EP0459150A2 - Dispositif de retenue pour une couverture - Google Patents

Dispositif de retenue pour une couverture Download PDF

Info

Publication number: EP0459150A2
Authority: EP; European Patent Office
Prior art keywords: plate; safety device; ring; shaft; pivot pin
Prior art date: 1990-05-30
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

EP91106743A

Other languages

German (de)

English (en)

Other versions

EP0459150B1 (fr

EP0459150A3 (en

Inventor

Bernhard Kessel

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.)

Individual

Original Assignee

Individual

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.)

1990-05-30

Filing date

1991-04-26

Publication date

1991-12-04

1991-04-26 Application filed by Individual filed Critical Individual

1991-12-04 Publication of EP0459150A2 publication Critical patent/EP0459150A2/fr

1992-02-26 Publication of EP0459150A3 publication Critical patent/EP0459150A3/de

1995-07-05 Application granted granted Critical

1995-07-05 Publication of EP0459150B1 publication Critical patent/EP0459150B1/fr

2011-04-26 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

Images

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 safety device of the type specified in the preamble of the independent claims 1 and 2.
the invention has for its object to provide a structurally simple securing device which is particularly useful for covers made of plastic and in which it is immaterial how the fold receiving the plate is designed.
the cutting area of the cutting blade cuts into the fold, whereby the plate is secured against lifting out. It doesn't matter what the fold looks like.
the plate can be inserted into any suitable fold and secured in it.
the fold does not need a shape that allows it to be secured. There is no need to pay attention to the rotational position of a round plate in the fold.
the positive and non-positive connection resists willful or theft attempts to lift it out and can only be released if the correct tool is used to lift the plate out.
the embodiment according to claim 3 is advantageous because a plurality of securing devices prevent the plate from being lifted out particularly reliably.
a particularly expedient embodiment is also apparent from claim 4.
the cutting area can be cut into the fold in a pulling movement, which ensures a very firm hold of the plate and the forces to be applied remain bearable.
this pulling rotary movement remove the cutting area from the fold.
the cutting area In the passive position, the cutting area is inside the edge contour of the plate. The cutting area only emerges from the outlet when the securing device is moved into the securing position.
a relatively easy to produce and also releasable pulling cut is ensured in the embodiment according to claim 5 with the curvature of the cutting area.
the embodiment of claim 6 is advantageous because the cutting blade flattened on both sides takes up little space in the recess in the plate.
a spinning of the cutting blade when adjusting the safety device is excluded in the embodiment according to claim 7.
the embodiment according to claim 10 is also important because the securing device in this embodiment does not impair the desired sealing function of the seal in the edge.
the features of claim 11 are advantageous with regard to a perfect seal through the securing device and also in order to avoid automatic release of the securing device.
a particularly low-power actuation and a very firm frictional engagement are achieved in the embodiment according to claim 13.
a structurally simple, inexpensive and reliable embodiment is also apparent from claim 14.
the ring By turning the two pressure rings, the ring is deformed from deformable material until it creates the frictional connection. Due to the ramps sliding against each other, a relatively low torque can be converted into a high compression force and thus into a very effective frictional connection.
a further advantageous embodiment is set out in claim 17.
the ring made of deformable material is slightly deformed to produce a very effective frictional connection.
a plate P for example of circular shape and without passages, is part of a cover of a shaft, a gully or another wastewater technical element and is intended to be inserted flush into a fold F (FIG. 4) of such a cover H.
two diametrically opposed securing devices S are arranged near the edge R of the plate.
a receptacle A is provided in the plate for each securing device, in which an adjusting element V for an engaging element E, in this case rotatable, is mounted.
a rotary slot D is used, for example, to rotate the adjustment element.
the engagement element E can be adjusted between a securing position (FIG. 1, left side) and a passive position (FIG. 1, right side).
the engaging element E projects over the edge R and engages with the fold F.
