What are Bumping Docks?

Dock bumpers absorb the impact from a backing truck.

Bumping Docks

Rubber-dock-Bumper
Brand New Bumping Dock
Bad Bumping Dock

Bumping Docks Video

Bumping docks occurs when a truck driver backs a container in to a loading bay and bumps the trailers end with the dock bumpers.  Below is a great explainer video which talks about bumping docks.