EP1882779A1 - Vorrichtung zum Verriegeln und Entriegeln einer Abdeckung oder eines Deckels auf einem Rahmen mit Hilfe eines Schlüssels, insbesondere von Fahrbahnschachtabdeckungen - Google Patents

Vorrichtung zum Verriegeln und Entriegeln einer Abdeckung oder eines Deckels auf einem Rahmen mit Hilfe eines Schlüssels, insbesondere von Fahrbahnschachtabdeckungen Download PDF

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Publication number
EP1882779A1
EP1882779A1 EP20070290900 EP07290900A EP1882779A1 EP 1882779 A1 EP1882779 A1 EP 1882779A1 EP 20070290900 EP20070290900 EP 20070290900 EP 07290900 A EP07290900 A EP 07290900A EP 1882779 A1 EP1882779 A1 EP 1882779A1
Authority
EP
European Patent Office
Prior art keywords
bolt
key
housing
arm
buffer
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
EP20070290900
Other languages
English (en)
French (fr)
Other versions
EP1882779B1 (de
Inventor
Philippe Javaux
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.)
Norinco SA
Original Assignee
Norinco 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 Norinco SA filed Critical Norinco SA
Publication of EP1882779A1 publication Critical patent/EP1882779A1/de
Application granted granted Critical
Publication of EP1882779B1 publication Critical patent/EP1882779B1/de
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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T70/00—Locks
    • Y10T70/50—Special application
    • Y10T70/5093—For closures
    • Y10T70/554—Cover, lid, cap, encasing shield

