EP0506591B1 - Deckel für Zu- oder Austrittloch - Google Patents

Deckel für Zu- oder Austrittloch Download PDF

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Publication number
EP0506591B1
EP0506591B1 EP92470012A EP92470012A EP0506591B1 EP 0506591 B1 EP0506591 B1 EP 0506591B1 EP 92470012 A EP92470012 A EP 92470012A EP 92470012 A EP92470012 A EP 92470012A EP 0506591 B1 EP0506591 B1 EP 0506591B1
Authority
EP
European Patent Office
Prior art keywords
grid
frame
bars
holding
sloping
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
EP92470012A
Other languages
English (en)
French (fr)
Other versions
EP0506591A1 (de
Inventor
Francis Berthon
Jean-Claude Hauer
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.)
Pont a Mousson SA
Original Assignee
Pont a Mousson SA
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 Pont a Mousson SA filed Critical Pont a Mousson SA
Publication of EP0506591A1 publication Critical patent/EP0506591A1/de
Application granted granted Critical
Publication of EP0506591B1 publication Critical patent/EP0506591B1/de
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
    • 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
    • E02D29/1427—Locking devices
    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
    • E05C19/00—Other devices specially designed for securing wings, e.g. with suction cups
    • E05C19/06—Other devices specially designed for securing wings, e.g. with suction cups in which the securing part if formed or carried by a spring and moves only by distortion of the spring, e.g. snaps
    • E05C19/063—Released by pull or pressure on the wing

