Theft-proof number plate, has base plate screwed to fastening base using counter sunk-safety screw, which connects back frame with base plate, where screw is guided into frame through hole and is screwed with base plate and thread

摘要

The plate has a base plate screwed to a fastening base such as motor vehicle bumper using a counter sunk-safety screw. A number plate blade is situated in a tray of the base plate, and a back frame is connected with the base plate using the counter sunk-safety screw. The counter sunk-safety screw is guided into the back frame through a hole (d), and is screwed with the base plate and a thread.