EP0533533A1 - Verriegelte Schachtabdeckung - Google Patents

Verriegelte Schachtabdeckung Download PDF

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Publication number
EP0533533A1
EP0533533A1 EP92402467A EP92402467A EP0533533A1 EP 0533533 A1 EP0533533 A1 EP 0533533A1 EP 92402467 A EP92402467 A EP 92402467A EP 92402467 A EP92402467 A EP 92402467A EP 0533533 A1 EP0533533 A1 EP 0533533A1
Authority
EP
European Patent Office
Prior art keywords
manhole cover
latch
cover according
pad
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.)
Granted
Application number
EP92402467A
Other languages
English (en)
French (fr)
Other versions
EP0533533B1 (de
Inventor
Francis Berthon
Bertrand Guillaume
Jean-Claude Hauer
Patrice Vauthier
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=9416978&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0533533(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Pont a Mousson SA filed Critical Pont a Mousson SA
Publication of EP0533533A1 publication Critical patent/EP0533533A1/de
Application granted granted Critical
Publication of EP0533533B1 publication Critical patent/EP0533533B1/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
    • E05C19/02—Automatic catches, i.e. released by pull or pressure on the wing
    • 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 manhole cover of the type described in the preamble of claim 1.
  • EP-A-286 562 in the name of the Applicant describes a manhole cover of this type, which is designed so that the pad is raised automatically under the effect of possible upwelling of water.
  • the object of the present invention is to make it possible to ensure positive locking of the tampon in the closed position while retaining the possibility of opening the tampon with a single gesture by means of a crowbar or the like.
  • the subject of the invention is a manhole cover of the aforementioned type, characterized by the content of the characterizing part of claim 1.
  • the pad 1 visible in Fig. 1 and 4 to 6 is intended to form a manhole cover with a fixed frame 2 (Fig. 4 to 6) and a soundproofing lining 3 (Fig. 2 to 4) made of elastomer. It is molded in a single piece of ductile iron and essentially comprises a planar and horizontal upper veil 4 bordered by an annular horizontal rim 5 and under which protrudes a stiffening rib 6 in a star shape (not shown in Fig. 4 to 6 for clarity of the drawing).
  • the buffer has a central orifice 7 bordered by a cylindrical collar for the introduction and the operation of a crowbar, as will be described later.
  • the pad 1 has a T-shaped projection 8 with a radial shank.
  • an articulated metal arm 9 of small section, and consequently relatively elastic, is secured by one end of the end of a reinforcement rib of the tampon, and its other end comprises a latch 10 projecting outwards.
  • the latch 10 is roughly diametrically opposite the projection 8. As can be seen in FIGS. 4 to 7, this latch has on its radially outer face a double convex cam ramp, consisting of an upper ramp 11 which forms a relatively large angle a with the vertical, and a lower ramp 12 which forms with the vertical a relatively small angle b .
  • Frame 2 (Fig. 4 to 6) is also a molded piece of ductile iron. It consists of a sole 13 on which rises a cylindrical skirt 14 carrying at mid-height an inner annular flange 15. The latter has a constant section over its entire periphery, except in one location, of the same circumferential length as the latch 10, where this radial dimension is enlarged into a projection 16 forming a stop.
  • the inner side of this stop has a double convex cam surface consisting of an upper ramp 17 and lower ramp 18 inclined at the same angle equal to the angle cited above, on the vertical (Fig.7) .
  • the frame 2 comprises an upwardly open housing adapted to receive with play the projection 8 of the pad and constituting therewith a hinged device which allows the tilting of the pad, allows the extraction of the projection 8 when the tampon is in the open position, and retains this projection when the tampon is in the closed position.
  • Said housing is designated by the reference 19 in FIGS. 16, 17 and 19, and the hinged device can in particular be as described in the abovementioned EP-A 286 562.
  • the soundproofing lining 3 (not shown in Figs. 5 to 7 for clarity of the drawing) is therefore circular having almost the entire periphery of the constant section visible in Fig.2. It is an inverted L-shaped section adapted to fit together with an elastic clamping on the current flange part 15 of the frame. At a location on its periphery, over a length equal to that of the stop 16, the lining has a window 20 and, to ensure continuity of the lining, a lower heel 21 which borders the lower side of this window.
  • the stop 16 passes through the window 20 and protrudes radially inwards, as seen in FIG. 4.
  • the buffer closes and locks under the effect of its own weight by tilting around the hinge 8 - 19: when the latch 10 arrives at the stop 16, the upper ramp 17 of the latter acts on the lower ramp 12 of the latch to push it inward, then, after passing from the top of the double ramp 11, 12, the arm 9 straightens elastically to reach the locked position of Fig.4.
  • the reduced angle b ensures the absence of jamming and deterioration of the arm 9 during this closure, which can take place following a rapid movement of the tampon.
