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US 7,731,448 B2Granted
Portable rumble strip
OwnerAnthony Fillieinventor
Life of this patent
Estimating the term…
Abstract
A portable rumble strip that is adapted to conform to a roadway having a base portion, grips that adhere to the roadway, and a plurality of vibrators protruding away from the roadway. The vibrators are effective to cause a vibration in a tire when engaged by a moving vehicle and effectively alerting the driver of the vehicle.
Claims11
A portable rumble strip comprising:
- a base having a first and an opposing second side, said first side adapted to conform to a roadway, said opposing second side extending outward from said roadway;
- grips orientated on said first side of said base effective to adhere said base to said roadway by friction;
- and
- vibrators extending a length of said base, having a first side flush with said first side of said base and an opposing second side protruding away from said base effective to cause a vibration when engaged by a moving vehicle, said vibrators second sides being spaced apart so that when said portable rumble strip is rolled up, said vibrators interlock for storing and carting without damaging said portable rumble strip.
1 more element
Dependencies are inferred from the claim text.