JPS6294134U

JPS6294134U -

Info

Publication number: JPS6294134U
Application number: JP18528185U
Authority: JP
Priority date: 1985-11-30
Filing date: 1985-11-30
Publication date: 1987-06-16
Also published as: JPH03434Y2

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す分解斜視図、
第２図は第１図のロツク用孔を示す正面図、第３
図は受け部材の変形例を示す斜視図、第４図は複
数のロツク用孔を示す正面図、第５図はロツク用
を略Ｔ字形に形成した例を示す正面図、第６図は
第１図のものとはロツク手段が異なる落下物受け
装置を示す分解斜視図、第７図は側枠の一部を切
り欠いた例を示す受け部材の斜視図、第８図は受
け部材のロツク状態を示す要部断面図、第９図は
従来のマンホール開口部を示す斜視図である。１……マンホール、４……受け枠、６……受け
部材、７……側枠、８……ロツク用孔、９……突
起。 FIG. 1 is an exploded perspective view showing an embodiment of the present invention;
Figure 2 is a front view showing the locking hole in Figure 1;
4 is a front view showing a plurality of locking holes, FIG. 5 is a front view showing an example in which the locking holes are formed into a substantially T-shape, and FIG. An exploded perspective view showing a falling object receiving device with a different locking means from that shown in Fig. 1, Fig. 7 is a perspective view of the receiving member showing an example in which a part of the side frame is cut away, and Fig. 8 shows the locking of the receiving member. FIG. 9 is a sectional view of main parts showing the state, and a perspective view showing a conventional manhole opening. 1... Manhole, 4... Receiving frame, 6... Receiving member, 7... Side frame, 8... Locking hole, 9... Protrusion.

Claims

[Scope of utility model registration request]

FRP that can be inserted into the square opening of a manhole
a mesh-shaped receiving member made of mesh, a protrusion is provided on one of both sides of the receiving member and an inner wall of the opening, and the other side not provided with the protrusion is removably engaged with the protrusion; A fallen object receiving device for a manhole, which is formed with a locking hole that regulates the vertical displacement of a receiving member.