Vehicle Seat Belt Fastening Device

A vehicle seat belt fastening device, the seat belt being equipped with a strap and a closing mechanism, the closing mechanism being simultaneously linked to the vehicle floor and also enabled to be linked in a sliding manner to the strap, the seat belt therefore being suitable for holding the strap in relation to the closing mechanism, and therefore in relation to the vehicle floor, characterised in that it comprises a tool that is enabled for the attachment and removal thereof in relation to the closing mechanism, the tool also being enabled for the manual manipulation thereof and for the manual attachment and manual removal thereof in the attachment and/or removal position thereof from the closing mechanism, the tool being equipped with means for cutting the strap and/or with means for breaking the windows of the same vehicle, further comprising a first part and a second part, both enabled to be comprised in the same closing mechanism, in which the first part is enabled to be linked in a sliding manner to the strap of the seat belt, and the second part is enabled to be comprised in the closing mechanism, such that it is linked to the vehicle floor, the first part and the second part being mutually couplable, the first part also remaining linked in a sliding manner to the strap and the same second part remaining linked to the vehicle floor, the first part, the second part and the tool being mutually enabled for a simultaneous insertion and/or passage of the tool through the first part and through the second part in the coupling of the latter two, the tool thus being able to be attached to the closing mechanism by means of the insertion and/or passage thereof through the second part, and furthermore, the first part and the second part being also able to be attached to each other in the coupling thereof by means of the simultaneous insertion and/or passage of the tool.