EP1488047B1 - Couvercle d'un dispositif de fermeture de puits et dispositif de fermeture de puits - Google Patents

Couvercle d'un dispositif de fermeture de puits et dispositif de fermeture de puits Download PDF

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Publication number
EP1488047B1
EP1488047B1 EP03711991A EP03711991A EP1488047B1 EP 1488047 B1 EP1488047 B1 EP 1488047B1 EP 03711991 A EP03711991 A EP 03711991A EP 03711991 A EP03711991 A EP 03711991A EP 1488047 B1 EP1488047 B1 EP 1488047B1
Authority
EP
European Patent Office
Prior art keywords
cover
spring
engagement
section
cover 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.)
Expired - Lifetime
Application number
EP03711991A
Other languages
German (de)
English (en)
Other versions
EP1488047A1 (fr
Inventor
Willfried Neuber
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hydrotec Technologies & Co KG GmbH
Original Assignee
Hydrotec Technologies & Co KG GmbH
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hydrotec Technologies & Co KG GmbH filed Critical Hydrotec Technologies & Co KG GmbH
Publication of EP1488047A1 publication Critical patent/EP1488047A1/fr
Application granted granted Critical
Publication of EP1488047B1 publication Critical patent/EP1488047B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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 portion which can be brought into engagement with a part of a frame. Furthermore, the invention relates to a manhole cover with such a lid and a frame receiving this.
  • Manhole covers with such a lock the engagement usually takes place in the manner of a lock or detent, are known and are diverse in use.
  • WO 86/04624 discloses a self-locking manhole cover, in which the resilient arm is integrally formed on the underside of the lid on a stiffening rib and extending substantially parallel to a portion of the circumference of the lid thereto.
  • EP-A-0 694 654 discloses a grid cover having a pair of spaced spring arms.
  • the present invention as defined by claim 1 now proposes to arrange the spring arm such that its engaging portion is movable relative to the adjacent portion of the circumference of the lid at an angle smaller than a right angle, wherein the locking means a pair of spaced apart and side by side lying spring arms, which are each provided with an engagement portion.
  • the engagement portion of the spring arm is movable approximately parallel to the adjacent portion of the circumference of the lid.
  • the engagement portion of the spring arm extends at an angle to the adjacent portion of the lid.
  • the engagement portion of the spring arm extends approximately at a right angle to the adjacent portion of the lid.
  • the engagement portion of the spring arm may extend approximately radially and in particular the spring arm may be arranged substantially radially.
  • the spring arm may preferably have an arcuate portion.
  • the arcuate portion may be arranged between the engagement portion and a further portion of the spring arm and the two portions may be approximately aligned with each other.
  • a presently particularly preferred embodiment is characterized in that the locking means comprises two spaced apart and preferably at least partially parallel extending spring arms, whereby the locking action of the locking means can be increased.
  • the locking means comprises two spaced apart and preferably at least partially parallel extending spring arms, whereby the locking action of the locking means can be increased.
  • this should each be curved outward, whereby the distance between the two Spring arms and thus the design of the locking means can be kept low in this embodiment.
  • the engagement portion has a wedge-shaped latching portion, whereby the engagement takes place as a detent.
  • the latching portion is provided with at least one inclined surface in the direction of engagement.
  • the spring arm is fastened to the cover with an end remote from the engagement section.
  • the locking means is arranged on the underside of the lid.
  • the locking means should be spaced from the stiffening ribs on the cover, resulting in a particularly space-saving arrangement of the locking means.
  • the lid comprises a tool engagement means
  • said engagement means is spaced from the locking means and adapted to simultaneously engage a portion of the frame upon engagement with said engagement means to apply a lever moment apply the lid and thereby release the lid against the action of the spring force of the spring arm from the frame.
  • the engagement means has a recess through which the tool is pluggable.
  • the shaft cover described below has an annular frame 1 and a matching disc-shaped cover 10.
  • the frame 1 is shown in Figures 1 to 3 and the cover 10 with a lock in a first embodiment in Figures 4 to 6 and in a second embodiment in Figures 7 and 8.