  • means opposite to the locking device 10 - 16 are provided for taking up horizontal forces.
  • These means can be constituted by two stops 22 (Fig. 1) projecting from the web of the pad on either side of the projection 8 and coming to bear on the skirt 14 of the frame from the start of the action exerted on the crowbar to open the tampon.
  • the veil 4 of the pad has, near its periphery, opposite the projection 8, a stepped orifice 23 which defines an annular bearing surface 24 of cylindrical shape, the axis of the cylinder being horizontal is oriented tangentially.
  • a cylindrical head bolt 25 passes through the orifice 23, an elastomer block 26 and the latch 10A and maintains this stack against the web 4 by means of a nut 27.
  • the latch 10A In the buffer closed position (Fig.10), the latch 10A, whose external configuration is the same as that of the latch 10 in Fig.1 to 7, locks the buffer by cooperation with the stop 16 of the frame as before.
  • the latch 10A At the start of the opening of the buffer (FIG. 11), the latch 10A is pushed inwards by cam effect by compressing the radially inner part of the block 26, and the latter returns the latch to the initial position when the tops of the two double ramps are passed opposite each other.
  • the latch 10B is carried by a slide 28 mounted radially movable against the underside of the veil of the pad, this by means of two bolts 29, 30 which pass through oblong slots 31, 32 of this veil.
  • the slider is urged elastically to its outermost position by an elastomer block 33 interposed between the internal end of the slider and an element 34 of the lower rib of the pad, this block 33 being threaded on a radial stud 35 of the slider.
  • the opening of the tampon can be carried out by inserting a crowbar in the central opening of the tampon as previously, or alternatively according to the variant illustrated in Figs. 13 to 15: the tampon comprises a lower cup 36 molded or attached , located under the slide 28, and openings 37, 38 roughly superimposed are formed in this slide and in the web.
  • the lead bar 39 is introduced through the openings 37 and 38, until it stops against the bottom of the bucket 36, and the mine bar is tilted in the same diametrical plane as before (arrow F5) in bearing on the outer wall 40 of the bucket. This first causes the displacement towards the inside of the slide (Fig. 15) and therefore its disengagement from the stop 16, and the continuation of the tilting movement of the crowbar causes the swiveling of the buffer around the hinge 8 - 19 and its opening.
  • the ramps 11 and 18 which cooperate when the pad is closed can be replaced by flat and horizontal surfaces.
  • the stop 16C of the locking device is rigidly integral with the buffer, while the latch 10C is mounted on the frame.
  • the flange 15 of the frame and the trim 3 have a constant section over their entire periphery, and the frame is provided, opposite the hinge 8 - 19 and outside the skirt 14, with a locking box 41.
  • a housing 42 of triangular section containing a block 43 of elastomer.
  • This bar carries in its middle the latch 10C, of short length, which emerges from the housing 42 through a vertical slot 46 and which presents towards the axis of the gaze a concave surface 47, in an arc of a circle, conjugate with the surface d end of the stop 16C.
  • the assembly 44 - 10C thus has two stable positions, one (Fig. 17 and 20) where the surface 47 is directed downwards, the other (Fig. 22) where this surface is directed upwards.
  • the latch 10C In the buffer closing position (Fig. 17 and 20), the latch 10C is in its first position.
  • the stop 16C By exerting a tilting force by means of a crowbar inserted into the central orifice 7 of the buffer, the stop 16C, by lifting (Fig. 21), forces the assembly 44 - 10C to rotate around the axis of the bar 44 by pushing this assembly outwards against the block 43.
  • a neutral position is exceeded, then the pad can be lifted freely, in the same gesture, while the block 43 pushes back the bar 44 and brings the assembly 44 - 10C into its aforementioned second stable position.
  • the locking of the buffer, at the end of the closure is carried out by a succession of reverse movements to that which has just been described.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • General Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Structural Engineering (AREA)
  • Paleontology (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Motor Or Generator Frames (AREA)
  • Laying Of Electric Cables Or Lines Outside (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Professional, Industrial, Or Sporting Protective Garments (AREA)
  • Details Of Indoor Wiring (AREA)
  • Air Bags (AREA)
  • Sanitary Device For Flush Toilet (AREA)
  • Soil Working Implements (AREA)
  • Closures For Containers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Memory System Of A Hierarchy Structure (AREA)
  • Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
  • Types And Forms Of Lifts (AREA)
EP92402467A 1991-09-16 1992-09-09 Verriegelte Schachtabdeckung Expired - Lifetime EP0533533B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9111393A FR2681356B1 (fr) 1991-09-16 1991-09-16 Regard de chaussee a tampon verrouille.
FR9111393 1991-09-16

