bumper bar

noun

bumper bar

noun

1

A metal bar or set of bars that are installed to protect the front or back of a vehicle.

By grasping the bumper bar at the center a slight backward pull accompanied by a lifting motion enables the driver to swing the bumper bar to a position where it will not in any way interfere with the filing of the buckets.1920, Oildom - Volume 11, Issues 2-11, page 6:
In order to attach the main iron to the bumper bar, an angle bar is run over the main iron and back of the bumper bar.1937, Ray Forest Kuns, Trailer Engineering, page 48:

1 more example

It is used to stiffen the assembly carrying the bumper bar, to carry the front edge of a tread plate if one is used for a rear step, and to hold the rear ends of hangers, indicated as H, if a spare tire carrier rack or compartment is added.1951, Autobody and the Reconditioned Car - Volume 30, page 57:

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.