Covering apparatus for opening of underground pipeline or box
a technology for covering apparatuses and underground pipelines, applied in the field of covering apparatuses, can solve the problems of uneven surface of covering apparatuses, inability to adjust the height of covering apparatuses, and traffic accidents, and achieve the effect of increasing the safety of pedestrians
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[0021] Referring to FIGS. 1 and 2, there is shown a covering apparatus for an opening of a sewer, a tap water pipeline, or an underground pipeline or box for devices for fire fighting, telecommunication or electric power according to a first embodiment of the present invention. The covering apparatus includes a seat assembly and a cover 20. The seat assembly includes a seat 10, at least one ring 30 and at least one brace 40.
[0022] The covering apparatus will be described in detail referring to FIGS. 1 through 3. The seat 10 is hollow such as annular, rectangular and polygonal. Preferably, the seat 10 is annular.
[0023] The seat 10 is hollow such as annular, rectangular or polygonal. Preferably, the seat 10 is annular. Being hollow, the seat 10 defines a space 15 in the center and hence includes an external side and an internal side. The seat 10 includes a flange 11 on and around the external side and a plurality of flights 16 on the internal side evenly. In this embodiment, there a...
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