Publications (2)

Publication Number Publication Date
EP0533533A1 true EP0533533A1 (de) 1993-03-24
EP0533533B1 EP0533533B1 (de) 1996-04-03

Family

ID=9416978

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92402467A Expired - Lifetime EP0533533B1 (de) 1991-09-16 1992-09-09 Verriegelte Schachtabdeckung

Country Status (8)

Country Link
EP (1) EP0533533B1 (de)
AT (1) ATE136341T1 (de)
DE (1) DE69209602T2 (de)
DK (1) DK0533533T3 (de)
ES (1) ES2085590T3 (de)
FR (1) FR2681356B1 (de)
GR (1) GR3020366T3 (de)
NO (1) NO304706B1 (de)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2732376A1 (fr) * 1995-03-28 1996-10-04 Norinco Dispositif de verrouillage amovible d'un tampon sur un cadre
EP0985770A1 (de) 1998-09-08 2000-03-15 Furnes-Hamjern SCC AS Schachtabdeckung
WO2001023676A1 (de) * 1999-09-30 2001-04-05 Uponor (Deutschland) Gmbh Kanaldeckelanordnung mit universell verwendbarem tragrahmen und kanaldeckel
EP1229173A1 (de) * 2001-02-06 2002-08-07 Karl Kortmann Verschlussvorrichtung für Rohrleitungen, insbesondere Schachtrohre
US6722813B2 (en) * 2000-07-06 2004-04-20 Saint-Gobain Pam Road network device with articulated cover
EP1571264A1 (de) * 2004-03-02 2005-09-07 TPL TECNOGHISA S.r.l. Anordnung zur Befestigung von einer Schachtabdeckung an einem Rahmen
US7160051B1 (en) * 2006-02-28 2007-01-09 Saint-Gobain Pam Closure device
EP1752584A2 (de) * 2005-08-02 2007-02-14 Atlanta Impex Limited Schachtabdeckung
EP1845203A1 (de) * 2006-04-10 2007-10-17 East Jordan Iron Works, Inc. Gussrahmen zur Auflagerung für einen Schachtdeckel und Herstellungsverfahren dafür
FR2933994A1 (fr) * 2008-07-21 2010-01-22 Saint Gobain Pont A Mousson Dispositif de voirie muni d'un loquet de verrouillage
FR3119405A1 (fr) * 2021-01-29 2022-08-05 Fonderies De Brousseval & Montreuil Regard a verrouillage elastique

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH693098A5 (de) 1999-02-25 2003-02-28 Von Roll Holding Ag Einrichtung zum Abdecken einer Bodenöffnung
ES2211238B2 (es) * 2000-11-03 2005-10-01 Cofunco, Sa Registro con dispositivo de cierre y util de apertura/cierre portatil de bolsillo.

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1541436A (en) * 1923-12-31 1925-06-09 Reshan Miklos Sewer drain
US2608085A (en) * 1947-07-23 1952-08-26 Alfred B Castle Locking device
US2846713A (en) * 1956-05-24 1958-08-12 Shankwiler Don Door check
DE1107554B (de) * 1959-01-21 1961-05-25 Praemeta Praez Smetall Und Kun Schnaepper
DE1166036B (de) * 1961-04-05 1964-03-19 Gunnar Erik Lewin Verschluss fuer Tueren, Klappen od. dgl.
FR2424372A1 (fr) * 1978-04-24 1979-11-23 Dumortier Robert Dispositif de verrouillage pour regards ou grilles de chaussee ou autre
EP0286562A2 (de) * 1987-04-07 1988-10-12 Pont-A-Mousson S.A. Strassenschacht mit T-förmigem Scharnier
EP0420777A1 (de) * 1989-09-29 1991-04-03 Pont-A-Mousson S.A. Schachtabdeckung mit verriegeltem Scharnier

