|국가/구분||United States(US) Patent 등록|
|발명자 / 주소|
|출원인 / 주소|
|대리인 / 주소||
|인용정보||피인용 횟수 : 8 인용 특허 : 17|
A utility cover system for preventing water and silt leakage into a utility entrance within a road surface. The utility cover system includes an outer frame having an opening defined by an inner tapered edge, and a wedge cover having an outer tapered edge that fits within the opening of the outer frame. The outer frame preferably has an inner segment and an outer segment, wherein the outer segment is thinner than the inner segment.
I claim: 1. A utility cover system, comprising: an outer frame having an opening defined by an inner tapered edge, wherein said inner tapered edge tapers inwardly and upwardly and wherein said inner tapered edge faces downwardly; and a wedge cover formed from a resilient material and having an outer tapered edge and a bottom surface that is positionable over a utility cover, wherein said outer tapered edge tapers inwardly and upwardly, wherein said outer tapered edge is engageable with said inner tapered edge of said outer frame and wherein said flexibl...