EP0506591A1 - Deckel für Zu- oder Austrittloch - Google Patents

Deckel für Zu- oder Austrittloch Download PDF

Info

Publication number
EP0506591A1
EP0506591A1 EP92470012A EP92470012A EP0506591A1 EP 0506591 A1 EP0506591 A1 EP 0506591A1 EP 92470012 A EP92470012 A EP 92470012A EP 92470012 A EP92470012 A EP 92470012A EP 0506591 A1 EP0506591 A1 EP 0506591A1
Authority
EP
European Patent Office
Prior art keywords
grid
frame
bars
axis
holding
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
Application number
EP92470012A
Other languages
English (en)
French (fr)
Other versions
EP0506591B1 (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.
  • the grid is divided along its pivot axis into a middle part and two lateral parts elastically connected to the middle part, one end of the middle part adjoining the pivot axis being intended to come into abutment against a corresponding surface of the frame by exerting a couple 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 exhaust 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 bar in the plane of the grid with means for holding the grid in the open and closed position, provided on the frame.
  • 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 internal collar 5 serving as 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 therefore 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 top 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 internal longitudinal face, that is to say closest to the middle of the grid 2 has an inclined surface or ramp 23, the inclination of this ramp being identical to that of the ramp 15 corresponding to 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 lifting movement of the grid 2 causes the inclined surfaces 23 to slide on the ramps 15 of the stops 14 and therefore, an elastic lateral spacing of the bars 19A, 19B relative to their rest position.
  • a lever bar 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 the bars 17 and 20 of the grid.
  • FIG. 6 Such a variant is partially shown in Fig. 6.
  • one of the intermediate bars 29B whose end 30 is of cylindrical shape, of radius R such that when the grid to which the bar 29B belongs is mounted in frame 1, the axis of the surface cylindrical 30 is coincident with the axis XX of rotation of the grid.
  • the frame 1 carries 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 allow the said bar to return to the rest position when the grid is in the open position in order to block it 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.

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Paleontology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Golf Clubs (AREA)
  • Sewage (AREA)
  • Fire-Detection Mechanisms (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Emergency Lowering Means (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Roof Covering Using Slabs Or Stiff Sheets (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
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 true EP0506591A1 (de) 1992-09-30
EP0506591B1 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 (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
EP1191153A1 (de) * 2000-09-21 2002-03-27 Saint-Gobain Pam Schachtabdeckung mit Scharnier
WO2004085754A1 (de) * 2003-03-25 2004-10-07 Aco Severin Ahlmann Gmbh & Co. Kg Abdeckungsanordnug
US7033489B2 (en) 2002-08-30 2006-04-25 Saint-Gobain Pipelines Plc Drainage assembly
US7303669B2 (en) * 2002-08-02 2007-12-04 Norinco Grate for closing a drain and similar
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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2811346B1 (fr) * 2000-07-06 2002-08-23 Saint Gobain Pont A Mousson Dispositif de voirie a couvercle articule tel que les dispositifs de couronnement ou de fermeture des cheminees de sol

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085306A2 (de) * 1982-01-29 1983-08-10 Brickhouse Dudley Manufacturing Limited Einheiten bestehend aus Abdeckungen und Zargrahmen
EP0280872A1 (de) * 1987-02-02 1988-09-07 Von Roll Ag Einrichtung zum Sichern einer eine Öffnung abschliessenden Abdeckung

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0085306A2 (de) * 1982-01-29 1983-08-10 Brickhouse Dudley Manufacturing Limited Einheiten bestehend aus Abdeckungen und Zargrahmen
EP0280872A1 (de) * 1987-02-02 1988-09-07 Von Roll Ag Einrichtung zum Sichern einer eine Öffnung abschliessenden Abdeckung

Cited By (7)

* 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
EP1191153A1 (de) * 2000-09-21 2002-03-27 Saint-Gobain Pam Schachtabdeckung mit Scharnier
US7303669B2 (en) * 2002-08-02 2007-12-04 Norinco Grate for closing a drain and similar
US7033489B2 (en) 2002-08-30 2006-04-25 Saint-Gobain Pipelines Plc Drainage assembly
WO2004085754A1 (de) * 2003-03-25 2004-10-07 Aco Severin Ahlmann Gmbh & Co. Kg Abdeckungsanordnug
US7293937B2 (en) 2003-03-25 2007-11-13 Aco Severin Ahlmann Gmbh & Co. Kg Cover arrangement
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

Also Published As

Publication number Publication date
ES2063725T3 (es) 1995-05-16
ATE119964T1 (de) 1995-04-15
FR2674560A1 (fr) 1992-10-02
NO301602B1 (no) 1997-11-17
EP0506591B1 (de) 1995-03-15
GR3015427T3 (en) 1995-06-30
IE65916B1 (en) 1995-11-29
IE921005A1 (en) 1992-10-07
DE69201664T2 (de) 1995-07-13
ES2063725T1 (es) 1995-01-16
DK0506591T3 (da) 1995-08-07
NO921167D0 (no) 1992-03-25
DE69201664D1 (de) 1995-04-20
FR2674560B1 (fr) 1993-06-11
NO921167L (no) 1992-09-29

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