EP1670993B1 - Couvercle de dispositif de fermeture de regard et dispositif de fermeture de regard - Google Patents

Couvercle de dispositif de fermeture de regard et dispositif de fermeture de regard Download PDF

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Publication number
EP1670993B1
EP1670993B1 EP04765117A EP04765117A EP1670993B1 EP 1670993 B1 EP1670993 B1 EP 1670993B1 EP 04765117 A EP04765117 A EP 04765117A EP 04765117 A EP04765117 A EP 04765117A EP 1670993 B1 EP1670993 B1 EP 1670993B1
Authority
EP
European Patent Office
Prior art keywords
lid
locking means
lid body
engagement
frame
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.)
Not-in-force
Application number
EP04765117A
Other languages
German (de)
English (en)
Other versions
EP1670993A1 (fr
Inventor
Wilfried Hydrotec Technologies Gmbh&Co KG 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 AG
Original Assignee
HYDROTEC TECHNOLOGIES AG
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 AG filed Critical HYDROTEC TECHNOLOGIES AG
Publication of EP1670993A1 publication Critical patent/EP1670993A1/fr
Application granted granted Critical
Publication of EP1670993B1 publication Critical patent/EP1670993B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • E02D29/1427—Locking devices

Definitions

  • the invention relates to a cover of a manhole cover with a cover body and at least one locking means arranged on the cover body, which has a spring portion and an engagement portion arranged thereon and engageable 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.
  • the locking means comprises a resilient arm, which is integrally formed with its one end on the underside of the lid body to a stiffening rib and with its free other end substantially to a portion of the circumference of the lid extends parallel thereto.
  • a latching nose is provided, which sits transversely to the longitudinal extent of the resilient arm at its free end.
  • For latching or releasing the latching lug in or from a corresponding recess in the frame of the resilient arm is transversely movable transversely to its longitudinal extent, wherein the latching nose is biased by the resilient arm in the direction of the frame accordingly.
  • the present invention now proposes to secure the spring portion in each case with its two ends on the lid body and kept apart from the lid body separately and to arrange the engagement portion between the two ends of the spring arm.
  • the spring portion functions in the manner of a clamped at both ends of the leaf spring. It has been found that with the construction according to the invention a locking can be realized, which works very effectively and at the same time is particularly easy to handle.
  • the spring portion extends approximately parallel to the lid body.
  • a particularly preferred embodiment of the invention is characterized in that the spring portion is formed as a ring body, which is fastened to the lid body with a holding portion substantially unifying the two ends of the spring portion. Due to the fact that in this embodiment, the spring portion is closed with its two ends substantially to a ring body, it receives the function of a double-leaf spring assembly with two parallel leaf springs, wherein the one ring body half, between whose ends the engaging portion is seated, the function of the first leaf spring and the second ring body half, between the ends of the holding portion is located, the function of the second leaf spring. With such a construction, the efficiency of the spring action can be further increased.
  • the annular body may have any shape, provided that the spring portion is curved so that its two ends meet or at least or adjacent to each other.
  • the annular body may, for example, have approximately the shape of a circle, wherein expediently the engagement section is arranged on a position substantially diametrically opposed to the holding section.
  • the ring body may also have, for example, the shape of an oval with two, preferably semicircular, curved sections and two substantially oblong sections connecting these curved sections.
  • the holding section should preferably be arranged on the one elongate section and the engagement section on the other elongated section.
  • the elongate section which carries the engagement section can spring back relative to the ends of the bent sections connected to one another by this elongated section, as a result of which the ring body can be adapted particularly well both with regard to the desired spring action and with regard to the space required for the structural conditions.
  • 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 locking means is arranged on the underside of the lid body.
  • the locking means should be spaced from the stiffening ribs on the cover body, resulting in a particularly space-saving arrangement of the locking means.
  • a disc-shaped cover 10 is shown in perspective bottom view, which forms a manhole cover together with a matching annular frame, which will be described in more detail later.
  • the lid 10 of which the underside is shown recognizable in FIG. 1, has a disk-shaped cover body 12, the circumference of which is bounded on its underside by a peripheral web 14 projecting downwards.
  • This circumferential ridge 14 serves as a support when using the lid 10 in a frame, as will be described later.
  • the lid body 12 is provided on its underside with radially extending stiffening ribs 16.
  • each two adjacent ribs 16 and the circumferential ridge 12 on the underside of the lid body 12 each have a locking means 20 which is provided on its outer side surrounding the circumferential web 14 with a radially outwardly directed latching lug 26.
  • the associated annular frame 30 is additionally shown, on which the lid 10 rests and which forms the manhole cover together with the cover 10.
  • the frame 30 in the illustrated embodiment on its inner side an inwardly projecting, circumferential bearing surface 32 which lies in a plane which extends in the installed state of the frame 30 substantially horizontally.
  • lid 10 of the lid 10 is located with its circumferential, downwardly projecting web 14 on this annular bearing surface 32 of the frame 30, so that the support surface 32 serves as a bearing for the cover 10 on the frame 30.
  • the lid 10 When used in the frame 30, the lid 10 is locked to the frame 30.
  • the previously mentioned, attached to the underside of the lid body 12 locking means 20 are provided.
  • each locking means 20 has in the illustrated embodiment, a closed annular body which lies in a plane which extends substantially parallel to the disc-shaped cover body 12.
  • the annular body is formed by a closed strip-shaped element which extends substantially at right angles to the disc-shaped lid body 12.
  • the annular body consists of two approximately U-shaped bent sections 21 and 22 and two essentially elongate sections 23 and 24. The two elongated sections 23 and 24 connect the bent sections 21 and 22 with each other, whereby the thus formed annular body receives an approximately oval shape.
  • the annular connecting means 20 is integrally formed via a holding portion 25 on the underside of the lid body 12, while the remaining portion of the annular locking means 20 is separated from the underside of the lid body 12 and spaced.
  • the locking lug 26 is seated in a radially outwardly directed arrangement.
  • the latching lug 26 is arranged on the annular body of the locking means 20 at a position substantially opposite the holding section 25.
  • the locking means 20 has a mirror-symmetrical shape whose (not shown) symmetry axis runs approximately radially. On this imaginary Symmetryeachse are also the holding portion 25 and the locking lug 26th
  • FIG. 2a shows that the elongate section 23 carrying the latching nose 26 springs back a little relative to the ends of the bent sections 21, 22 connected to one another by this elongate section 23. Therefore, in the illustrated embodiment, the shape of the locking means 20 also at least somewhat remind of the shape of a butterfly.
  • the annular locking means 20 is integrally formed by means of the holding portion 25 on the lid body 12, the locking means 20 is made of the same material as the lid body 12. This is usually cast material with which due to the construction described above, the desired Spring effect of the locking means 20 can be achieved easily.
  • a latching of the lid 10 on the frame 30 by means of the locking means 20 takes place in that the locking lug 26 engages a arranged on the inside of the frame 30 and inwardly projecting web 34 by one on the outside of the Locking nose 26 trained inclined surface 28 comes into abutment against a formed on the underside of the web 34 and correspondingly inclined counter surface.
  • the oval locking means 20 buckles slightly in the direction of the holding portion 25 by the distance between the two elongated sections 23 and 24 is shortened accordingly.
  • the same temporary change in shape of the oval locking means 20, which is favored by the construction described above, also arises when the lid 10 is pulled out of the frame 30 again and thereby the latch 26 is disengaged from the counter surface 36 on the frame 30.

