JPS58171944U - manhole cover - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

図面は本考案のいくつかの実施例を示したもので、第１
図は第１実施例の平面図、第２図は同じく正面図、第３
図は使用状態における第１実施例を示す縦断正面図、第
４図は第２実施例の縦断正面図、第５図は第３実施例の
縦断正面図、第６図は第４実施例の縦断正面図である。 図面中、符号１・・・・・・カバー主体、２・・・・・
・孔、３・・・・・・傾斜面、４・・・・・・外周縁、
５・・・・・・上面、ｈ・・・・・・孔回りの肉厚、Ｈ
・・・・・・マンホール突出高さ、Ｍ・・・１　　・・
・マンホール。The drawings show several embodiments of the present invention.
The figure is a plan view of the first embodiment, the second figure is a front view, and the third figure is a plan view of the first embodiment.
The figure is a longitudinal sectional front view showing the first embodiment in use, Fig. 4 is a longitudinal sectional front view of the second embodiment, Fig. 5 is a longitudinal sectional front view of the third embodiment, and Fig. 6 is a longitudinal sectional front view of the fourth embodiment. FIG. In the drawings, code 1...cover main body, 2...
- Hole, 3... Inclined surface, 4... Outer periphery,
5...Top surface, h...Thickness around the hole, H
...Manhole protrusion height, M...1...
·manhole.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 中央部に、マンホール外周に嵌める孔を形成して、当該
孔回りの肉厚を地面よから地上に突出したマンホールの
高さ相当の寸法に形成し、更に、上記孔の周囲上面を外
周縁に至る程漸次低くなる傾斜面に形成したマンホール
カバー。A hole is formed in the center to fit around the outer periphery of the manhole, and the wall thickness around the hole is formed to a dimension equivalent to the height of the manhole protruding from the ground above the ground. A manhole cover formed on a slope that gradually becomes lower.