Definitions

  • the present invention relates to a device for crowning an access or exhaust chimney consisting of a removable tilting grid resting, when the device is in the closed position, in a frame sealed in the ground.
  • EP-A-0085306 thus discloses a grid pivotally mounted in its support frame and the locking of which, in the closed position, is obtained by means of a median bar whose end located at the opposite of the articulation axis comes, by elastic deformation, to snap under a stop of the frame.
  • EP-A-0280872 also discloses a grid articulated on its frame and at least one bar of which is provided, at its end opposite the articulation axis, with elastic fingers which, in the closed position of the grid, are housed under a projection of the frame.
  • a grid articulated on its frame and at least one bar of which is provided, at its end opposite the articulation axis, with elastic fingers which, in the closed position of the grid, are housed under a projection of the frame.
  • the grid is divided along its pivot axis into a middle part and two lateral parts connected elastically to the middle part, one end of the middle part adjoining the pivot axis being intended to bear against a corresponding surface of the frame by exerting a torque opposing the movement of the grid around its pivot axis.
  • the invention aims to further improve the technique described above by creating a crowning device in which on the one hand any accidental opening of the grid and on the other hand the untimely closing of the latter when it is in position open are avoided and this thanks to an elastic action of certain elements of the grid.
  • a device for crowning an access or evacuation chimney comprising a frame and a removable grid articulated along an axis XX of the frame, consisting of a series of bars connected two by two, by at least a spacer and extending perpendicular to the axis of articulation XX of the grid, characterized in that the grid further comprises at least one intermediate bar connected to the other bars of the grid by its end opposite the axis of hinge XX and the free end of which cooperates by elastic bending of the intermediate bar in the plane of the grid with means projecting upwards to keep the grid in the open and closed position, provided on the frame, these means comprising chamfered and inclined surfaces which cooperate with inclined surfaces provided on said intermediate bar.
  • the crowning device comprises a frame 1 intended to be sealed in the ground, for example in a pavement, at the upper end of an evacuation or access chimney (not shown) and of a removable articulated grid 2 forming a cover .
  • the frame 1 has in plan a generally square or rertangular shape and has a vertical skirt 3, provided at its periphery with a peripheral support sole 4 serving to seal the frame and an inner flange 5 serving as a support surface for grid 2.
  • Two opposite sides 6, 7 of the skirt 3 each have in the immediate vicinity of a side 8 which is perpendicular to them, a cavity 9 of axis X-X parallel to the side 8, the two cavities 9 being coaxial.
  • the skirt 3 is terminated by a side 10 opposite and parallel to the side 8.
  • Each cavity 9 is formed in the skirt 3 of the frame 1 above the inner collar 5 approximately halfway between this collar and the top of the skirt 3.
  • the part of the collar 5 secured to the side 8 of the skirt 3 has, near its ends, two openings 11A, 11B defining between them an intermediate portion 12 each of whose two ends, parallel to the sides 6 and 7 of the skirt, has a chamfered surface 13 directed towards the inside of the frame and moving away from the opposite wall of the corresponding opening 11A, 11B.
  • Each stop 14 has in section the shape of a rectangular trapezoid. It is parallel to the sides 6 and 7 of the frame and consequently to the bars of the grid 2, and has on its side opposite the corresponding opening 11A, 11B, an inclined surface or ramp 15 ending in a horizontal apex 16.
  • the grid 2 of generally rectangular shape, is constituted by a series of parallel bars, each bar being connected to the neighboring bars by at least one spacer.
  • the grid comprises two external bars 17 each having near one of their ends, a pivot 18 intended to be housed in one of the cavities 9 of the frame 1, both pivots 18 being coaxial, of axis YY.
  • Two intermediate bars 19A, 19B which are connected by their ends opposite to the axis YY of articulation of the grid, on the one hand to the external bars 17 and on the other hand to bars 20 of a central part of the grid , by single spacers 21A, 21B, each have at its free end close to the axis YY, a vertical projection 22 directed downwards, the most inner longitudinal face, that is to say the one closest to the middle of grid 2 has an inclined surface or ramp 23, the inclination of this ramp being identical to that of the corresponding ramp 15 of the associated stop 14.
  • the connecting bars 20 constituting the central part of the grid complete the constitution thereof.
  • the grid 2 is pinched at the free ends of the bars 17, this operation being made possible by the natural elasticity of the material constituting the grid 2 which is made for example in spheroidal graphite cast iron.
  • the pivots 18 are thus placed opposite the cavities 9 of the frame 1 into which they penetrate when the clamping force is released.
  • the spacing of the bars 19A, 19B takes place in the plane of the grid 2.
  • the presence of a projection 22 located at a distance from the axis XX greater than its radius makes it necessary to provide in the flange 5 the openings 11A and 11B which avoid blocking of rotation by contact between the projections 22 and the flange 5 of the frame 1.
  • the lifting movement of the grid 2 causes the inclined surfaces 23 to slide on the ramps 15 of the stops 14 and therefore, a lateral elastic spacing of the bars 19A, 19B relative to their rest position.
  • a bar forming a lever is generally used.
  • the intermediate bars which by elastic deformation in the plane of the grid, ensure the immobilization of the grid both in the open position and in the closed position , cooperating on the one hand with the ramps 15 of the stops 14 carried by the flange 5 and on the other hand, with the chamfered surfaces 13 of the intermediate part 12 of the flange, have projections 22 directed downwards which require provide in the collar 5 openings 11A, 11B for the passage of these projections during the rotation of the grid.
  • intermediate bars do not have a projection, but have ends of cylindrical or spherical shape, identical to those of other bars such as bars 17 and 20 of the grid.
  • FIG. 6 Such a variant is partially shown in Fig. 6.
  • the frame 1 has stops 31 which extend over the entire width of the flange 5 parallel to the bars of the grid.
  • Each of these stops 31 comprises a lateral ramp 32 intended to cooperate with an additional ramp 33 provided on each bar 29B in order to ensure its elastic spacing in the plane of the grid during the rotational movement of the latter and a chamfer end 34 allowing, by cooperation with the corresponding bar 29B, to let the said bar return to the rest position when the grid is in the open position in order to ensure that it is blocked against any untimely closing movement.
  • the grid of the crowning device comprises two intermediate bars ensuring, in cooperation with means provided on the frame, the maintenance of the grid in the open and closed position.
  • the grid has only one intermediate bar, preferably arranged in the central part of the grid and cooperating with corresponding holding means provided on the frame.