  • the frame 1 shown in Figures 1 and 2 has on its inside an inwardly projecting, circumferential ridge 2, the top 2a forms a support surface for the cover 10 and lies in a plane which is in the installed state of the frame 1 substantially extends horizontally.
  • the top 2a forms a support surface for the cover 10 and lies in a plane which is in the installed state of the frame 1 substantially extends horizontally.
  • an inwardly projecting, circumferential flange-like projection 4 is attached, which is interrupted in the illustrated embodiment at two opposite points of a recess 6.
  • each of these recesses 6 is bounded on both sides of the flange-like projection 4 of outwardly pointed upper and lower inclined surfaces 6a and 6b.
  • the lid 10 has on its underside a circumferentially circumferential web 12 (see in particular Figures 4, 5 and 7), with which the lid 10 when used in the frame 1 on serving as a support surface top 2a of the circumferential ridge 2 of the frame first rests. Furthermore, the cover 10 is provided on its underside with radially extending stiffening ribs 14.
  • two blocks 16 are arranged at which two spring arms 18 are formed in each case.
  • the spring arms 18 are arranged free-floating on the respective block 16 and directed radially outwards in the direction of the circumference 10 a of the lid 10.
  • the spring arms 18 of each pair of spring arms 18 extend parallel to one another and to the cover 10 and at a distance to the underside thereof. Accordingly, the spring arms 18 are in the installed state of the manhole cover when inserted in the frame 1 cover 10 approximately in a horizontal plane which is parallel and at a distance to the plane spanned by the cover 10 level.
  • Each assembly of the block 16 and attached thereto pair of spring arms 18 forms a locking means to lock the lid 10 to the frame 1.
  • the spring arms 18 against the action of an inherent restoring spring force with their free ends 18a towards each other and thus in the direction of the circumference 10a of the lid 10 are movable and serve as locking elements for locking in the recess 6 of the frame first
  • the spring arms 18 are rectilinear and provided with a wedge-shaped outer side formed by an inclined upper inclined surface 18b and an inclined lower inclined surface 18c, the two inclined inclined surfaces 18b and 18c being pointed outwardly toward each other to run, as Figure 6 reveals.
  • the lid 10 is placed on the frame 1, 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 first come with their lower inclined surfaces 18c into abutment against the upper inclined surfaces 6a of the recess 6 of the frame 1.
  • the upper inclined surfaces 6a of the recess 6 that the Spring arms 18 are compressed at their free ends 18a until they pass through the constriction of the recess 6 formed by the two inclined surfaces 6a, 6b.
  • the spring arms 18 After passing the bottleneck in the recess 6 with continued movement of the lid 10 on the frame 1, the spring arms 18 inherent spring force causes a provision of the spring arms in the position shown in Figures 4 and 6, whereby the free ends 18a of the spring arms 18 now reach their upper inclined surfaces 18b in abutment with the lower inclined surfaces 6b of the recess 6 and in this way engage behind the recess 6 delimiting portions of the flange-like projection 4 of the frame 1.
  • the spring arms 18 form with their free ends 18a on the cover 10 and the recesses 6 on the frame 1 a locking latching or locking.
  • FIGS. 7 and 8 show a second embodiment of the latch provided on the underside of the cover 10.
  • the spring arms 18 'of this second embodiment as in the first embodiment shown in Figures 4 and 6 via a block 16' formed on the underside of the lid 10 and in the same manner on its outside with upper and lower inclined surfaces 18b 'and 18c' Mistake.
  • 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 the pad 16 ', with the bent portions 18d' of the two Spring arms 18 'of each pair of spring arms 18' in the illustrated second embodiment are formed symmetrically to each other and the sections 18a 'and 18e' are aligned with each other.
  • the bent portions 18d 'of the spring arms 18' serve to increase the restoring spring force.
  • a pin-shaped tool 32 is inserted through a provided on the periphery 10 a of the lid 10 recess 30 and brought with the underlying portion of the frame 1 engagement so that the tool generates a leverage, it allows to lift the lid 10 from the frame 1, as Figure 9 shows.
  • this leverage must be such that the restoring spring force of the spring arms 18 is overcome and thereby when lifting the lid 10 from the frame 1, the free ends 18a of the spring arms 18 move along the lower inclined surfaces 6b of the recess 6 in the direction of the constriction can.
  • the spring arms 18 are compressed again until they pass the constriction of the recess 6 away from the frame 1 with continued movement of the lid.

