JPS6317218U - - Google Patents
Info
- Publication number
- JPS6317218U JPS6317218U JP11132786U JP11132786U JPS6317218U JP S6317218 U JPS6317218 U JP S6317218U JP 11132786 U JP11132786 U JP 11132786U JP 11132786 U JP11132786 U JP 11132786U JP S6317218 U JPS6317218 U JP S6317218U
- Authority
- JP
- Japan
- Prior art keywords
- tread
- plate
- riser
- rising
- horizontal portion
- 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.)
- Granted
Links
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000005452 bending Methods 0.000 claims 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11132786U JPH043054Y2 (is) | 1986-07-18 | 1986-07-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11132786U JPH043054Y2 (is) | 1986-07-18 | 1986-07-18 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6317218U true JPS6317218U (is) | 1988-02-04 |
| JPH043054Y2 JPH043054Y2 (is) | 1992-01-31 |
Family
ID=30991148
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11132786U Expired JPH043054Y2 (is) | 1986-07-18 | 1986-07-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH043054Y2 (is) |
-
1986
- 1986-07-18 JP JP11132786U patent/JPH043054Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH043054Y2 (is) | 1992-01-31 |