Claims (8)

  1. Deckel eines Zutritts- oder Austrittsschachtes mit einem Rahmen (1) und einem entfernbaren Gitter (2), das entlang einer Achse X-X des Rahmens angelenkt ist, gebildet aus einer Reihe von Stäben oder Stegen, die paarweise durch wenigstens ein Zwischenstück miteinander verbunden sind, und sich senkrecht zur Gelenkachse X-X des Gitters (2) erstrecken, dadurch gekennzeichnet, daß das Gitter (2) darüber hinaus wenigstens einen Zwischensteg (19A, 19B; 29B) aufweist, der mit den anderen Stegen des Gitters durch sein der Gelenkachse X-X gegenüberliegendes Ende verbunden ist, und dessen freies Ende durch elastisches Nachgeben des Zwischensteges (19A, 19B; 29B) in der Ebene des Gitters mit nach oben vorspringenden Einrichtungen (13, 14, 15; 31, 32, 34) des Haltens des Gitters (2) in Öffnungs- und Schließstellung zusammenwirkt, die an dem Rahmen (1) ausgebildet sind, wobei diese Einrichtungen abgeschrägte und geneigte Oberflächen (13, 34; 15, 32) aufweisen, die mit geneigten Oberflächen (23, 33) zusammenwirken, die an dem Zwischensteg ausgebildet sind.
  2. Deckel nach Anspruch 1, dadurch gekennzeichnet, daß das Gitter äußere Stege (17) aufweist, die an ihren freien Enden mit Zapfen (18) versehen sind, die durch elastisches Verbiegen der äußeren Stege (17) in entsprechende Hohlräume (9) des Rahmens (1) eingreifen, wobei zwei Zwischenstege (19A, 19B; 29B) jeweils mit einem äußeren Steg (17) durch ein einziges Zwischenstuck (21A) und mit einem Steg (20) eines Mittenabschnitts des Gitters durch ein einziges Zwischenstück (21B) verbunden sind.
  3. Deckel nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß ein jeder der Zwischenstege (19A, 19B) des Gitters (2) an seinem freien Ende in der Nähe der Gelenkachse des Gitters des Rahmens (1) einen vertikalen Vorsprung (22) aufweist, der nach unten ausgerichtet ist, dessen innere Längsseite eine geneigte Oberfläche oder Rampe (23) aufweist, die mit einer geneigten Oberfläche (15) eines vom Rahmen (1) nach oben vorspringenden Anschlags (14) zusammenwirkt, der an diesem befestigt ist und sich parallel zu den Stegen des Gitters (2) erstreckt, wobei die Anschläge (14) mit den Vorsprüngen (22) der Zwischenstege die Halteeinrichtungen des Gitters (2) in Schließstellung bilden.
  4. Deckel nach Anspruch 3, bei dem der Rahmen (1) mit einem inneren Anlagekragen (5) für das Gitter (2) in Schließstellung versehen ist, dadurch gekennzeichnet, daß Öffnungen (11A, 11B) für den Hindurchtritt der Vorsprünge (22) der Zwischenstege (19A, 19B) bei der Drehung des Gitters in dem inneren Kragen (5) des Rahmens (1) ausgebildet sind.
  5. Deckel nach Anspruch 4, dadurch gekennzeichnet, daß die Halteeinrichtungen des Gitters (2) in Öffnungsstellung abgeschrägte Oberflächen (13) aufweisen, die nach dem Inneren des Rahmens (1) gerichtet sind, wobei sie an einer der Seitenwände der Öffnungen (11A, 11B) ausgebildet sind, die einen Zwischenabschnitt (12) des Kragens (5) begrenzen, und sich entsprechend von der anderen der Seitenwände der zugehörigen Öffnungen entfernen.
  6. Deckel nach Anspruch 5, dadurch gekennzeichnet, daß die Anschläge (14), die mit den Vorsprüngen (22) zusammenwirken, entlang der Seitenwände der Öffnungen (11A, 11B) angeordnet sind, die die genannten abgeschrägten Oberflächen (13) aufweisen.
  7. Deckel nach einem der Ansprüche 1 oder 2, dadurch gekennzeichnet, daß ein jeder der Zwischenstege (29B) des Gitters (2) ein freies Ende in der Nähe der Gelenkachse des Gitters in dem Rahmen (1) von geeigneter Form aufweist, um ihm zu ermöglichen, sich um die Gelenkachse zu drehen, ohne in Kontakt mit dem Rahmen (1) zu treten, und daß an dem Rahmen (1) zu den Stegen des Gitters parallele Anschläge (31) vorgesehen sind, die mit Neigungsflächen (32) versehen sind, die mit den entsprechenden geneigten Oberflächen (33) der Zwischenstege (29B) zusammenwirken und die Halteeinrichtungen des Gitters in Schließstellung bilden.
  8. Deckel nach Anspruch 7, dadurch gekennzeichnet, daß ein jeder der Anschläge (31), der die Halteeinrichtungen des Gitters in Schließstellung bildet, eine abgeschrägte Endoberfläche (34) aufweist, die nach dem Inneren des Rahmens ausgerichtet ist, wobei die abgeschrägten Oberflächen (34) mit den Enden der Zwischenstege (29B) die Halteeinrichtungen des Gitters in Öffnungsstellung bilden.
EP92470012A 1991-03-28 1992-03-24 Deckel für Zu- oder Austrittloch Expired - Lifetime EP0506591B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9103800A FR2674560B1 (fr) 1991-03-28 1991-03-28 Dispositif de couronnement d'une cheminee d'acces ou d'evacuation.
FR9103800 1991-03-28

