JPS62190743U

JPS62190743U -

Info

Publication number: JPS62190743U
Application number: JP7976086U
Authority: JP
Priority date: 1986-05-26
Filing date: 1986-05-26
Publication date: 1987-12-04

Description

[Brief explanation of the drawing]

第１図は一部を切欠いた要部拡大平面図、第２
図は同上の作用を説明する縦断面図、第３図、第
４図は施錠鉤の斜視図、第５図は解錠棒の斜視図
である。１……地下構造物用蓋構造、２……蓋本体、３
……受枠、４……施錠鉤。 Figure 1 is an enlarged plan view of the main part with a part cut away, Figure 2
The figure is a longitudinal cross-sectional view for explaining the same action as above, FIGS. 3 and 4 are perspective views of the locking hook, and FIG. 5 is a perspective view of the unlocking bar. 1... Lid structure for underground structures, 2... Lid body, 3
...Receiver frame, 4...Lock hook.

Claims

[Scope of utility model registration request]

In the lid body 2, the receiving frame 3, and the locking hook 4, the locking hook 4 has a bracket portion 2A with an upper portion projecting downwardly from the lower surface of the lid body 2.
is pivotally connected with pin 4A, and the receiving frame 3 is attached to the lower end.
It has an engaging portion 4B that engages with the engaging protrusion 3A, and an unlocking rod engaging portion 4C that extends toward the circumferential edge of the lid main body 2 projects from the upper part. On the other hand, an elongated unlocking rod insertion hole 2B is formed in the lid main body 2 from the periphery of the lid main body 2 toward the center, and the unlocking rod is engaged with the unlocking rod insertion hole 2B. A lid structure for an underground structure, characterized in that a portion 4C is exposed.