Commercial vehicle drop-down drive-under protection device has lever arms and guide mechanism for movement of rear bumper bar between raised and lowered positions

摘要

The drive-under protection device is attached to the chassis (1) of the commercial vehicle via lever arms (6) on either side of the vehicle, for movement between a raised inactive position and a lowered active position. The free end of each lever arm is provided with a second lever arm (8) supporting a rear bumper bar (10), with a guide mechanism (19) cooperating with or both lever arms.