JPH0365747U

JPH0365747U -

Info

Publication number: JPH0365747U
Application number: JP12539489U
Authority: JP
Priority date: 1989-10-25
Filing date: 1989-10-25
Publication date: 1991-06-26
Anticipated expiration: 2004-09-28
Also published as: JPH0637081Y2

Description

[Brief explanation of drawings]

第１図は本考案の一実施例の鉛直断面図、第２
図はその要部拡大図、第３図は第２図の左側面図
、第４図は蓋下面の断片的斜視図、第５，６図は
第１、第２部材の分解斜視図、第７，８図は作用
説明図である。１……蓋、１ａ……バール切欠、２……受枠、
２ａ……突起、３……ブラケツト、３ａ……溝、
１０……第１部材、１１……本体、１１ａ……孔
、１２……一方軸、１３……他方軸、１４……バ
ール切欠覆い、１５……重り部、１６……凸部、
２０……第２部材、２１……鈎部、２１１……本
体、２１１ａ……枢支軸、２１１ｂ……凹所、２
１２……引掛部、２２……ストツパ。 Figure 1 is a vertical sectional view of one embodiment of the present invention;
The figure is an enlarged view of the main parts, Figure 3 is a left side view of Figure 2, Figure 4 is a fragmentary perspective view of the lower surface of the lid, Figures 5 and 6 are exploded perspective views of the first and second members, Figures 7 and 8 are action explanatory diagrams. 1... Lid, 1a... Burl notch, 2... Receiving frame,
2a...Protrusion, 3...Bracket, 3a...Groove,
DESCRIPTION OF SYMBOLS 10... First member, 11... Main body, 11a... Hole, 12... One shaft, 13... Other shaft, 14... Burl notch cover, 15... Weight part, 16... Convex part,
20... Second member, 21... Hook portion, 211... Main body, 211a... Pivot shaft, 211b... Recess, 2
12...Hook part, 22...Stopper.

Claims

[Scope of Claim for Utility Model Registration] In an underground facility cover, a first member detachably and rotatably attached via a bracket to the back surface of the cover near the crowbar notch, and a pivot shaft of the first member. and a second member slidably fitted to the lid, the first member having a flat rectangular body having an upper side substantially parallel to the back surface of the lid and having a through hole in the thickness direction when the lid is closed. one shaft and the other shaft projecting from one and the other side of the main body parallel to the back surface of the lid to the bracket, a crowbar notch cover projecting upward from the top side of the main body, and a crowbar notch cover provided on the bottom side of the main body. a weight portion; and a convex portion protruding from a lower portion of one side of the main body or from one side of the weight portion; the second member has a pivot hole near an upper end; An opening/closing structure for an underground facility lid, characterized in that it has a recess that avoids the lid, and a hook portion in which a hook portion is formed at the lower end of the main body.