Patent ID: 11939057
Assignee: MARK HAMM
Field: Transport (Mechanical engineering)
Classification: CPC B  E | IPC B

Claim 18:
19. A vehicle, comprising:
a tractor unit having a first plurality of wheels and a first external surface;
a trailer having a second plurality of wheels and a second external surface, the trailer connected to the tractor unit;
a storage enclosure disposed on the first external surface and defining a chamber; and
a perimeter device comprising a signal member and a UAV, the perimeter device having a non-deployed configuration in which the UAV is in a first position relative to the signal member and a deployed configuration in which the UAV is in a second position relative to the signal member, the perimeter device disposed in the chamber in the non-deployed configuration and adapted to exit the chamber and move to a position on a road surface adjacent said vehicle in response to a triggering event such that observers can visually detect the presence of the signal member adjacent said vehicle;
wherein the UAV has a housing, multiple support arms, and multiple propellers, each of the multiple support arms extending from the housing to one of the multiple propellers.