JPS6423504U - - Google Patents

Description

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

図面は本考案の弾性免震支持装置の実施例を示
し、第１図はその一実施例の設置状態にある縦断
面図（第２図の−線断面図）、第２図は第１
図の−線断面図、第３図は補強板の平面図、
第４図ａ，ｂ，ｃはこの免震支持装置の作用説明
図、第５図ａ，ｂは他の実施例の縦断面図及び平
面図である。 Ｇ……上部構造、Ｂ……下部構造、１０，３０
……積層ゴム体、１０Ａ，３０Ａ……上面、１０
Ｂ，３０Ｂ……下面、１１，３１……鉛プラグ、
１５，３５……ゴム弾性層、１６，３６……補強
板、１４，３４……中空部。 The drawings show an embodiment of the elastic seismic isolation support device of the present invention, and FIG.
3 is a plan view of the reinforcing plate,
Figures 4a, b, and c are explanatory diagrams of the operation of this seismic isolation support device, and Figures 5a, b are longitudinal sectional views and plan views of another embodiment. G... Upper structure, B... Lower structure, 10,30
...Laminated rubber body, 10A, 30A...Top surface, 10
B, 30B... bottom surface, 11, 31... lead plug,
15, 35... Rubber elastic layer, 16, 36... Reinforcement plate, 14, 34... Hollow part.

Claims (1)

【実用新案登録請求の範囲】 １ 上部構造と下部構造との間に介装され、ゴム
弾性層と補強板とを交互に積層してなる積層ゴム
体において、 積層ゴム体は内部に中空部を有し、少なくとも
等幅の外側壁で囲まれる高さ方向に等断面の形状
に形成され、かつ積層ゴム体の水平方向変形時の
許容変形域において上面の荷重作用点が実質的に
下面内にある、 ことを特徴とする弾性免震支持装置。 ２ 積層ゴム体の内部に鉛プラグが封入されてな
る実用新案登録請求の範囲第１項に記載の弾性免
震支持装置。[Scope of Claim for Utility Model Registration] 1. A laminated rubber body interposed between an upper structure and a lower structure and consisting of alternately laminated rubber elastic layers and reinforcing plates, the laminated rubber body having a hollow portion inside. It is formed in a shape with an equal cross section in the height direction surrounded by outer walls of at least equal width, and the load application point on the upper surface is substantially within the lower surface in the allowable deformation area when the laminated rubber body is deformed in the horizontal direction. An elastic seismic isolation support device characterized by: 2. The elastic seismic isolation support device according to claim 1 of the utility model registration claim, in which a lead plug is sealed inside a laminated rubber body.