|국가/구분||United States(US) Patent 등록|
|미국특허분류(USC)||404/26 ; 52/20 ; 220/37 ; 220/38|
|발명자 / 주소|
|인용정보||피인용 횟수 : 5 인용 특허 : 0|
A covering device for detachably shielding an access hole which is provided on the top portion of a conduit box, includes a fixing member having a peripheral wall defining a top opening and a bottom opening and a base protruding inwardly therefrom; a plurality of bolts being fixed on the base of the fixing member; a plurality of supporting members respectively surrounding the bolts and piled up along the same bolts; a suspension member having a peripheral wall defining an upper opening and a lower opening and a bottom plate protruding inwardly therefrom ...
A covering device for detachably shielding an access hole which is provided on the top portion of a conduit box, comprising: a fixing member having a peripheral wall with a top opening and a bottom opening, and a bottom seat protruding inwardly from said peripheral wall and surrounding said bottom opening, said bottom seat being adapted properly to fix on the top portion of said conduit box, aligning said bottom opening of said fixing member with the access hole of said conduit box; a plurality of bolts upwardly fixed on and allocated around said bottom ...