EP1488047A1 - Cover for a manhole covering and corresponding manhole covering - Google Patents
Cover for a manhole covering and corresponding manhole coveringInfo
- Publication number
- EP1488047A1 EP1488047A1 EP03711991A EP03711991A EP1488047A1 EP 1488047 A1 EP1488047 A1 EP 1488047A1 EP 03711991 A EP03711991 A EP 03711991A EP 03711991 A EP03711991 A EP 03711991A EP 1488047 A1 EP1488047 A1 EP 1488047A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- lid
- cover
- engagement
- spring arm
- lid according
- 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
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
Definitions
- the invention relates to a cover of a manhole cover with at least one locking means provided on the cover, which has at least one spring arm with an engagement section which can be brought into engagement with a part of a frame. Furthermore, the invention relates to a manhole cover with such a cover and a frame receiving it.
- the spring arm can preferably have an arcuate section.
- the arcuate section can be arranged between the engagement section and a further section of the spring arm and the two sections can be approximately aligned with one another.
- a currently particularly preferred embodiment is characterized in that the locking means has two spring arms spaced apart from one another and preferably at least in sections running parallel to one another, as a result of which the locking effect of the locking means can be increased.
- the locking means has two spring arms spaced apart from one another and preferably at least in sections running parallel to one another, as a result of which the locking effect of the locking means can be increased.
- this should be curved outwards in each case, as a result of which the distance between the two Spring arms and thus the design of the locking means can be kept low in this embodiment.
- the spring arm is preferably attached to the cover with an end located away from the engagement section.
- FIG. 2 shows a cross section through the frame of Figure 1 along the dash-dotted line II-II shown in Figure 1;
- Figure 3 is an enlarged individual view of a
- Figure 5 shows a cross section through the lid of Figure 4 along the dash-dotted line V-V shown in Figure 4;
- FIG. 6 shows a sectional partial view of the cover from FIG. 4 along the dash-dotted line VI-VI shown in FIG. 4;
- Figure 7 is a view of the underside of a lid of the
- the frame 1 shown in FIGS. 1 and 2 has on its inside an inwardly projecting, circumferential web 2, the upper side 2a of which forms a support surface for the cover 10 and lies in a plane which is essentially in the installed state of the frame 1 extends horizontally.
- An inwardly projecting, circumferential flange-like projection 4 is attached to the web 2, which in the exemplary embodiment shown is interrupted by a recess 6 at two opposite points.
- each of these cutouts 6 is delimited on both sides of the flange-like projection 4 by upper and lower inclined surfaces 6a and 6b tapering towards one another to the outside.
- the spring arms 18 are straight and provided with a wedge-shaped outside, which is formed by an inclined upper inclined surface 18b and an inclined lower inclined surface 18c, the two inclined inclined surfaces 18b and 18c pointed towards each other outward to run, as shown in Figure 6.
- the lid 10 is placed on the frame 1 so that the free ends 18a of the spring arms 18 are aligned with the recesses 6.
- the free ends 18a of the spring arms 18 come first with their lower inclined surfaces 18c in contact with the upper inclined surfaces 6a of the recess 6 of the frame 1.
- the upper inclined surfaces 6a of the recess 6 cause the Spring arms 18 are pressed together at their free ends 18a until they pass the narrowing of the recess 6 formed by the two inclined surfaces 6a, 6b.
- the spring arms 18 with their free ends 18a on the cover 10 and the recesses 6 on the frame 1 form a locking or latching lock.
- the second embodiment differs from the first embodiment in that the spring arms 18 'have an outwardly bent portion 18d "between the free end 18a' and a portion 18e 'adjacent to the block 16', the bent portions 18d 'of the two Spring arms 18 'of each pair of spring arms 18' in the second exemplary embodiment shown are symmetrical to one another and the sections 18a 'and 18e' are aligned with one another.
- the bent sections 18d 'of the spring arms 18' serve to increase the resilient spring force the locking or latching locking effect reference is made to the description of the first embodiment given above with reference to FIGS.
