JPH01105141U - - Google Patents
Info
- Publication number
- JPH01105141U JPH01105141U JP59088U JP59088U JPH01105141U JP H01105141 U JPH01105141 U JP H01105141U JP 59088 U JP59088 U JP 59088U JP 59088 U JP59088 U JP 59088U JP H01105141 U JPH01105141 U JP H01105141U
- Authority
- JP
- Japan
- Prior art keywords
- leg
- alarm
- stepladder
- legs
- switch
- 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
- 230000002265 prevention Effects 0.000 claims description 2
- 230000001105 regulatory effect Effects 0.000 claims 2
- 230000007257 malfunction Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 1
Landscapes
- Ladders (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59088U JPH074319Y2 (ja) | 1988-01-08 | 1988-01-08 | 脚立用転落防止警報装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP59088U JPH074319Y2 (ja) | 1988-01-08 | 1988-01-08 | 脚立用転落防止警報装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH01105141U true JPH01105141U (en]) | 1989-07-14 |
JPH074319Y2 JPH074319Y2 (ja) | 1995-02-01 |
Family
ID=31199754
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP59088U Expired - Lifetime JPH074319Y2 (ja) | 1988-01-08 | 1988-01-08 | 脚立用転落防止警報装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH074319Y2 (en]) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6513851B1 (ja) * | 2018-03-30 | 2019-05-15 | 株式会社中電工 | 脚立作業状況判定システム、脚立作業状況判定方法及び脚立作業状況判定プログラム |
JP6513855B1 (ja) * | 2018-04-11 | 2019-05-15 | 株式会社中電工 | 脚立作業状況判定システム、脚立作業状況判定方法及び脚立作業状況判定プログラム |
-
1988
- 1988-01-08 JP JP59088U patent/JPH074319Y2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH074319Y2 (ja) | 1995-02-01 |