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1541436A (en) * 1923-12-31 1925-06-09 Reshan Miklos Sewer drain
US2608085A (en) * 1947-07-23 1952-08-26 Alfred B Castle Locking device
US2846713A (en) * 1956-05-24 1958-08-12 Shankwiler Don Door check
DE1107554B (de) * 1959-01-21 1961-05-25 Praemeta Praez Smetall Und Kun Schnaepper
DE1166036B (de) * 1961-04-05 1964-03-19 Gunnar Erik Lewin Verschluss fuer Tueren, Klappen od. dgl.
FR2424372A1 (fr) * 1978-04-24 1979-11-23 Dumortier Robert Dispositif de verrouillage pour regards ou grilles de chaussee ou autre
EP0286562A2 (de) * 1987-04-07 1988-10-12 Pont-A-Mousson S.A. Strassenschacht mit T-förmigem Scharnier
EP0420777A1 (de) * 1989-09-29 1991-04-03 Pont-A-Mousson S.A. Schachtabdeckung mit verriegeltem Scharnier

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2732376A1 (fr) * 1995-03-28 1996-10-04 Norinco Dispositif de verrouillage amovible d'un tampon sur un cadre
EP0985770A1 (de) 1998-09-08 2000-03-15 Furnes-Hamjern SCC AS Schachtabdeckung
WO2001023676A1 (de) * 1999-09-30 2001-04-05 Uponor (Deutschland) Gmbh Kanaldeckelanordnung mit universell verwendbarem tragrahmen und kanaldeckel
US6722813B2 (en) * 2000-07-06 2004-04-20 Saint-Gobain Pam Road network device with articulated cover
EP1229173A1 (de) * 2001-02-06 2002-08-07 Karl Kortmann Verschlussvorrichtung für Rohrleitungen, insbesondere Schachtrohre
EP1571264A1 (de) * 2004-03-02 2005-09-07 TPL TECNOGHISA S.r.l. Anordnung zur Befestigung von einer Schachtabdeckung an einem Rahmen
EP1752584A3 (de) * 2005-08-02 2008-05-14 Atlanta Impex Limited Schachtabdeckung
EP1752584A2 (de) * 2005-08-02 2007-02-14 Atlanta Impex Limited Schachtabdeckung
EP1826321A1 (de) * 2006-02-28 2007-08-29 Saint-Gobain Pam Absperrvorrichtung
FR2897880A1 (fr) * 2006-02-28 2007-08-31 Saint Gobain Pam Sa Dispositif de fermeture.
US7160051B1 (en) * 2006-02-28 2007-01-09 Saint-Gobain Pam Closure device
CN101029492B (zh) * 2006-02-28 2010-07-07 圣-戈班Pam集团公司 封闭装置
NO340103B1 (no) * 2006-02-28 2017-03-13 Saint Gobain Pont A Mousson Lukningsanordning
EP1845203A1 (de) * 2006-04-10 2007-10-17 East Jordan Iron Works, Inc. Gussrahmen zur Auflagerung für einen Schachtdeckel und Herstellungsverfahren dafür
FR2933994A1 (fr) * 2008-07-21 2010-01-22 Saint Gobain Pont A Mousson Dispositif de voirie muni d'un loquet de verrouillage
WO2010010294A1 (fr) * 2008-07-21 2010-01-28 Saint-Gobain Pam Dispositif de voirie muni d'un loquet de verrouillage
FR3119405A1 (fr) * 2021-01-29 2022-08-05 Fonderies De Brousseval & Montreuil Regard a verrouillage elastique

Also Published As

Publication number Publication date
FR2681356B1 (fr) 1997-04-04
DK0533533T3 (da) 1996-08-19
GR3020366T3 (en) 1996-09-30
DE69209602T2 (de) 1996-08-22
ES2085590T3 (es) 1996-06-01
ATE136341T1 (de) 1996-04-15
NO304706B1 (no) 1999-02-01
NO923559D0 (no) 1992-09-14
FR2681356A1 (fr) 1993-03-19
NO923559L (no) 1993-03-17
DE69209602D1 (de) 1996-05-09
EP0533533B1 (de) 1996-04-03

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