JPS59164815U

JPS59164815U - bolt

Info

Publication number: JPS59164815U
Application number: JP6006983U
Authority: JP
Inventors: 岩崎　敏孝
Original assignee: 第一工業株式会社
Priority date: 1983-04-20
Filing date: 1983-04-20
Publication date: 1984-11-05

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

[Brief explanation of the drawing]

第１図はボルトの正面図、第２図は主ナツトを一部切欠
して示した正面図、第３図は副ナツトの正面図、第４図
は副ナツトを中央部で切断して示した正断面図、第６図
は使用の状態を示す正面図、第６図は中央部で切断して
使用の状態を示した正断面図である。Ａ・・・ボルト、３・・・主雄ねじ、４・・・開維ねじ
、５・・・主ナツト、６・・・副ナツト。Figure 1 is a front view of the bolt, Figure 2 is a front view of the main nut with a portion cut away, Figure 3 is a front view of the sub-nut, and Figure 4 is a front view of the sub-nut cut away at the center. FIG. 6 is a front view showing the state of use, and FIG. 6 is a front sectional view taken by cutting at the center and showing the state of use. A...Bolt, 3...Main male thread, 4...Open thread, 5...Main nut, 6...Secondary nut.

Claims

[Scope of utility model registration request]

In a bolt A having a main male thread 3 carved in the shaft part 2, the outer diameter is made suitably thinner than the root diameter of the main male thread 3 at the tip of the shaft part 1, and an open-fiber thread is threaded in the opposite direction of the main male thread 3. 4, a main nut 5 is attached to the main male thread 3, a hollow part 8 whose inner diameter is arbitrarily larger than the outer diameter of the main male thread 3 is provided in the open fiber screw 4, and a removal screw is screwed into the open fiber screw 4 below the hollow part 8. A bolt characterized in that it is formed by screwing together a secondary nut 6 having a diameter 9.