JPH01149013U - - Google Patents
Info
- Publication number
- JPH01149013U JPH01149013U JP4642488U JP4642488U JPH01149013U JP H01149013 U JPH01149013 U JP H01149013U JP 4642488 U JP4642488 U JP 4642488U JP 4642488 U JP4642488 U JP 4642488U JP H01149013 U JPH01149013 U JP H01149013U
- Authority
- JP
- Japan
- Prior art keywords
- screw shaft
- head
- bolt
- drop
- shaft
- 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
- 230000002265 prevention Effects 0.000 claims description 5
Landscapes
- Connection Of Plates (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4642488U JPH01149013U (fr) | 1988-04-06 | 1988-04-06 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4642488U JPH01149013U (fr) | 1988-04-06 | 1988-04-06 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01149013U true JPH01149013U (fr) | 1989-10-16 |
Family
ID=31272692
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4642488U Pending JPH01149013U (fr) | 1988-04-06 | 1988-04-06 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01149013U (fr) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52122759A (en) * | 1976-04-07 | 1977-10-15 | Nisshin Steel Co Ltd | Method of preventing flange bolt and nut from unscrewing and flange bolt produced thereby |
JPS556540B2 (fr) * | 1975-04-14 | 1980-02-18 |
-
1988
- 1988-04-06 JP JP4642488U patent/JPH01149013U/ja active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS556540B2 (fr) * | 1975-04-14 | 1980-02-18 | ||
JPS52122759A (en) * | 1976-04-07 | 1977-10-15 | Nisshin Steel Co Ltd | Method of preventing flange bolt and nut from unscrewing and flange bolt produced thereby |