GB897553A - Counterbalanced access cover - Google Patents
Counterbalanced access coverInfo
- Publication number
- GB897553A GB897553A GB40291/59A GB4029159A GB897553A GB 897553 A GB897553 A GB 897553A GB 40291/59 A GB40291/59 A GB 40291/59A GB 4029159 A GB4029159 A GB 4029159A GB 897553 A GB897553 A GB 897553A
- Authority
- GB
- United Kingdom
- Prior art keywords
- lever
- cover
- frame
- stud
- nov
- 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
- E02D29/1463—Hinged connection of cover to frame
-
- 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
- E02D29/1418—Covers for manholes or the like; Frames for covers with implements to assist in lifting, e.g. counterweights, springs
-
- 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
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
- E05F1/02—Closers or openers for wings, not otherwise provided for in this subclass gravity-actuated, e.g. by use of counterweights
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
- F16J13/16—Pivoted closures
- F16J13/18—Pivoted closures pivoted directly on the frame
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J13/00—Covers or similar closure members for pressure vessels in general
- F16J13/16—Pivoted closures
- F16J13/20—Pivoted closures mounted by mobile fastening on swinging arms
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES E05D AND E05F, RELATING TO CONSTRUCTION ELEMENTS, ELECTRIC CONTROL, POWER SUPPLY, POWER SIGNAL OR TRANSMISSION, USER INTERFACES, MOUNTING OR COUPLING, DETAILS, ACCESSORIES, AUXILIARY OPERATIONS NOT OTHERWISE PROVIDED FOR, APPLICATION THEREOF
- E05Y2999/00—Subject-matter not otherwise provided for in this subclass
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Sewage (AREA)
- Laying Of Electric Cables Or Lines Outside (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB40291/59A GB897553A (en) | 1959-11-26 | 1959-11-26 | Counterbalanced access cover |
NL6515282A NL6515282A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1959-11-26 | 1965-11-24 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB40291/59A GB897553A (en) | 1959-11-26 | 1959-11-26 | Counterbalanced access cover |
Publications (1)
Publication Number | Publication Date |
---|---|
GB897553A true GB897553A (en) | 1962-05-30 |
Family
ID=10414151
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB40291/59A Expired GB897553A (en) | 1959-11-26 | 1959-11-26 | Counterbalanced access cover |
Country Status (2)
Country | Link |
---|---|
GB (1) | GB897553A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
NL (1) | NL6515282A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2163467A (en) * | 1984-07-13 | 1986-02-26 | Turner Bros | Manhole cover with torsion spring hinge to facilitate opening |
FR2674879A1 (fr) * | 1991-04-05 | 1992-10-09 | Sodif Sa | Dispositif de securite pour tampon articule de regard de chaussee. |
FR2787476A1 (fr) * | 1998-12-22 | 2000-06-23 | Barat Sa | Perfectionnements apportes a un dispositif de verrouillage d'une trappe d'acces aux galeries et ouvrages souterrains du genie civil, constituee d'au moins un vantail |
-
1959
- 1959-11-26 GB GB40291/59A patent/GB897553A/en not_active Expired
-
1965
- 1965-11-24 NL NL6515282A patent/NL6515282A/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2163467A (en) * | 1984-07-13 | 1986-02-26 | Turner Bros | Manhole cover with torsion spring hinge to facilitate opening |
FR2674879A1 (fr) * | 1991-04-05 | 1992-10-09 | Sodif Sa | Dispositif de securite pour tampon articule de regard de chaussee. |
FR2787476A1 (fr) * | 1998-12-22 | 2000-06-23 | Barat Sa | Perfectionnements apportes a un dispositif de verrouillage d'une trappe d'acces aux galeries et ouvrages souterrains du genie civil, constituee d'au moins un vantail |
Also Published As
Publication number | Publication date |
---|---|
NL6515282A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1966-01-25 |
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