Patent ID: 8343357

Claim:
An expandable street curb inlet filter for filtering debris flowing into a street curb inlet having a top and a base, comprising: a. a rigid frame strut having a first guided sleeve pivotally attached on a first end and rigidly connected at a second end to a first extended rod; b. a rigid compression strut pivotally connected at a first end at a point between the first and second end of said rigid frame strut and fixedly connected at its second end to a second extended rod; c. a second guided sleeve pivotally attached between said first end and said second end of said rigid compression strut; said second guided sleeve fixedly attached to a threaded nut; d. a threaded fastener passing through said first guided sleeve and said threaded nut of said second guided sleeve; e. a filter medium attached fixedly between said first and second extended rods; f. wherein said threaded fastener, when tightened, moves said rigid compression strut upwards in a reverse scissor movement to separate said first and second extended rods and deploy said filter medium and seal said first and second rods against said top and base of said street curb inlet.