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)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)
  • Cultivation Receptacles Or Flower-Pots, Or Pots For Seedlings (AREA)

Claims (17)

  1. Couvercle pour un dispositif de fermeture de puits, comportant au moins un moyen de verrouillage (16, 18 ; 16', 18'), qui est prévu sur le couvercle (10) et qui comporte des tronçons de prise (18a ; 18a'), qui peuvent être amenés en prise avec une partie (6) d'un cadre (1) et qui sont maintenus de manière élastique de telle sorte qu'ils sont mobiles par rapport au tronçon adjacent du contour (10a) du couvercle (10) selon un angle inférieur à un angle droit, caractérisé en ce que le moyen de verrouillage comporte une paire de bras à ressort (18 ; 18'), qui sont écartés l'un de l'autre et disposés l'un à côté de l'autre et qui sont munis chacun d'un tronçon de prise (18a ; 18a').
  2. Couvercle selon la revendication 1, caractérisé en ce que le tronçon de prise (18a ; 18a') des bras à ressort (18 ; 18') est mobile sensiblement parallèlement par rapport au tronçon adjacent du contour (10a) du couvercle (10).
  3. Couvercle selon la revendication 1 ou 2, caractérisé en ce que le tronçon de prise (18a ; 18a') des bras à ressort (18 ; 18') s'étend en formant un angle par rapport au tronçon adjacent du contour (10a) du couvercle (10).
  4. Couvercle selon les revendications 2 et 3, caractérisé en ce que le tronçon de prise (18a ; 18a') des bras à ressort (18 ; 18') s'étend sensiblement en formant un angle droit par rapport au tronçon adjacent du contour (10a) du couvercle (10).
  5. Couvercle selon la revendication 4, dans lequel le couvercle (10) est sensiblement circulaire, caractérisé en ce que le tronçon de prise (18a ; 18a') des bras à ressort (18 ; 18') s'étend sensiblement dans le sens radial.
  6. Couvercle selon la revendication 5, caractérisé en ce que les bras à ressort (18 ; 18') sont agencés sensiblement dans le sens radial.
  7. Couvercle selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que les bras à ressort (18') comportent un tronçon courbe (18d').
  8. Couvercle selon la revendication 7, caractérisé en ce que le tronçon courbe (18d') est agencé entre le tronçon de prise (18a') et un autre tronçon (18e') des bras à ressort (18') et les deux tronçons (18a', 18e') sont alignés l'un avec l'autre.
  9. Couvercle selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que les bras à ressort (18 ; 18') sont, au moins par zones, parallèles entre eux.
  10. Couvercle selon la revendication 8 ou 9, caractérisé en ce que le tronçon courbe (18d') dans les deux bras à ressort (18') est incurvé vers l'extérieur.
  11. Couvercle selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le tronçon de prise (18a ; 18a') comporte un tronçon d'arrêt en forme de cale.
  12. Couvercle selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que les bras à ressort (18 ; 18') sont fixés contre le couvercle (10) avec une extrémité éloignée du tronçon de prise (18a ; 18a').
  13. Couvercle selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le moyen de verrouillage (16, 18 ; 16', 18') est agencé sur la face inférieure du couvercle (10).
  14. Couvercle selon au moins l'une quelconque des revendications précédentes, dans lequel le couvercle (10) comporte des nervures de raidissement (14), caractérisé en ce que le moyen de verrouillage (16, 18 ; 16', 18') est agencé sur le couvercle (10) à distance des nervures de raidissement (14).
  15. Couvercle selon au moins l'une quelconque des revendications précédentes, dans lequel le couvercle (10) comporte un moyen de prise (30) pour un outil (32), caractérisé en ce que ce moyen de prise (30) est disposé à distance du moyen de verrouillage (16, 18 ; 16', 18') et est conçu de telle sorte que l'outil (32), lorsqu'il entre en prise avec ledit moyen de prise (30), peut être amené simultanément en prise avec une partie du cadre (1) en vue d'appliquer un moment de levage sur le couvercle (10) et de désolidariser ainsi le couvercle (10) du cadre (1) à l'encontre de la force de ressort des bras à ressort (18 ; 18').
  16. Couvercle selon la revendication 15, caractérisé en ce que ledit moyen de prise (30) comporte un évidement.
  17. Dispositif de fermeture d'un puits comportant un couvercle (10) selon au moins l'une quelconque des revendications précédentes, ainsi qu'un cadre (1) destiné à recevoir le couvercle (10).
EP03711991A 2002-03-14 2003-03-13 Couvercle d'un dispositif de fermeture de puits et dispositif de fermeture de puits Expired - Lifetime EP1488047B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE20204108U 2002-03-14
DE20204108U DE20204108U1 (de) 2002-03-14 2002-03-14 Deckel einer Schachtabdeckung sowie Schachtabdeckung
PCT/EP2003/002573 WO2003076729A1 (fr) 2002-03-14 2003-03-13 Couvercle d'un dispositif de fermeture de puits et dispositif de fermeture de puits

