Rupturable type hood hinge device
AssigneesHyundai Motor Company, Kia Motors Corporation
InventorsSang Il Kim, Seong Tae Hong
Life of this patent
Estimating the term…
Abstract
A rupturable type hood hinge device is provided on a vehicle body for opening or closing an engine room and reduces injury to a walker by reducing impact caused from collision with a hood. The hinge device includes a hinge bracket disposed on the engine room and fixed to the vehicle body and a hinge arm fixed to the hood to be rotatable with respect to the hinge bracket. A lowering lever link-connects one side of the hinge arm and one side of the hinge bracket. A rupturable bolt hinge-connects a connection portion of the lowering lever and the hinge bracket and is configured to sense the impact caused when the walker collides with the hood and at the same time to rupture such that the hood and the hinge arm fall and thereby the impact of the walker is dampened.
Claims4
A rupturable active hood hinge device provided on a vehicle body for opening or closing an engine room and reduces injury to a walker by reducing an impact caused by collision with a hood, the device comprising:
- a hinge bracket disposed on the engine room and fixed to the vehicle body, the hinge bracket having opposing first and second sides;
- a hinge arm fixed to the hood to be rotatable with respect to the hinge bracket;
- a lowering lever link-connecting one side of the hinge arm to the first side of the hinge bracket;
- and
- a rupturable bolt hinge-connecting a connection portion of the lowering lever and the hinge bracket and configured to sense the impact caused when the walker collides with the hood and at substantially the same time to rupture such that the hood and the hinge arm fall and thereby the impact of the walker is dampened,
- wherein the rupturable bolt comprises:
- a body section that is penetration-inserted so as to link-connect the hinge bracket and the lowering lever;
- a bolt section extending from one end of the body section and fastened to the hinge bracket;
- a main charge that is provided inside the body section and is configured to separate the body section and the bolt section with an explosion;
- an initiator that is provided on one side of the body section and is configured to ignite the main charge when a vehicle collides with a walker;
- and
- a connection gun powder that is provided inside the body section and is configured to transfer the fire of the initiator to the main charge.
Dependencies are inferred from the claim text.