System for fixing head-up vision case on crosspiece of fascia of car in vicinity of front windscreen, has disengagement units for automatically disengaging case from crosspiece during frontal shock by releasing bolts from through openings

摘要

The system (20) has attaching units comprising bolts positioned in through openings (23, 24) of attaching interfaces (25, 26) between a head-up vision case and a crosspiece of a fascia (2) to ensure attachment of the case with the crosspiece. Automatic disengagement units (21, 22) automatically disengage the case from the crosspiece during frontal shock by releasing the bolts from the openings. Radial extensions of the through openings are directed along a direction of natural force of withdrawal of the case with respect to the crosspiece during the frontal shock.