JPH02124893U - - Google Patents
Info
- Publication number
- JPH02124893U JPH02124893U JP3286789U JP3286789U JPH02124893U JP H02124893 U JPH02124893 U JP H02124893U JP 3286789 U JP3286789 U JP 3286789U JP 3286789 U JP3286789 U JP 3286789U JP H02124893 U JPH02124893 U JP H02124893U
- Authority
- JP
- Japan
- Prior art keywords
- fall prevention
- frame
- opening
- prevention frame
- straight rod
- 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 8
Description
図面は本考案の実施例を示すもので、第１図は
斜視図、第２図は断面図、第３図は平面図、第４
図は梯子の正面図、第５図は側面図、第６図は嵌
合口の断面図、第７図は支持部の断面図である。
１……蓋体、２……本体、３……枠取付部、４
……嵌合口、５……落下防止枠、６……直杆部、
７……曲杆部、８……支持部。
The drawings show an embodiment of the present invention, in which Fig. 1 is a perspective view, Fig. 2 is a sectional view, Fig. 3 is a plan view, and Fig. 4 is a plan view.
The figure is a front view of the ladder, FIG. 5 is a side view, FIG. 6 is a sectional view of the fitting opening, and FIG. 7 is a sectional view of the support portion. 1... Lid body, 2... Main body, 3... Frame mounting part, 4
... Fitting opening, 5 ... Fall prevention frame, 6 ... Straight rod part,
7...Bent rod part, 8...Support part.
Claims (1)
、内方へ向けて所要の間隔で突設された２個の枠
取付部３と、各枠取付部３に形成された略上下方
向の嵌合口４に取付けられる落下防止枠５と、該
枠５の一端部付近に設けられ、前記嵌合口４に遊
嵌したときに落下防止枠５を起立させる直杆部６
と落下防止枠５の一端部を構成し、嵌合口４に遊
嵌したときに落下防止枠５が開口上に横たわるよ
うに、直杆部６に対して略直角に形成された曲杆
部７と、開口上に横たえられた落下防止枠５の他
端部を支えるため開口縁に設けられた支持部８と
から成る貯水槽開口等への落下防止枠。 (2) 直杆部６の上部適所に、内側へ突出した係
合片１３を設け、これを係合させる切欠１４を嵌
合口４に形成した請求項第１項記載の貯水槽開口
等への落下防止枠。 (3) 枠取付部３の上面に位置する直杆部６の側
面に、前記上面に係止する係止突起１６を設けた
請求項第１項又は第２項記載の貯水槽開口等への
落下防止枠。[Claims for Utility Model Registration] (1) Two frame attachment parts 3 protruding inward at a required interval from the opening edge of the main body 2 that can be opened and closed by the lid 1, and each frame attachment part 3. A fall prevention frame 5 is attached to a substantially vertical fitting opening 4 formed in the portion 3, and a fall prevention frame 5 is provided near one end of the frame 5, and stands up when loosely fitted into the fitting opening 4. Straight rod part 6
and a curved rod portion 7 forming one end of the fall prevention frame 5 and formed approximately at right angles to the straight rod portion 6 so that the fall prevention frame 5 lies over the opening when loosely fitted into the fitting opening 4. and a support part 8 provided at the edge of the opening to support the other end of the fall prevention frame 5 lying on the opening. (2) An engaging piece 13 protruding inwardly is provided at a proper upper part of the straight rod portion 6, and a notch 14 for engaging the engaging piece 13 is formed in the fitting opening 4. Fall prevention frame. (3) A locking projection 16 for locking onto the upper surface is provided on the side surface of the straight rod portion 6 located on the upper surface of the frame mounting portion 3. Fall prevention frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989032867U JPH0738226Y2 (en) | 1989-03-23 | 1989-03-23 | Drop prevention frame to the water tank opening etc. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989032867U JPH0738226Y2 (en) | 1989-03-23 | 1989-03-23 | Drop prevention frame to the water tank opening etc. |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02124893U true JPH02124893U (en) | 1990-10-15 |
| JPH0738226Y2 JPH0738226Y2 (en) | 1995-08-30 |
Family
ID=31536100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989032867U Expired - Fee Related JPH0738226Y2 (en) | 1989-03-23 | 1989-03-23 | Drop prevention frame to the water tank opening etc. |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0738226Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57205631A (en) * | 1981-06-11 | 1982-12-16 | Hinode Suido Kiki Kk | Cover for underground structure with falling preventive mechanism |
| JPS633993U (en) * | 1986-06-25 | 1988-01-12 |
-
1989
- 1989-03-23 JP JP1989032867U patent/JPH0738226Y2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57205631A (en) * | 1981-06-11 | 1982-12-16 | Hinode Suido Kiki Kk | Cover for underground structure with falling preventive mechanism |
| JPS633993U (en) * | 1986-06-25 | 1988-01-12 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0738226Y2 (en) | 1995-08-30 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |