JPS6184745U - - Google Patents
Info
- Publication number
- JPS6184745U JPS6184745U JP1984169699U JP16969984U JPS6184745U JP S6184745 U JPS6184745 U JP S6184745U JP 1984169699 U JP1984169699 U JP 1984169699U JP 16969984 U JP16969984 U JP 16969984U JP S6184745 U JPS6184745 U JP S6184745U
- Authority
- JP
- Japan
- Prior art keywords
- cover
- tongue piece
- manhole cover
- tongue
- head
- 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.)
- Pending
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B35/00—Locks for use with special keys or a plurality of keys ; keys therefor
- E05B35/008—Locks for use with special keys or a plurality of keys ; keys therefor for simple tool-like keys
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/14—Covers for manholes or the like; Frames for covers
- E02D29/1427—Locking devices
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/006—Locks or fastenings for special use for covers or panels
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
Description
図面は本考案の一実施例を示し、第１図は一部
欠截の全体の平面図、第２図はロツクボルト頭部
部分の拡大平面図、第３図はロツクボルト及び偏
心円板部分の拡大断面図、第４図は偏心円板の平
面図である。 ……マンホール蓋、１ａ……蓋体、１ｂ……
受枠、２……凹窩部、３……舌片、４……ロツク
ボルト、４ａ……ロツクボルト頭、５……偏心テ
ーパー付き円板、４ｂ……ロツクボルトの回り止
めボルト、５ａ……スプリング。
欠截の全体の平面図、第２図はロツクボルト頭部
部分の拡大平面図、第３図はロツクボルト及び偏
心円板部分の拡大断面図、第４図は偏心円板の平
面図である。 ……マンホール蓋、１ａ……蓋体、１ｂ……
受枠、２……凹窩部、３……舌片、４……ロツク
ボルト、４ａ……ロツクボルト頭、５……偏心テ
ーパー付き円板、４ｂ……ロツクボルトの回り止
めボルト、５ａ……スプリング。
Claims (1)
- 蓋体１ａと受枠１ｂとが嵌合するマンホール蓋
において、受板１ｂの内周に舌片３を１個又は
複数個突設し、蓋体１ａの前記舌片３と応当する
上面位置には凹窩部２をそれぞれ形設し、該凹窩
部２には平面が略三角形の頭４ａを有するロツク
ボルト４を挿嵌し、下部に上記舌片３と係合する
偏心円板５を回動自在に取付けたことを特徴とす
るロツク付マンホール蓋。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984169699U JPS6184745U (ja) | 1984-11-07 | 1984-11-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1984169699U JPS6184745U (ja) | 1984-11-07 | 1984-11-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6184745U true JPS6184745U (ja) | 1986-06-04 |
Family
ID=30727418
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1984169699U Pending JPS6184745U (ja) | 1984-11-07 | 1984-11-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6184745U (ja) |
-
1984
- 1984-11-07 JP JP1984169699U patent/JPS6184745U/ja active Pending