the engagement element E is retracted behind the edge R of the plate P.
the rotary slot D can be designed as an arrow marking, so that it can be seen from above, when the plate is inserted, which position the engagement element E currently has.
FIGS. 2 and 3 are a bottom view of FIG. 2 that the plate P has a structure G on the top and that the receptacle A is a stepped bore 1 near the edge R.
the stepped bore 1 consists of an upper bore section 2 in the form of a socket, to which a collar 3 adjoins, which delimits a through bore 4.
Below the collar 3 is one, in this embodiment, the underside the plate P open recess 5, from which an outlet 7 to the edge R is open.
An annular groove 6 runs around the outlet 7 for a seal to be attached there.
stops 8 and 9 for the engaging element E which can be seen in detail in FIG. 4, are provided in the recess 5 and define the two positions (securing position and passive position) for the engaging element.
the safety device S can be inserted into the receptacle A in FIGS. 1 to 3.
This has a pivot pin B as the adjusting element, in the head 11 of which the rotary slot D is formed.
an internal hexagon or another depression which allows the attachment of a special rotary tool can also be provided.
the head 10 is followed by a shaft 11 which projects down into the recess 5.
a circumferential groove 12 is provided for a sealing ring 13, which also secures the head 10 against unwanted twisting.
the shaft has at least part of its axial extent a non-circular cross-section 14, to which a retaining groove 15 for a locking ring 16 connects, with which the engagement element is non-rotatably and axially secured on the non-circular cross-section 14.
the engagement element E is a cutting blade 17, e.g. made of sheet steel, which has a cutting area 18 with a cutting edge 19 sharpened on both sides.
the cutting blade 17 is flattened on both sides (not shown) so that it has an approximately rectangular shape.
the cutting area 18 can run in a circular arc around the axis of the pivot pin B.
the engaging element E is in its securing position, in which it is in the fold F of the cover H is incised.
the cutting blade 17 can be turned into the recess 5 from the securing position shown until it abuts the stop 9 and has withdrawn behind the edge R. In the secured position, it is expediently in contact with one of its flattened sides against the stop 8.
a pivot pin B is again used as the adjusting element, which has its head 10 rotatably supported on a wall 29 of the recess 5 and projects with its shaft 11 into the recess 5 up to the lower edge of the plate.
the plate P has permeable slots 20 which, for example, allow waste water to pass through from above.
a ring 21 made of deformable material, for example rubber or an elastomer, is used as the engagement element E, which is pushed onto the shaft 11 with play and is supported on the wall 29 at the top. If necessary. the ring 21 also abuts a wall 22 of the recess 5.
a compression part K which is arranged on the lower end of the shaft 11, is used to deform the ring 21. It consists of a lower pressure ring 23 and an upper pressure ring 24, which have inclined ramps 25, 26 on their mutually facing end faces.
the pressure ring 23 is non-rotatably connected to the shaft 11 via a groove 30 and a pin 31.
the locking ring 16 secures the pressure ring 23 against falling downwards.
the other pressure ring 24 rests on the underside of the ring 21. If necessary. it has a corrugated end face in order to be prevented from rotating by the ring 21 with the pressure ring 23.
the ring 21 is placed at the bottom on a wall 37 of the plate delimiting the recess 5.
the pivot pin B can be screwed to an external thread 32 in an internally threaded bore 33 of the wall 29 and engages with an extension 34 of its shaft 11 in a recess in the ring 21 in order to center it.
the head of the pivot pin projects above the top of the plate P. If the pivot pin is screwed into the inner bore 33 to produce the frictional engagement, it is flush with the upper side of the plate P when the securing position is reached.
the ring 21 is supported with its upper end face on the wall 29 of the recess 5.
the shaft 11 of the pivot pin B carries at least at its lower end an external thread 32 which is screwed into an internal thread 36 of a pressure plate 35.
the pressure plate rests on the lower end face of the ring 21 and is prevented from rotating with the shaft 11, if necessary, by upright claws.
the pressure plate 35 can be gripped by the wall 37 of the recess 5.
the pivot pin only needs to be screwed in the opposite direction until the ring 21 relaxes again and withdraws behind the edge R.
an eccentric, a displaceable wedge or a swivel lever it would be conceivable to use an eccentric, a displaceable wedge or a swivel lever.

