초록 ▼

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

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 and being supported by the supporting members. The supporting members are being detachable and replaceable so that the wall of suspension member can be raised or lowered thus enabling the cover of conduit hole to be adjusted to a level with a changing road surface.

대표청구항 ▼

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 o

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 seat; a plurality of supporting members respectively surrounding said plurality of bolts and piled up along each of said bolts, each of said supporting members being in shape of open annulus; a suspension member having a peripheral wall with an upper opening and lower opening, and a bottom plate protruding inwardly from said peripheral wall of said suspension member and surrounding said lower opening, said bottom plate having a plurality of holes formed therealong and passed through by said bolts, whereby said suspension member is supported by said piled up supporting members and mounted within the fixing member; and a covering plate disposed on said suspension member, shielding said upper opening of said suspension member.