JPS6325799U - - Google Patents
Info
- Publication number
- JPS6325799U JPS6325799U JP11952686U JP11952686U JPS6325799U JP S6325799 U JPS6325799 U JP S6325799U JP 11952686 U JP11952686 U JP 11952686U JP 11952686 U JP11952686 U JP 11952686U JP S6325799 U JPS6325799 U JP S6325799U
- Authority
- JP
- Japan
- Prior art keywords
- fiber
- ladder
- reinforced plastic
- view
- foothold
- 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
Landscapes
- Ladders (AREA)
Description
第１図は本考案による梯子がマンホールに設置
された状態を示す縦断面説明図、第２図は本考案
による梯子がマンホールに設置された状態を示す
正面説明図、第３図は本考案による梯子の上端部
（第１図の）を示す部分拡大側面図、第４図は
本考案による手摺りと足掛部材との組み付け部（
第２図の）を示す部分拡大平面断面図、第５図
は第４図の―線に沿う足掛部材の横断面図、
第６図は第４図の―線に沿う足掛部材の横断
面図、第７図は従来のマンホール内に設置された
梯子を示す縦断面説明図、第８図は従来のマンホ
ール内に設置された梯子を示す正面説明図。
１７……梯子、１８……上端支持部材、１９…
…グリツプアンカー、２１……支柱、２１ａ……
孔、２１ｂ……抜止孔、２１ｃ……長孔、２２…
…キヤツプ、２３……長孔、２６……足掛部材、
２６ａ……丸棒、２７……滑り止め用突起、２８
……足掛面、２９……反射板、３０……フインガ
ーウエーブライン、３２……抜止孔、３３……抜
止ピン。
Fig. 1 is an explanatory longitudinal cross-sectional view showing the ladder according to the present invention installed in a manhole, Fig. 2 is an explanatory front view showing the ladder according to the invention installed in a manhole, and Fig. 3 is an explanatory diagram according to the invention A partially enlarged side view showing the upper end of the ladder (shown in Fig. 1), and Fig. 4 shows the assembled part of the handrail and foothold member according to the present invention (
) in FIG. 2; FIG. 5 is a cross-sectional view of the footrest member taken along line - in FIG. 4;
Figure 6 is a cross-sectional view of the foothold member along the line - in Figure 4, Figure 7 is a vertical cross-sectional explanatory diagram showing a ladder installed inside a conventional manhole, and Figure 8 is an explanatory view of a ladder installed inside a conventional manhole. FIG. 17... Ladder, 18... Upper end support member, 19...
...Grip anchor, 21...Strut, 21a...
Hole, 21b... retaining hole, 21c... long hole, 22...
... Cap, 23 ... Long hole, 26 ... Foothold member,
26a... Round bar, 27... Anti-slip protrusion, 28
... Footrest surface, 29 ... Reflection plate, 30 ... Finger wave line, 32 ... Retention hole, 33 ... Retention pin.
Claims (1)
支柱の各々に、繊維強化プラスチツク製芯材の外
周に熱可塑性プラスチツクを被覆した足掛部材の
各端部を着脱可能に組み付けるとともに、前記足
掛部材の足掛面に滑り止め用突起を突出させたこ
とを特徴とする梯子。 Each end of a foothold member having a fiber-reinforced plastic core coated with thermoplastic plastic is removably attached to each of the two fiber-reinforced plastic support columns arranged in parallel, and the legs of the foothold member are removably assembled. A ladder characterized by having anti-slip protrusions protruding from the hanging surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986119526U JPH065515Y2 (en) | 1986-08-04 | 1986-08-04 | Ladder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986119526U JPH065515Y2 (en) | 1986-08-04 | 1986-08-04 | Ladder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6325799U true JPS6325799U (en) | 1988-02-19 |
| JPH065515Y2 JPH065515Y2 (en) | 1994-02-09 |
Family
ID=31006981
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986119526U Expired - Lifetime JPH065515Y2 (en) | 1986-08-04 | 1986-08-04 | Ladder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH065515Y2 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913409A (en) * | 1995-06-28 | 1997-01-14 | Miyama Kogyo Kk | Footstep means for manhole or the like |
| KR20180059175A (en) * | 2016-11-25 | 2018-06-04 | (주)아쿠아 | Ladders for water tanks to prevent leaks |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5115429U (en) * | 1974-07-22 | 1976-02-04 | ||
| JPS6066746U (en) * | 1983-10-14 | 1985-05-11 | 三山工業株式会社 | Footrests for manholes, etc. |
-
1986
- 1986-08-04 JP JP1986119526U patent/JPH065515Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5115429U (en) * | 1974-07-22 | 1976-02-04 | ||
| JPS6066746U (en) * | 1983-10-14 | 1985-05-11 | 三山工業株式会社 | Footrests for manholes, etc. |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0913409A (en) * | 1995-06-28 | 1997-01-14 | Miyama Kogyo Kk | Footstep means for manhole or the like |
| KR20180059175A (en) * | 2016-11-25 | 2018-06-04 | (주)아쿠아 | Ladders for water tanks to prevent leaks |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH065515Y2 (en) | 1994-02-09 |