60N 242

Patent

active

056696612

ABSTRACT:
The vehicle seat back includes two deformable elements both extending across the back (2) between two lateral uprights (3) defining the sides of the back, the elements comprising a first element (7) suitable for dissipating energy by deforming plastically in progressive manner, and a second element (8) suitable for stopping deformation of the first, the second element being disposed in such a manner that when a strong longitudinal thrust is applied to its middle portion, it begins by lengthening while offering practically no resistance until it reaches a given length, after which it becomes inextensible.

REFERENCES:
patent: 3797858 (1974-03-01), Yamada
patent: 4027906 (1977-06-01), Matsuoka et al.
patent: 5054845 (1991-10-01), Vogel
patent: 5186494 (1993-02-01), Shimose
patent: 5295729 (1994-03-01), Viano
patent: 5328226 (1994-07-01), Thomas

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