Vehicle bumper

Details Vehicle bumper Vehicle bumper

Category

B - Operations, Transporting

Subcategory

60

Subsubcategory

R

CPC

293/20

IPC codes

B60R 19/18 (2006.01)

Type

Patent

Patent number

CA 2009017

Description

An energy absorbing bumper (20) for a vehicle includes an elastomeric bumper module (24) having a longitudinally extending impact face (25) and upper and lower walls (26,27) extending laterally therefrom toward a rear support plate (21) which is attachable to the vehicle and which engages the upper and lower walls (26,27) of the module (24). A plurality of longitudinally spaced upper ribs (31) extend from the impact face (25) and generally laterally along the upper wall (26) toward the rear support plate (21). A plurality of similarly longitudinally spaced lower ribs (32) extend from the impact face (25) and generally laterally along the lower wall (27) toward the rear support plate (21). A longitudinal rail (34) extends from between the upper and lower ribs (31,32) on the impact face (25) toward the rear support plate (21). Upon impact against the impact face (25), the module (24) thereby absorbs the energy of the impact.

Cette invention concerne un pare-chocs amortisseur d'énergie (20) pour véhicules qui comprend un module de choc élastomère (24) caractérisé par une face de choc longitudinale (25) et des parois supérieure et inférieure (26, 27) se prolongeant latéralement vers une plaque support arrière (21) qui se fixe au véhicule et est repliée sur lesdites parois supérieure et inférieure (26, 27) du module (24). Une série de nervures supérieures espacées le long du pare-chocs (31) font saillie de la face de choc (25) généralement latéralement le long de la paroi supérieure (26) vers la plaque support arrière (21). Une série de nervures inférieures similaires (32) font saillie de la face de choc (25) généralement latéralement et le long de la paroi inférieure (27) vers la plaque support arrière (21). Un profilé longitudinal (34) se prolonge entre les nervures supérieures et inférieures (31, 32) de la face de choc (25) vers ladite plaque support arrière (21). € l'impact d'un objet contre la face de choc (25), le module (24) absorbe grâce à ces aménagements l'énergie de choc.

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