Crash cushion

E - Fixed Constructions – 01 – F

Patent

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Details

E01F 15/00 (2006.01)

Patent

CA 2579047

A vehicle crash cushion for decelerating a vehicle includes front and rear anchors spaced along a longitudinal direction and at least one deformable attenuator member extending in the longitudinal direction and having a first end coupled to the front anchor and a second end coupled to the rear anchor. A support member is positioned adjacent the attenuator member and is moveable in the longitudinal direction relative thereto between at least an initial position and an impact position toward the rear anchor and away from the front anchor. At least one deforming member is mounted on the support member and is engaged with at least a portion of the attenuator member. In another aspect, a vehicle crash cushion includes first and second side panels each having at least one longitudinally extending ridge and at least one longitudinally extending valley. The first side panel is moveable relative to the second side panel in response to an axial force being applied to the elongated frame. A connector includes at least one first strap portion disposed in the valley of and connected to the first. side panel and at least one second strap portion disposed adjacent to and connected to at least one ridge of the second side panel.

La présente invention concerne un atténuateur d'impact destiné à décélérer une automobile. Il est constitué d'un ancrage antérieur et d'un ancrage postérieur répartis sur un axe longitudinal et d'un élément atténuateur déformable disposé selon l'axe longitudinal, sa première et sa seconde extrémité étant respectivement solidaires de l'ancrage antérieur et de l'ancrage postérieur. Un élément support adjacent de l'élément atténuateur est mobile selon l'axe longitudinal par rapport à lui entre au moins une position initiale et une position d'impact en direction de l'ancrage postérieur, s'éloignant de l'ancrage antérieur. Au moins un élément déformable monté sur l'élément support est au contact d'au moins une partie de l'élément atténuateur. Dans un autre aspect, l'atténuateur d'impact comporte deux panneaux latéraux comportant chacun en longueur au moins une crête et au moins un creux. L'un des deux panneaux est mobile par rapport à l'autre en réaction à une force axiale s'exerçant sur le bâti de forme allongée. L'atténuateur d'impact comporte également un raccord à deux bandeaux, le premier bandeau étant dans le creux longitudinal du premier panneau auquel il est raccordé, le second bandeau étant disposé contre la crête longitudinale du second panneau auquel il est raccordé.

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