Door impact beam
AssigneeBenteler Automobiltechnik GmbH
InventorsOtto Buschsieweke, Andreas Hitz, Mirko Paare
Life of this patent
Estimating the term…
Abstract
A door impact beam for a motor vehicle includes a formed metal sheet defined by a longitudinal axis and having a tubular cross section which has a closed circumference in a center portion of the metal sheet, and is configured with open circumference at both end portions of the metal sheet which adjoin the center portion in a direction of the longitudinal axis. Each end portion is defined by an opening angle which continuously increases from the center portion to respective ends of the end portions.
Claims13
A door impact beam for a motor vehicle, comprising:
- a formed metal sheet defined by a longitudinal axis and having a tubular cross section which has a closed circumference in a center portion of the metal sheet, and is configured with open circumference at both end portions of the metal sheet which adjoin the center portion in a direction of the longitudinal axis, each said end portions defined by an opening angle which continuously increases from the center portion to respective ends of the end portions;
- and
- a reinforcement plate located inside the center portion at the inner side of the formed metal sheet.
The door impact beam 1, wherein the metal sheet has length side zones which overlap in the center portion.
The door impact beam 1, wherein the metal sheet has length sides joined end-to-end in the center portion.
The door impact beam 1, wherein the opening angles of the end portions are differently sized in a transition to the center portion.
The door impact beam 1, wherein the opening angle of the end portions ranges from 10° to 100° in a transition to the center portion.
The door impact beam 1, wherein the opening angle of the end portions ranges between 120° and 180° at a free end of the end portions.
The door impact beam 1, further comprising attachment brackets formed in one piece with the end portions and disposed at ends of the end portions for attachment of a door.
The door impact beam 1, further comprising separate attachment brackets connected at opposite ends of the end portions for attachment of a door by material union or interference fit.
Dependencies are inferred from the claim text.