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1. US20090324329 - Manhole Cover for Preventing Inflow of Bad Smell and Harmful Insect

Office
United States of America
Application Number 11909244
Application Date 23.05.2006
Publication Number 20090324329
Publication Date 31.12.2009
Publication Kind A1
IPC
E02D 29/14
EFIXED CONSTRUCTIONS
02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL-SHIFTING
DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
29Underground or underwater structures; Retaining walls
12Manhole shafts; Other inspection or access chambers; Accessories therefor
14Covers for manholes or the like; Frames for covers
Inventors Choi Youn Ho
Agents BOYLE FREDRICKSON S.C.
Title
(EN) Manhole Cover for Preventing Inflow of Bad Smell and Harmful Insect
Abstract
(EN)

A manhole cover for preventing the inflow of a bad smell and a harmful insect is provided. More particularly, the manhole cover includes a manhole top plate that has a plurality of drainage holes and a display part; a drainage guide plate that is integrally formed in a bottom part of the manhole top plate; a gate that is provided in a front end exit of the drainage guide plate and that is closed by a weight; and walls that are vertically and integrally formed in four edges of the manhole top plate. The display part, which is provided in one side of the manhole top plate can perform a specific display such as a trademark, a firm name, a logo, a slogan. The gate can be fully opened or closed within a space part by forming the space part in a lower part of the display part.


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