| 摘要 |
<p>The present abstract relates to a utility model patent to a safety device (1) protecting against impacts, pertaining to the field of components of external rearview mirrors (100), in particular for motor vehicles such as buses, trucks and other large vehicles. The device comprises an elongated pin (2) that hingedly connects the lower horizontal section (105) of the arm with the base (107) of the mirror; a pair of washers (20, 30) arranged at the end of the pin (2); a helical spring (40) compressed between the washer (30) and the wall (10) of the base (107); a pair of superposed bushings having a U-shaped section and holes through which the end of the pin next to the pin head extends, one of the bushings (50) being fixed and retained inside parallel grooves (51) on the outside of the wall (10) of the base (107), and the top bushing (60) being movable, coupled to the first bushing, attached to a portion (3) of the pin (2) and arranged between the lower bushing (50) and the end of the horizontal section (105) of the C-shaped arm which is provided with a hole (70) which is also attached to the portion (3) of the pin (2) next to the pin head (4), which is retained against the zone of the outer surface of the horizontal section (105) of the arm around the hole (70).</p> |
