JPH01152658U - - Google Patents
Info
- Publication number
- JPH01152658U JPH01152658U JP4912388U JP4912388U JPH01152658U JP H01152658 U JPH01152658 U JP H01152658U JP 4912388 U JP4912388 U JP 4912388U JP 4912388 U JP4912388 U JP 4912388U JP H01152658 U JPH01152658 U JP H01152658U
- Authority
- JP
- Japan
- Prior art keywords
- view
- board
- ring
- spring
- safety pin
- 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
- 230000035939 shock Effects 0.000 description 6
- 230000037431 insertion Effects 0.000 description 4
- 238000003780 insertion Methods 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
Landscapes
- Steps, Ramps, And Handrails (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4912388U JPH01152658U (pl) | 1988-04-12 | 1988-04-12 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4912388U JPH01152658U (pl) | 1988-04-12 | 1988-04-12 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH01152658U true JPH01152658U (pl) | 1989-10-20 |
Family
ID=31275239
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4912388U Pending JPH01152658U (pl) | 1988-04-12 | 1988-04-12 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH01152658U (pl) |
-
1988
- 1988-04-12 JP JP4912388U patent/JPH01152658U/ja active Pending