JPH0619758Y2 - 作業梯子の上部フック装置 - Google Patents
作業梯子の上部フック装置Info
- Publication number
- JPH0619758Y2 JPH0619758Y2 JP7103189U JP7103189U JPH0619758Y2 JP H0619758 Y2 JPH0619758 Y2 JP H0619758Y2 JP 7103189 U JP7103189 U JP 7103189U JP 7103189 U JP7103189 U JP 7103189U JP H0619758 Y2 JPH0619758 Y2 JP H0619758Y2
- Authority
- JP
- Japan
- Prior art keywords
- hook device
- guide
- guide rail
- guide portion
- upper hook
- 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.)
- Expired - Lifetime
Links
- 238000005096 rolling process Methods 0.000 claims description 24
- 230000002093 peripheral effect Effects 0.000 claims description 11
- 210000003323 beak Anatomy 0.000 claims 1
- 210000000078 claw Anatomy 0.000 description 4
- 238000004891 communication Methods 0.000 description 2
- 229930182556 Polyacetal Natural products 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229920006324 polyoxymethylene Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
Landscapes
- Ladders (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7103189U JPH0619758Y2 (ja) | 1989-06-16 | 1989-06-16 | 作業梯子の上部フック装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7103189U JPH0619758Y2 (ja) | 1989-06-16 | 1989-06-16 | 作業梯子の上部フック装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH039500U JPH039500U (en]) | 1991-01-29 |
| JPH0619758Y2 true JPH0619758Y2 (ja) | 1994-05-25 |
Family
ID=31607703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7103189U Expired - Lifetime JPH0619758Y2 (ja) | 1989-06-16 | 1989-06-16 | 作業梯子の上部フック装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0619758Y2 (en]) |
-
1989
- 1989-06-16 JP JP7103189U patent/JPH0619758Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH039500U (en]) | 1991-01-29 |
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