JPS5819170U - dust cover device - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

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

第１図は本考案によるダストカバ一本体の縦断面図、第
２図は第１図示のダストカバーの組付状態を示す縦断面
図、第３図イ１口、ハは本考案に適用される貫通孔の変
形形状説明図、第４図は同貫通孔の軸方向断面の変形形
状説明図、第５図は従来のダストカバーの縦断面図であ
る。 １・・・ダストカバー、５・・・貫通孔。Fig. 1 is a vertical sectional view of the main body of the dust cover according to the present invention, Fig. 2 is a longitudinal sectional view showing the assembled state of the dust cover shown in Fig. 1, and Fig. 3 A1 and C are applied to the present invention. FIG. 4 is an explanatory diagram of a deformed shape of a through hole, FIG. 4 is an explanatory diagram of a deformed shape of an axial cross section of the through hole, and FIG. 5 is a longitudinal sectional view of a conventional dust cover. 1...Dust cover, 5...Through hole.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）ボールジヨイント等のダストカバー装置において
、上部にはボールスタッドとの嵌合部を有し、又下部に
はボールジヨイントソケットとの嵌合部を有し、中央部
には円筒状ブーツ部を有したダストカバーの取付状態時
軸方向で外周表面部が圧縮で内周面部が引張となるブー
ツ部分に組付前の自由状態で貫通孔を設けたことを特徴
とするダストカバー装置。(1) In a dust cover device such as a ball joint, the upper part has a fitting part with a ball stud, the lower part has a fitting part with a ball joint socket, and the central part has a cylindrical shape. A dust cover device characterized in that a through hole is provided in a boot portion in which the outer peripheral surface portion is compressed and the inner peripheral surface portion is tensile in the axial direction when the dust cover having a boot portion is installed. . （２）該貫通孔を周方向切溝とした実用新案登録請求の
範囲第１項記載のダストカバー装置。(2) The dust cover device according to claim 1, wherein the through hole is a circumferential cut groove.