JPS59188309U - Fixation 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 drawings]

第１図Ａは従来例の側断面図、第１図Ｂは第１図ＡのＡ
部拡大図、第１図Ｃは他の実施例の要部側断面図、第２
図は本考案の一実施例の一部を示す側断面図、第３図は
要部の正面図、第４図は第３図のＢ−Ｂ矢視図である。 １８：ボルト本体、１９：押え板、２０：拡張コマ、２
１：漏斗状の谷面、２２ニスリツト、２３：下部コマ、
２４：漏斗状の山面、２６：支持部材。Figure 1A is a side sectional view of the conventional example, and Figure 1B is A of Figure 1A.
Fig. 1 C is a side sectional view of the main part of another embodiment, Fig. 2
The figure is a side sectional view showing a part of an embodiment of the present invention, FIG. 3 is a front view of the main part, and FIG. 4 is a view taken along the line B--B in FIG. 3. 18: Bolt body, 19: Holding plate, 20: Expansion piece, 2
1: Funnel-shaped valley surface, 22 Nisuritsu, 23: Lower piece,
24: Funnel-shaped mountain surface, 26: Support member.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] ボルト本体１８と、該ボルト本体１８の頭部に配設され
る押え板１９と、前記ボルト本体１８の先端部に螺合さ
れる下部コマ２３と、該下部コマ２３と前記押え板１９
との間に位置して前記ボルト本体１８に遊挿される拡張
コマ２０と、該拡張コマ２０と前記押え板１９との間に
設けられる支持部材２６とを備え、前記拡張コマ２０と
下部コマ２３との当接面をそれぞれ漏斗状の谷面２１及
び山面２４に形成して嵌合し、かつ前記拡張コマ２０の
側面に軸方向のスリット２２を設けたことを特徴とする
固定装置。A bolt body 18, a presser plate 19 disposed on the head of the bolt body 18, a lower piece 23 screwed onto the tip of the bolt body 18, and the lower piece 23 and the presser plate 19.
and a support member 26 provided between the expansion piece 20 and the presser plate 19, the expansion piece 20 and the lower piece 23 A fixing device characterized in that the abutting surfaces of the expansion piece 20 are formed into funnel-shaped trough surfaces 21 and crest surfaces 24, respectively, for fitting, and an axial slit 22 is provided in the side surface of the expansion piece 20.