Storm drain sump filter

Claim 1

A filter for use with a drain having a sump and a fluid outlet through a wall of the sump, said filter comprising: a bag-like member having a cylindrical body portion and a relatively circular base portion secured to a bottom wall of said cylindrical body portion; said bag-like member including upper support means for positioning on an upper perimeter of the sump to align said bag-like member in a downwardly depending relationship in the sump, said support means having opening means for communicating with an interior portion of said cylindrical body portion; said bag-like member being fabricated from a resilient mesh-like synthetic material which is relatively non-degradable by water or organic matter, said mesh-like synthetic material providing filtering openings through said bag-like member; spacer means secured to an outer surface of said cylindrical body portion of said bag-like member to prevent said cylindrical body portion from abutting against a wall of the sump; said spacer means including a plurality of longitudinally extending spacer fins disposed parallel to each other and spaced around said cylindrical body portion, said spacer fins being fabricated from a synthetic material which is relatively non-degradable by water or organic matter; said base portion having an opening in a bottom portion thereof to provide a toroid-shaped outer portion; weighted means disposed in said toroid-shaped outer portion for maintaining said cylindrical body portion of said bag-like member in a relatively expanded configuration, said weighted means being reshapeable to permit said base portion to be fitted in various sized sumps, said weighted means including a plurality of weighted materials each having a larger dimension than said filtering openings through said bag-like member to retain said weighted materials in said toroid-shaped outer portion.