Apparently, some people are reluctant to fasten their seat belts in cars because they live in dread of being trapped in a vehicle when it catches fire or is submerged in water.
This results in surprising numbers of fatalities which might be avoided.
Today’s invention is a simple device which allows someone to cut their safety belt in the unlikely event that they are trapped inside.
It takes the form of a guide which is bonded across the width of the belt in the factory.
Between the sides of the guide a small, ultra-sharp blade can be drawn, using a ringpull arrangement as shown.
The ringpull would normally be held in place with a blob of wax so that any tampering with, or accidental movement of, the blade would be obvious.