JPH01102237U - - Google Patents

Description

Translated fromJapanese

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

第１図は本願の固定装置の縦断面図、第２図は
構成部品の斜視図、第３図は蓋受枠の平面図、第
４図は要部の斜視図である。 １は蓋受枠、３，５，１０はボルト孔、４は回
転防止ワツシヤー、７は下向突起、８は上向突起
、９は角ワツシヤー、１１は楕円ボルト、１２は
ナツトである。 FIG. 1 is a longitudinal sectional view of the fixing device of the present application, FIG. 2 is a perspective view of the constituent parts, FIG. 3 is a plan view of the lid holder frame, and FIG. 4 is a perspective view of the main parts. 1 is a lid receiving frame, 3, 5, and 10 are bolt holes, 4 is a rotation prevention washer, 7 is a downward projection, 8 is an upward projection, 9 is a square washer, 11 is an oval bolt, and 12 is a nut.

Claims (1)

Translated fromJapanese

【実用新案登録請求の範囲】[Scope of utility model registration request] ボルト孔の縁に下向突起を突設しかつ側縁に上
向突起を突設してなる回転防止ワツシヤーを蓋受
枠の上表面に載置し、前記下向突起を蓋受枠のボ
ルト孔の内周面に係止し、かつ該回転防止ワツシ
ヤーの上に楕円形ボルト孔を有する角ワツシヤー
を載置し、更にこれ等の角ワツシヤー、回転防止
ワツシヤー及び蓋受枠を楕円ボルトを介してコン
クリート管に締め付けて固定したことを特徴とし
たマンホール受枠の固定装置。 An anti-rotation washer with a downward protrusion protruding from the edge of the bolt hole and an upward protrusion protruding from the side edge is placed on the upper surface of the lid holder frame, and the downward protrusion is inserted into the bolt hole of the lid holder frame. A square washer that is fixed to the inner circumferential surface and has an oval bolt hole is placed on top of the anti-rotation washer, and these square washer, anti-rotation washer, and lid receiving frame are connected to the concrete pipe through the oval bolt. A fixing device for a manhole receiving frame, which is characterized by being tightened and fixed.