HINGE DEVICE FOR THE ARTICULATED ATTACHMENT OF A HOOD TO A VEHICLE CHASSIS

摘要

The present invention relates to a hinge device for the articulated attachment of a hood to a vehicle chassis, the device comprising a lower bar and an upper bar attached to one another in an articulated manner; a retaining mechanism which, in a retaining position (R), maintains the angle α formed by the lower and upper bars and fastens the assembly formed by said bars to a support body such that the device adopts a compact shape; and an actuator capable of moving the retaining mechanism to a release position (L), disabling the function of the mentioned retaining mechanism, the device being prepared for adopting at least two different collapsed shapes (A and B) without the actuator moving the retaining mechanism to its release position (L) depending on the location of the resultant of a vertical downward force (F) transmitted to the upper bar of the device, caused by hitting a pedestrian, for example.

主权项

1. A hinge device for the articulated attachment of a hood to a vehicle chassis, the device comprising a support body intended for being firmly secured to the vehicle chassis; a lower bar rotatably attached to the support body through a lower articulation; an upper bar supporting the rotating shaft about which the hood rotates in normal conditions of use which is rotatably attached to the lower bar through an intermediate articulation; a retaining mechanism which, in a retaining position, maintains the angle α formed by the lower and upper bars and fastens the assembly formed by said bars to the support body such that the device adopts a compact shape; and an actuator capable of moving the retaining mechanism to a release position, disabling the function of the mentioned retaining mechanism and causing the angle formed by the lower and upper bars to increase and the device to accordingly adopt an extended shape, lifting the rotating shaft of the hood, characterized in that the device is prepared for adopting at least two different collapsed shapes without the actuator moving the retaining mechanism to its release position, one collapsed shape due to the rotation of the upper bar about the intermediate articulation and the other collapsed shaped due to the rotation of the lower bar about the lower articulation depending on the location of the resultant of a vertical downward force transmitted to the upper bar of the device, caused by hitting a pedestrian, for example.