The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 16, 1999

Filed:

Oct. 22, 1997
Applicant:
Inventor:

Hirokazu Kuroda, Ota, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B62D / ;
U.S. Cl.
CPC ...
296189 ; 29620302 ; 280784 ;
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.


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