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)
  • Sewage (AREA)
  • Snaps, Bayonet Connections, Set Pins, And Snap Rings (AREA)

Claims (11)

  1. Couvercle de dispositif de fermeture de regard doté d'un corps de couvercle (12) et d'au moins un moyen de verrouillage (20) disposé sur le corps de couvercle (12) et présentant une section à ressort (21 à 24) avec deux extrémités et une section d'engagement (26) disposée sur cette première section et pouvant être placée en prise avec une partie (36) d'un cadre (30), caractérisé en ce que la section à ressort (21 à 24) est conçue sous forme de corps annulaire (21 à 24) fixé sur le corps du couvercle (12) avec une section de fixation (25) réunissant essentiellement les deux extrémités de la section à ressort, mais essentiellement séparée du corps du couvercle (12) et en ce que la section d'engagement (26) est placée sur la section à ressort (21 à 24) entre ses deux extrémités.
  2. Couvercle selon la revendication 1, caractérisé en ce que le corps annulaire (21 à 24) s'étend plus ou moins parallèlement au corps du couvercle (12).
  3. Couvercle selon la revendication 1 ou 2, caractérisé en ce que le corps annulaire a plus ou moins la forme d'un cercle.
  4. Couvercle selon la revendication 3, caractérisé en ce que la section d'engagement est disposée à un endroit essentiellement diamétralement opposé à la section de fixation.
  5. Couvercle selon la revendication 1 ou 2, caractérisé en ce que le corps annulaire (21 à 24) a plus ou moins la forme d'un ovale avec deux sections (21, 22) courbées, de préférence en demi-arc de cercle, et deux sections essentiellement longitudinales (23, 24) reliant l'une à l'autre ces sections courbées (21, 22).
  6. Couvercle selon la revendication 5, caractérisé en ce que la section de fixation (25) est placée sur une première section longitudinale (24) et en ce que la section d'engagement (26) est placée sur l'autre section longitudinale (23).
  7. Couvercle selon la revendication 6, caractérisé en ce que la section longitudinale (23) portant la section d'engagement (26) rejaillit par rapport aux extrémités des sections courbées (21, 22) reliées l'une à l'autre par cette section longitudinale (23).
  8. Couvercle selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que la section d'engagement (26) présente une section d'encliquetage en forme de cône.
  9. Couvercle selon au moins l'une quelconque des revendications précédentes, caractérisé en ce que le moyen de verrouillage (20) est disposé sur la face inférieure du corps de couvercle (12).
  10. Couvercle selon au moins l'une quelconque des revendications précédentes, dans lequel le couvercle (10) est doté de nervures de renfort (16), caractérisé en ce que le moyen de verrouillage est disposé à l'écart des nervures de renfort (16) sur le corps du couvercle (12).
  11. Dispositif de fermeture de regard doté d'un couvercle (10) selon au moins l'une quelconque des revendications précédentes ainsi que d'un cadre (30) pour loger le couvercle (10).
EP04765117A 2003-10-09 2004-09-13 Couvercle de dispositif de fermeture de regard et dispositif de fermeture de regard Not-in-force EP1670993B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20315709U DE20315709U1 (de) 2003-10-09 2003-10-09 Deckel einer Schachtabdeckung sowie Schachtabdeckung
PCT/EP2004/010195 WO2005038150A1 (fr) 2003-10-09 2004-09-13 Couvercle de dispositif de fermeture de regard et dispositif de fermeture de regard

