JPS6226452U - - Google Patents
Info
- Publication number
- JPS6226452U JPS6226452U JP11411885U JP11411885U JPS6226452U JP S6226452 U JPS6226452 U JP S6226452U JP 11411885 U JP11411885 U JP 11411885U JP 11411885 U JP11411885 U JP 11411885U JP S6226452 U JPS6226452 U JP S6226452U
- Authority
- JP
- Japan
- Prior art keywords
- manhole
- legs
- wall
- attached
- bending part
- 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
- 238000005452 bending Methods 0.000 claims description 2
Landscapes
- Ladders (AREA)
Description
第１図は本考案の一実施例を示す平面図、第２
図はその背面図、第３図は第１図のＡ―Ａ′線に
沿つた断面図、第４図は第１図の側面図、第５図
は本考案の他の実施例を示す平面図、第６図は第
１図の足掛具と類似する構造例を示す平面図、第
７図は従来の足掛具を示す平面図である。
３……足掛具、４……脚部、５……外方折曲部
、６……足踏部、７……マンホール内壁。
Fig. 1 is a plan view showing one embodiment of the present invention;
3 is a sectional view taken along the line AA' in FIG. 1, FIG. 4 is a side view of FIG. 1, and FIG. 5 is a plan view showing another embodiment of the present invention. 6 is a plan view showing an example of a structure similar to the footrest shown in FIG. 1, and FIG. 7 is a plan view showing a conventional footrest. 3... Footrest, 4... Leg, 5... Outward bending part, 6... Foot stepping part, 7... Manhole inner wall.
補正 昭６１．３．３１
図面の簡単な説明を次のように補正する。
明細書第９頁ページ第３行から第４行までに、
「第１図の足掛具……第７図は」とあるのを削除
する。Amendment: March 31, 1981 The brief description of the drawing is amended as follows. From the 3rd line to the 4th line on page 9 of the specification,
The statement ``The footrest in Figure 1... in Figure 7'' is deleted.
Claims (1)
二本の脚部と、その先端に連接され該二本の脚部
が互いに離反する側に折れ曲がる外方折曲部と、
該二本の外方折曲部間に連接され前記脚部が取り
付けられる前記マンホール内壁側に湾曲する足踏
部とからなるマンホール用足掛具。 two legs that are parallel to each other and are attached to the inner wall of the manhole, and an outward bending part that is connected to the tips of the legs and bends the two legs away from each other;
A foothold for a manhole comprising a foot section connected between the two outwardly bent sections and curved toward the inner wall of the manhole to which the leg section is attached.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11411885U JPH03430Y2 (en) | 1985-07-25 | 1985-07-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11411885U JPH03430Y2 (en) | 1985-07-25 | 1985-07-25 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6226452U true JPS6226452U (en) | 1987-02-18 |
| JPH03430Y2 JPH03430Y2 (en) | 1991-01-09 |
Family
ID=30996557
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11411885U Expired JPH03430Y2 (en) | 1985-07-25 | 1985-07-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03430Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08311906A (en) * | 1995-05-22 | 1996-11-26 | Miyama Kogyo Kk | Manhole ladder |
| JPH08311900A (en) * | 1995-05-22 | 1996-11-26 | Miyama Kogyo Kk | Step bar for manhole or the like |
| JP2011089338A (en) * | 2009-10-23 | 2011-05-06 | Sekisui Chem Co Ltd | Vertical pipe with spiral guide passage |
-
1985
- 1985-07-25 JP JP11411885U patent/JPH03430Y2/ja not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08311906A (en) * | 1995-05-22 | 1996-11-26 | Miyama Kogyo Kk | Manhole ladder |
| JPH08311900A (en) * | 1995-05-22 | 1996-11-26 | Miyama Kogyo Kk | Step bar for manhole or the like |
| JP2011089338A (en) * | 2009-10-23 | 2011-05-06 | Sekisui Chem Co Ltd | Vertical pipe with spiral guide passage |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03430Y2 (en) | 1991-01-09 |