Publications (2)

Publication Number Publication Date
EP0506591A1 EP0506591A1 (de) 1992-09-30
EP0506591B1 true EP0506591B1 (de) 1995-03-15

Family

ID=9411236

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92470012A Expired - Lifetime EP0506591B1 (de) 1991-03-28 1992-03-24 Deckel für Zu- oder Austrittloch

Country Status (9)

Country Link
EP (1) EP0506591B1 (de)
AT (1) ATE119964T1 (de)
DE (1) DE69201664T2 (de)
DK (1) DK0506591T3 (de)
ES (1) ES2063725T3 (de)
FR (1) FR2674560B1 (de)
GR (1) GR3015427T3 (de)
IE (1) IE65916B1 (de)
NO (1) NO301602B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6722813B2 (en) * 2000-07-06 2004-04-20 Saint-Gobain Pam Road network device with articulated cover

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU724047B2 (en) * 1996-03-07 2000-09-07 Ronald E. Graham (Holdings) Pty. Limited A gully grate
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
FR2843139B1 (fr) * 2002-08-02 2005-03-18 Norinco "grille pour obtruer un caniveau ou analogue"
GB0220165D0 (en) 2002-08-30 2002-10-09 Saint Gobain Pipelines Plc A drainage assembly
WO2004085754A1 (de) * 2003-03-25 2004-10-07 Aco Severin Ahlmann Gmbh & Co. Kg Abdeckungsanordnug
ITPI20110047A1 (it) * 2011-04-26 2012-10-27 Ferb Figli Di Ezio Rossi Spa Accoppiamento automatico anti vandalismo fra telaio ed elemento di copertura o di coronamento di pozzetti stradali

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2119836A (en) * 1982-01-29 1983-11-23 Brickhouse Dudley Mfg Manhole cover or grating and frame assemblies
ES2032874T3 (es) * 1987-02-02 1993-03-01 Von Roll Ag Sistema para asegurar una cubierta que cierra una abertura.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6722813B2 (en) * 2000-07-06 2004-04-20 Saint-Gobain Pam Road network device with articulated cover

Also Published As

Publication number Publication date
NO921167L (no) 1992-09-29
IE921005A1 (en) 1992-10-07
DK0506591T3 (da) 1995-08-07
EP0506591A1 (de) 1992-09-30
GR3015427T3 (en) 1995-06-30
ATE119964T1 (de) 1995-04-15
ES2063725T1 (es) 1995-01-16
DE69201664D1 (de) 1995-04-20
NO301602B1 (no) 1997-11-17
DE69201664T2 (de) 1995-07-13
FR2674560A1 (fr) 1992-10-02
FR2674560B1 (fr) 1993-06-11
ES2063725T3 (es) 1995-05-16
IE65916B1 (en) 1995-11-29
NO921167D0 (no) 1992-03-25

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