Publications (2)

Publication Number Publication Date
EP1670993A1 EP1670993A1 (fr) 2006-06-21
EP1670993B1 true EP1670993B1 (fr) 2007-11-28

Family

ID=32748419

Family Applications (1)

Application Number Title Priority Date Filing Date
EP04765117A Not-in-force EP1670993B1 (fr) 2003-10-09 2004-09-13 Couvercle de dispositif de fermeture de regard et dispositif de fermeture de regard

Country Status (7)

Country Link
US (1) US20080028688A1 (fr)
EP (1) EP1670993B1 (fr)
CN (1) CN100564703C (fr)
DE (2) DE20315709U1 (fr)
HK (1) HK1092848A1 (fr)
NO (1) NO20062057L (fr)
WO (1) WO2005038150A1 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20080168719A1 (en) * 2003-11-28 2008-07-17 Phillip Borunda Construction hole safety device
US7588392B2 (en) 2006-04-24 2009-09-15 Zurn Industries, Llc Removable grate
US9821953B2 (en) 2011-05-02 2017-11-21 The Charles Machine Works, Inc. Apparatus for sealing a vacuum tank door
US10214345B1 (en) * 2011-12-12 2019-02-26 Cameron Gordon Howie Entryway protective collar
DE102014104744A1 (de) * 2014-04-03 2015-10-08 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Tragstruktur einer Abdeckung
US10221602B2 (en) 2016-04-06 2019-03-05 The Charles Machine Works, Inc. Vacuum system
CN106013252B (zh) * 2016-07-04 2018-09-18 无锡爱路建设有限公司 一体化式抗压井盖及该井盖在新建路面的安装方法
US11059682B2 (en) 2017-12-21 2021-07-13 The Charles Machine Works, Inc. Offloading vacuum tank
USD895914S1 (en) 2018-02-15 2020-09-08 The Charles Machine Works, Inc. Vacuum system

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1458391A (en) * 1922-06-26 1923-06-12 Burton Thomas James Cover for manholes and analogous devices
US3623622A (en) * 1970-07-13 1971-11-30 Westhem Corp Ltd Safety locking closure
USRE30326E (en) * 1977-07-20 1980-07-08 Trw Inc. Panel hole closure
US4504009A (en) * 1980-06-24 1985-03-12 The Continental Group, Inc. Closure having means for retention in tubular container
FR2513286B2 (fr) * 1981-09-23 1986-06-06 Pont A Mousson Regard de chaussee
US5143478A (en) * 1987-07-23 1992-09-01 Bowman Harold M Adjustable manhole cover support with spanners
US5435455A (en) * 1989-12-22 1995-07-25 Volkswagon Ag Locking device
US5201151A (en) * 1991-10-11 1993-04-13 Ebw, Inc. Manhole rim and cover assembly
US5230433A (en) * 1992-01-28 1993-07-27 The Procter & Gamble Company Adult friendly child-resistant attachment for containers used to store potentially dangerous materials
US5628152A (en) * 1995-08-16 1997-05-13 Bowman; Harold M. Adjustable manhole cover support with shield
JP3081163B2 (ja) * 1996-12-29 2000-08-28 アロン化成株式会社 マンホ−ル蓋のバ−ル穴開閉装置
JP3756387B2 (ja) * 2000-07-27 2006-03-15 株式会社ホクキャスト 地下構造物用蓋の施錠装置
JP3437824B2 (ja) * 2000-08-11 2003-08-18 長島鋳物株式会社 蓋体開口の閉塞装置
US6955499B2 (en) * 2000-09-01 2005-10-18 Precision Cover Systems, Inc. Adjustable utility access
JP2002106232A (ja) * 2000-09-29 2002-04-10 Takiron Co Ltd 覆蓋ロック装置及び覆蓋
PL199335B1 (pl) * 2001-05-04 2008-09-30 Ahlmann Aco Severin Przykrywa urządzenia odwadniającego

Also Published As

Publication number Publication date
US20080028688A1 (en) 2008-02-07
WO2005038150A1 (fr) 2005-04-28
CN1997796A (zh) 2007-07-11
NO20062057L (no) 2006-07-05
DE20315709U1 (de) 2004-07-22
CN100564703C (zh) 2009-12-02
DE502004005621D1 (de) 2008-01-10
HK1092848A1 (en) 2007-02-16
EP1670993A1 (fr) 2006-06-21

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