JPS6449704A - Self-lock bolt - Google Patents
Self-lock boltInfo
- Publication number
- JPS6449704A JPS6449704A JP20774087A JP20774087A JPS6449704A JP S6449704 A JPS6449704 A JP S6449704A JP 20774087 A JP20774087 A JP 20774087A JP 20774087 A JP20774087 A JP 20774087A JP S6449704 A JPS6449704 A JP S6449704A
- Authority
- JP
- Japan
- Prior art keywords
- seat surface
- bolt
- nut
- fastened
- turning
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Bolts, Nuts, And Washers (AREA)
Abstract
PURPOSE: To prevent the nut from turning together with the bolt when it is fastened by containing an arbitrary-shaped member made of hard material with a part of it protruding out of the seat surface in a recess arranged on the seat surface of the bolt. CONSTITUTION: A recess 2 arranged on the seat surface 1 of the bolt contains a hard member 3. The hard member 3 has a HRC of e.g. over 60, and a part of it protrudes out of the seat surface 1. When a nut is inserted from the opposite side of the seat surface 1 and fastened by a spanner or the like, all the axial fastening load generated by the turning of the nut is applied to the extremity of the protrusion, which contacts the counterpart seat surface in a point contact way and bites into it at last. Therefore it is possible to prevent the nut from turning together with the bolt when it is fastened.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20774087A JPS6449704A (en) | 1987-08-20 | 1987-08-20 | Self-lock bolt |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20774087A JPS6449704A (en) | 1987-08-20 | 1987-08-20 | Self-lock bolt |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6449704A true JPS6449704A (en) | 1989-02-27 |
Family
ID=16544750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20774087A Pending JPS6449704A (en) | 1987-08-20 | 1987-08-20 | Self-lock bolt |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6449704A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008089030A (en) * | 2006-09-29 | 2008-04-17 | Kayaba Ind Co Ltd | Hydraulic control device |
-
1987
- 1987-08-20 JP JP20774087A patent/JPS6449704A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008089030A (en) * | 2006-09-29 | 2008-04-17 | Kayaba Ind Co Ltd | Hydraulic control device |
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