Publications (2)

Publication Number Publication Date
EP1488047A1 EP1488047A1 (fr) 2004-12-22
EP1488047B1 true EP1488047B1 (fr) 2006-01-04

Family

ID=7968967

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03711991A Expired - Lifetime EP1488047B1 (fr) 2002-03-14 2003-03-13 Couvercle d'un dispositif de fermeture de puits et dispositif de fermeture de puits

Country Status (8)

Country Link
EP (1) EP1488047B1 (fr)
CN (1) CN100476087C (fr)
AT (1) ATE315135T1 (fr)
AU (1) AU2003218746A1 (fr)
DE (2) DE20204108U1 (fr)
DK (1) DK200200198U3 (fr)
HK (1) HK1082780A1 (fr)
WO (1) WO2003076729A1 (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202004010995U1 (de) * 2004-07-14 2005-11-17 Hydrotec Technologies Gmbh & Co. Kg Deckel einer Schachtabdeckung sowie Schachtabdeckung
US7588392B2 (en) 2006-04-24 2009-09-15 Zurn Industries, Llc Removable grate
ES2338290B1 (es) * 2007-08-24 2011-02-10 Cofunco, S.A. Registro de servicios provisto de un dispositivo de cierre y de un util de apertura o cierre portatil de bolsillo.
CN104499506A (zh) * 2014-12-08 2015-04-08 北京四方如钢混凝土制品有限公司 一种井盖板和一种井盖组件
MX2021014683A (es) * 2019-05-31 2022-01-11 Hubbell Inc Cubierta de servicios.
CN114150706B (zh) * 2021-11-29 2023-03-21 安徽省飞龙新型材料有限公司 一种可变形的两用型井盖及其使用方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO160455C (no) * 1985-01-30 1995-04-25 Furnes Hamjern Ncc As Anordning for automatisk låsing og sikring av kumlokk
GB9124629D0 (en) * 1991-11-20 1992-01-08 Glynwed Consumer & Building Locking of access covers
FR2717840B1 (fr) * 1994-03-25 1996-05-24 Fonderie Meca Sa Ste Muretaine Clé de verrouillage de tampon de regard de chaussée à serrage par rotation.
FR2723118B1 (fr) * 1994-07-29 1998-02-13 Pont A Mousson Dispositif de voirie
DE20001719U1 (de) * 2000-02-01 2000-03-16 Betonwerk Und Eisengieserei Be Schachtabdeckung
FR2814182B1 (fr) * 2000-09-21 2003-08-08 Saint Gobain Pont A Mousson Dispositif articule d'obturation d'un regard et element de charniere pour un tel dispositif

Also Published As

Publication number Publication date
HK1082780A1 (en) 2006-06-16
CN1653233A (zh) 2005-08-10
CN100476087C (zh) 2009-04-08
ATE315135T1 (de) 2006-02-15
WO2003076729A1 (fr) 2003-09-18
DE50302121D1 (de) 2006-03-30
AU2003218746A1 (en) 2003-09-22
DE20204108U1 (de) 2003-07-24
DK200200198U3 (da) 2002-09-13
EP1488047A1 (fr) 2004-12-22

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