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.
Patent No.:
Date of Patent:
Oct. 26, 2004
Filed:
Oct. 29, 2003
Katsuji Sakuma, Nagoya, JP;
Shinichi Haneda, Anjo, JP;
Kiyoichi Kita, Toyota, JP;
Kazunari Azuchi, Himi, JP;
Taku Matsutani, Toyama-ken, JP;
Other;
Abstract
According to the current invention, a bumper apparatus for vehicle comprises a bumper reinforcement made of an extruded aluminum base alloy material being formed in cross-section having two separated vertical portions, an upper horizontal rib, an intermediate horizontal rib, and a lower horizontal rib provided therebetween, each end of the upper, intermediate and lower horizontal ribs are connected to upper portions, middle portions and lower portions of the vertical portions respectively. In this configuration, the thickness of the intermediate rib is thicker than the thicknesses of the upper rib and the lower rib to make the upper rib and the lower rib be buckled to deform earlier than the intermediate rib when load is applied to the bumper apparatus, and the thickness of the intermediate rib is not more than to make a strength of the bumper apparatus be over a vehicle body tolerable force. Thus, an impact energy is absorbed by deforming the upper rib and the lower rib, the intermediate plate member, the crush box in order, and finally the intermediate rib.