Land vehicles: bodies and tops – Bodies – Body shell
Patent
1997-10-22
1999-11-16
Dayoan, D. Glenn
Land vehicles: bodies and tops
Bodies
Body shell
29620302, 280784, B62D 2100
Patent
active
059844035
ABSTRACT:
In the front frame (1) for a vehicle body formed with a bendable portion (1a) midway thereof, the bending deformation due to a bending moment M1 generated at the bendable portion (1a) of the front frame (1) in case of a vehicle collision is suppressed to improve the effect of absorbing collision energy. A pair of front and rear bead portions (5) arranged in a V shape are formed on the side surface of the bendable portion (1a) of the front frame (1) in such a way that the space between the two opposing bead portions (5) increases gradually from the upper compression side to the lower tension side. Therefore, in case of a vehicle frontal collision, it is possible to generate an additional moment M which can cancel out the bending moment M1 generated at the bendable portion (1a) due to the shape factor of the front frame, so that the deformation mode of the front frame (1) can be changed from the bending mode to a nearly buckling mode. As a result, it is possible to improve the effect of absorbing collision energy in case of a vehicle collision.
REFERENCES:
patent: 2627426 (1953-02-01), Toncray et al.
patent: 4702515 (1987-10-01), Kato et al.
patent: 4950031 (1990-08-01), Mizunaga et al.
patent: 5118160 (1992-06-01), Kitagawa et al.
patent: 5171058 (1992-12-01), Ishikawa
patent: 5314229 (1994-05-01), Matuzawa et al.
Dayoan D. Glenn
Fuji Jukogyo Kabushiki Kaisha
Wells Chad
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