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)
Grinding-Machine Dressing And Accessory Apparatuses (AREA)
Pressure Vessels And Lids Thereof (AREA)
Pivots And Pivotal Connections (AREA)
Sink And Installation For Waste Water (AREA)

EP91106743A 1990-05-30 1991-04-26 Dispositif de retenue pour une couverture Expired - Lifetime EP0459150B1 (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
DE9006130U DE9006130U1 (de)	1990-05-30	1990-05-30	Sicherungsvorrichtung für eine Abdeckung
DE9006130U		1990-05-30

Publications (3)

Publication Number	Publication Date
EP0459150A2 true EP0459150A2 (fr)	1991-12-04
EP0459150A3 EP0459150A3 (en)	1992-02-26
EP0459150B1 EP0459150B1 (fr)	1995-07-05

Family

ID=6854253

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP91106743A Expired - Lifetime EP0459150B1 (fr)	1990-05-30	1991-04-26	Dispositif de retenue pour une couverture

Country Status (3)

Country	Link
EP (1)	EP0459150B1 (fr)
DE (2)	DE9006130U1 (fr)
ES (1)	ES2075254T3 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10126517A1 (de) *	2001-05-30	2002-12-19	Langmatz Lic Gmbh	Verriegelungseinrichtung insbesondere für einen Schachtdeckel eines Schachtes
WO2011073548A1 (fr) *	2009-12-17	2011-06-23	Norinco	Dispositif de voirie a cadre et au moins un element de recouvrement a deplacement limite dans ce cadre
DE202020101621U1 (de)	2020-03-26	2020-05-07	Hans-Jürgen Trauthwein	Schachtdeckel für eine Schachtabdeckung eines Abwasser-Regenwasserkanals und Schachtabdeckung

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10250233A1 (de) *	2002-10-29	2004-05-27	Juri Riedel	Sperrvorrichtung für Kanalisationsschächte

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3920347A (en) *	1973-10-29	1975-11-18	Roby Ind Inc	Manhole cover
NL165522C (nl) *	1977-02-07	1981-04-15	Raatjes Egbertus Sijbolt	Afdekking van een opening in een wegdek.
FR2570106B2 (fr) *	1984-09-12	1986-12-19	Dumortier Robert	Dispositif de verrouillage pour tampon de regard de chaussee
FR2581103B1 (fr) *	1985-04-29	1987-05-29	Pont A Mousson	Regard de chaussee a tampon verrouille et etanche
CH677379A5 (fr) *	1987-11-26	1991-05-15	Von Roll Ag
CH675265A5 (fr) *	1987-12-07	1990-09-14	Von Roll Ag

1990
- 1990-05-30 DE DE9006130U patent/DE9006130U1/de not_active Expired - Lifetime
1991
- 1991-04-26 ES ES91106743T patent/ES2075254T3/es not_active Expired - Lifetime
- 1991-04-26 DE DE59105909T patent/DE59105909D1/de not_active Expired - Fee Related
- 1991-04-26 EP EP91106743A patent/EP0459150B1/fr not_active Expired - Lifetime

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE10126517A1 (de) *	2001-05-30	2002-12-19	Langmatz Lic Gmbh	Verriegelungseinrichtung insbesondere für einen Schachtdeckel eines Schachtes
DE10126517C2 (de) *	2001-05-30	2003-04-24	Langmatz Lic Gmbh	Verriegelungseinrichtung insbesondere für einen Schachtdeckel eines Schachtes
WO2011073548A1 (fr) *	2009-12-17	2011-06-23	Norinco	Dispositif de voirie a cadre et au moins un element de recouvrement a deplacement limite dans ce cadre
FR2954368A1 (fr) *	2009-12-17	2011-06-24	Norinco	Dispositif de voirie a cadre et au moins un element de recouvrement a deplacement limite dans ce cadre
DE202020101621U1 (de)	2020-03-26	2020-05-07	Hans-Jürgen Trauthwein	Schachtdeckel für eine Schachtabdeckung eines Abwasser-Regenwasserkanals und Schachtabdeckung

Also Published As

Publication number	Publication date
DE9006130U1 (de)	1990-08-02
EP0459150B1 (fr)	1995-07-05
EP0459150A3 (en)	1992-02-26
DE59105909D1 (de)	1995-08-10
ES2075254T3 (es)	1995-10-01

Legal Events

Date	Code	Title	Description
1991-10-18	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
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1995-07-05	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE ES FR GB IT
1995-07-13	ET	Fr: translation filed
1995-08-10	REF	Corresponds to:	Ref document number: 59105909 Country of ref document: DE Date of ref document: 19950810
1995-08-16	GBT	Gb: translation of ep patent filed (gb section 77(6)(a)/1977)	Effective date: 19950718
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1996-05-17	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1996-07-03	26N	No opposition filed
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