Landscapes
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
- Closures For Containers (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)
- Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE20204108U DE20204108U1 (en) | 2002-03-14 | 2002-03-14 | Cover of a manhole cover and manhole cover |
DE20204108U | 2002-03-14 | ||
PCT/EP2003/002573 WO2003076729A1 (en) | 2002-03-14 | 2003-03-13 | Cover for a manhole covering and corresponding manhole covering |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1488047A1 true EP1488047A1 (en) | 2004-12-22 |
EP1488047B1 EP1488047B1 (en) | 2006-01-04 |
Family
ID=7968967
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03711991A Expired - Lifetime EP1488047B1 (en) | 2002-03-14 | 2003-03-13 | Cover for a manhole covering and corresponding manhole covering |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1488047B1 (en) |
CN (1) | CN100476087C (en) |
AT (1) | ATE315135T1 (en) |
AU (1) | AU2003218746A1 (en) |
DE (2) | DE20204108U1 (en) |
DK (1) | DK200200198U3 (en) |
HK (1) | HK1082780A1 (en) |
WO (1) | WO2003076729A1 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202004010995U1 (en) * | 2004-07-14 | 2005-11-17 | Hydrotec Technologies Gmbh & Co. Kg | Cover of a manhole cover and manhole cover |
US7588392B2 (en) | 2006-04-24 | 2009-09-15 | Zurn Industries, Llc | Removable grate |
ES2338290B1 (en) * | 2007-08-24 | 2011-02-10 | Cofunco, S.A. | REGISTRATION OF SERVICES PROVIDED WITH A CLOSURE DEVICE AND A PORTABLE OPENING OR CLOSURE POCKET. |
CN104499506A (en) * | 2014-12-08 | 2015-04-08 | 北京四方如钢混凝土制品有限公司 | Well cover plate and well cover component |
WO2020243290A1 (en) * | 2019-05-31 | 2020-12-03 | Hubbell Incorporated | Utility cover |
CN114150706B (en) * | 2021-11-29 | 2023-03-21 | 安徽省飞龙新型材料有限公司 | Deformable dual-purpose manhole cover and using method thereof |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NO160455C (en) * | 1985-01-30 | 1995-04-25 | Furnes Hamjern Ncc As | Device for automatic locking and locking of the cowl lid |
GB9124629D0 (en) * | 1991-11-20 | 1992-01-08 | Glynwed Consumer & Building | Locking of access covers |
FR2717840B1 (en) * | 1994-03-25 | 1996-05-24 | Fonderie Meca Sa Ste Muretaine | Rotation tightening manhole cover lock key. |
FR2723118B1 (en) * | 1994-07-29 | 1998-02-13 | Pont A Mousson | ROAD DEVICE |
DE20001719U1 (en) * | 2000-02-01 | 2000-03-16 | Betonwerk und Eisengießerei Bernhard Amsbeck GmbH & Co KG, 48231 Warendorf | Manhole cover |
FR2814182B1 (en) * | 2000-09-21 | 2003-08-08 | Saint Gobain Pont A Mousson | ARTICULATED DEVICE FOR SHUTTERING A MANNER AND HINGE MEMBER FOR SUCH A DEVICE |
-
2002
- 2002-03-14 DE DE20204108U patent/DE20204108U1/en not_active Expired - Lifetime
- 2002-06-21 DK DK200200198U patent/DK200200198U3/en not_active IP Right Cessation
-
2003
- 2003-03-13 WO PCT/EP2003/002573 patent/WO2003076729A1/en not_active Application Discontinuation
- 2003-03-13 CN CNB038106280A patent/CN100476087C/en not_active Expired - Fee Related
- 2003-03-13 AU AU2003218746A patent/AU2003218746A1/en not_active Abandoned
- 2003-03-13 EP EP03711991A patent/EP1488047B1/en not_active Expired - Lifetime
- 2003-03-13 DE DE50302121T patent/DE50302121D1/en not_active Expired - Fee Related
- 2003-03-13 AT AT03711991T patent/ATE315135T1/en not_active IP Right Cessation
-
2006
- 2006-02-09 HK HK06101748.7A patent/HK1082780A1/en not_active IP Right Cessation
Non-Patent Citations (1)
Title |
---|
See references of WO03076729A1 * |
Also Published As
Publication number | Publication date |
---|---|
ATE315135T1 (en) | 2006-02-15 |
DK200200198U3 (en) | 2002-09-13 |
DE50302121D1 (en) | 2006-03-30 |
EP1488047B1 (en) | 2006-01-04 |
WO2003076729A1 (en) | 2003-09-18 |
DE20204108U1 (en) | 2003-07-24 |
CN1653233A (en) | 2005-08-10 |
CN100476087C (en) | 2009-04-08 |
AU2003218746A1 (en) | 2003-09-22 |
HK1082780A1 (en) | 2006-06-16 |
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