GB1551909A - Locking device - Google Patents
Locking deviceInfo
- Publication number
- GB1551909A GB1551909A GB18978A GB18978A GB1551909A GB 1551909 A GB1551909 A GB 1551909A GB 18978 A GB18978 A GB 18978A GB 18978 A GB18978 A GB 18978A GB 1551909 A GB1551909 A GB 1551909A
- Authority
- GB
- United Kingdom
- Prior art keywords
- locking device
- locking
- 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.)
- Expired
Links
Classifications
-
- 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
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)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7700650A FR2376919A1 (en) | 1977-01-05 | 1977-01-05 | LOCKING DEVICE FOR PAVEMENT MANIFOLD OR OTHER |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1551909A true GB1551909A (en) | 1979-09-05 |
Family
ID=9185351
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18978A Expired GB1551909A (en) | 1977-01-05 | 1978-01-04 | Locking device |
Country Status (5)
Country | Link |
---|---|
CH (1) | CH615970A5 (en) |
DE (1) | DE2756511A1 (en) |
FR (1) | FR2376919A1 (en) |
GB (1) | GB1551909A (en) |
NL (1) | NL7800076A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2205909A (en) * | 1987-05-26 | 1988-12-21 | Akebono Brake Ind | Drum brake with brake shoe hold-down device |
GB2270342A (en) * | 1992-08-03 | 1994-03-09 | Fort Vale Eng Ltd | Manlid for a container tank |
CZ298860B6 (en) * | 1998-07-10 | 2008-02-27 | Norinco | Closing device with selective locking |
CN113530368A (en) * | 2021-08-30 | 2021-10-22 | 泉州博超实业有限公司 | Rotary lock for manhole cover |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2570106B2 (en) * | 1984-09-12 | 1986-12-19 | Dumortier Robert | LOCKING DEVICE FOR PAVEMENT OF LOAD |
DE3537956A1 (en) * | 1985-10-25 | 1987-05-07 | Albert Stewing | Manhole cover in particular for cable manholes |
DE3546530A1 (en) * | 1985-10-25 | 1987-05-21 | Albert Stewing | Device for securing a manhole cover |
NL8900378A (en) * | 1989-02-16 | 1990-09-17 | Ocra Bv | ADVERTISING COVER. |
FR2897881B1 (en) * | 2006-02-28 | 2008-04-11 | Saint Gobain Pam Sa | FRAME AND CORRESPONDING ROAD DEVICE. |
FR2957109A1 (en) * | 2010-03-03 | 2011-09-09 | Fond De Brousseval Et Montreuil | LATCHING / UNLOCKING DEVICE WITH IMPROVED INVIOLABILITY AND ITS BUFFER KEY AND OPENING FOUNDRY PART |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1165804A (en) * | 1915-03-25 | 1915-12-28 | Quigley Furnace And Foundry Co | Manhole-cover fastening. |
GB196070A (en) * | 1922-01-13 | 1923-04-13 | Edward Montague Edwards | Improvements in or relating to manhole covers and frames |
US1684983A (en) * | 1927-11-26 | 1928-09-18 | Horace W Clark | Box or casing cover with fastener |
US2693100A (en) * | 1950-06-06 | 1954-11-02 | Charles B Wiegel | Safety manhole cover lock |
-
1977
- 1977-01-05 FR FR7700650A patent/FR2376919A1/en active Granted
- 1977-12-12 CH CH1518977A patent/CH615970A5/en not_active IP Right Cessation
- 1977-12-19 DE DE19772756511 patent/DE2756511A1/en not_active Withdrawn
-
1978
- 1978-01-03 NL NL7800076A patent/NL7800076A/en not_active Application Discontinuation
- 1978-01-04 GB GB18978A patent/GB1551909A/en not_active Expired
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2205909A (en) * | 1987-05-26 | 1988-12-21 | Akebono Brake Ind | Drum brake with brake shoe hold-down device |
GB2270342A (en) * | 1992-08-03 | 1994-03-09 | Fort Vale Eng Ltd | Manlid for a container tank |
GB2270342B (en) * | 1992-08-03 | 1996-05-15 | Fort Vale Eng Ltd | Securing assembly for a manlid |
CZ298860B6 (en) * | 1998-07-10 | 2008-02-27 | Norinco | Closing device with selective locking |
CN113530368A (en) * | 2021-08-30 | 2021-10-22 | 泉州博超实业有限公司 | Rotary lock for manhole cover |
Also Published As
Publication number | Publication date |
---|---|
DE2756511A1 (en) | 1978-07-06 |
NL7800076A (en) | 1978-07-07 |
CH615970A5 (en) | 1980-02-29 |
FR2376919A1 (en) | 1978-08-04 |
FR2376919B1 (en) | 1982-07-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed | ||
PCNP | Patent ceased through non-payment of renewal fee |