PROBLEM TO BE SOLVED: To provide a dust seal which is attachable even after assembling, and excellent in acoustic insulation.SOLUTION: A dust seal comprises: a plurality of seal rings which are arranged between an axial hole part of an apparatus and a shaft which is inserted into the axial hole part, and composed of rubbery elastic materials (rubber materials or synthetic resin materials having rubbery elasticity) which are divided into a circumferential direction at one or more dividing parts in the circumferential direction; and a binding member which makes a plurality of the seal rings closely superimposed on one another, and binds the seal rings in a state that the divided portions are made to tightly abut on one another.SELECTED DRAWING: Figure 1
【課題】軸の組み込み後でも装着可能で、かつ遮音性に優れたダストシールを提供する。【解決手段】機器の軸孔部とこの軸孔部に挿通された軸との間に配置され、それぞれ円周方向1か所以上の分割部で円周方向に分割されたゴム状弾性材料(ゴム材料又はゴム状弾性を有する合成樹脂材料)からなる複数のシールリングと、この複数のシールリングを互いに密接重合させると共に前記分割部を密接衝合させた状態で環状に結束する結束部材とを備えることを特徴とするダストシール。【選択図】図1
DUST SEAL
ダストシール
2016-02-01
Patent
Electronic Resource
Japanese