Definitions

  • the present invention relates to a device for locking and unlocking with the aid of a key of a buffer or cover on a frame, especially a manhole.
  • Such a device comprising a lock integral with the buffer which has an opening opening access to the lock for the key having an arm whose end allows to operate the lock when the key is inserted into the opening of the buffer of a position locking device in which a bolt of the lock is held prisoner of a striker of the frame to an unlocked position for which the bolt is released from the striker.
  • the present invention aims to provide a device for locking and unlocking with the aid of a key of a buffer or cover on a frame, which is particularly suitable for ensuring the safety of children and has a structure simple and economical.
  • the device for unlocking and locking with the aid of a key of a buffer or cover on a frame comprising a latch secured to the buffer which has an opening opening to access the latch for the key comprising an arm whose one end makes it possible to maneuver the latch when the key is inserted into the opening of the buffer of a locking position in which a bolt of the lock is held prisoner of a striker of the frame at a position of unlocking device for which the bolt is released from the striker, is characterized in that the bolt is removably mounted and guided in translation in a buffer housing, is held in its locking position by a helical compression spring interposed between the bolt and a bottom wall of the housing, and at its end adjacent to the spring having a branch transverse to the longitudinal direction of the bolt extending through two guide grooves respectively formed in two side walls of the housing parallel to the longitudinal direction of the bolt, at least one of the guide grooves through the corresponding side wall of the housing and in which can the end of the arm of the key which can act
  • the side wall of the housing comprising the through groove further comprises a slot perpendicular to this wall, opening into the through groove and allowing the insertion of the operating end of the key arm in the groove.
  • the key comprises a handle parallel to the arm with maneuvering end and a bar connecting the handle to the arm, the handle, the bar and the arm with the operating end of the key being located in the same plane and the opening of the buffer allowing accessing the latch being a slot extending in a plane perpendicular to the longitudinal direction of the bolt and allowing the introduction of the arm and its maneuvering end by displacement in its own plane of the key perpendicular to the plane of the pad, the actuating end of the arm of the key can be introduced into the groove through the wall of the lock housing by translation of the arm parallel to the slot of the buffer towards the housing and able to act on the transverse branch of the bolt to move it to its unobstructed position the lock by rotating the handle of the key in the corresponding direction around the bar of this key.
  • the pad comprises, extending perpendicularly below it, at least one wall parallel to the slot extending from it and allowing the end of the arm of the key to be guided towards the through-groove of the wall of the housing. lock.
  • the pad may comprise two walls for guiding the arm of the key and one of which has at its end facing the lock housing a plate diverging from the other wall of the guide and allowing a limited rotation of the arm of the the key in the direction of the release of the bolt of the striker once the operating end of the arm introduced into the through groove of the wall of the housing.
  • the free end of operation of the arm of the key is bent so as to extend parallel to the arm towards the handle and in the opposite direction to the bar connecting the arm to the handle.
  • a wedge is secured to the pad and at least one guide wall of the key on the latch housing side and is shaped so as to fit into the substantially U-shaped portion defined by the arm of the key. between the bar and the curved end of this arm, when the operating end of the arm is inserted into the through-groove of the wall of the housing.
  • the bolt comprises two flexible tongues located in the same plane as the transverse branch of the bolt opposite it from diverging from each other in the opposite direction to the transverse branch and allowing the retention of the bolt in the housing after latching, when mounting the bolt in this housing, tabs respectively in two windows formed in the two side walls of the housing opposite the bottom wall and the two guide grooves of the transverse branch of the bolt, the free ends of flexible tongues being in support, in the locking position of the buffer and under the action of the restoring force of the spring, on the two edges of the windows opposite the guide grooves.
  • the transverse branch of the bolt is part of a T-shaped end of the bolt.
  • the bolt is made of a plastic material, such as polyacetal, and the return spring comes from material with the bolt.
  • the bolt and its return spring are mounted in the housing by inserting them through a conjugate recess of the front wall of the housing and by pushing the bolt longitudinally in the housing against the restoring force of the spring up to the flexible tabs snap elastically into their respective windows.
  • the bolt and its return spring are mounted in the housing by longitudinal insertion through the end opening of the housing opposite the bottom wall of the housing.
  • the lock housing and the guide walls of the key arm come from casting with the pad.
  • the locking and unlocking device of the invention is particularly intended to equip a buffer, lid or the like 1 for closing a frame, frame or the like 2 defining the opening of a manhole for example.
  • This locking device can be actuated by a key 3 which will be described later.
  • the locking device comprises a latch 4 secured to the inner face of the upper wall 1a of the buffer 1, the wall having an opening 5 allowing the key 3 to access the latch 4.
  • the key 3 comprises an arm 6, one end 7 of which makes it possible to maneuver the latch 4 when the key 3 is inserted into the opening 5 of the buffer 1 in a locking position in which a bolt 8 of the latch 4 is held prisoner of a striker 9 of the frame 1 to an unlocking position for which the bolt 8 is released from the striker 9.
  • the pad 1 is shown as being of the rectangular type that can be housed in a frame of conjugate form 2, but it is understood that it can have a circular shape.
  • the bolt 8 is removably mounted and guided in translation in a lock casing 4 coming from casting with the pad 1 and extending perpendicularly to the side of the pad 1 opposite to that comprising the hinge hinge 11 of the buffer 1 to the frame 2 so that the active portion 12 of the bolt 8 bears, in the closed position of the buffer 1 on the frame 2, under the striker 9 constituted by a rib integral with the inner face of the side of the adjacent frame 2 to the housing 10.
  • the lock housing 10 has the general shape of a rectangular parallelepiped and the bolt 8 is maintained at its locking position of the buffer 1 to the frame 2 by a helical compression spring 13 mounted prestressed between the bolt 8 and a bottom wall 14 of the housing 10 opposite the active portion 12 of the bolt 8.
  • the bolt 8 comprises a T-shaped end portion 15 whose end branch 16 extends transversely to the longitudinal direction of the bolt 8.
  • the latter further comprises two flexible tongues 17 situated in the same plane as the portion 15 in FIG. T-shape and which diverge from each other in the opposite direction to the transverse branch 16 and, consequently, to the active portion 12 of the bolt 8.
  • the bolt 8 and the return spring 13 are made in one piece from a plastic material, for example based on polyacetal.
  • the active portion 12, the flexible tongues 17, the T-shaped portion 15 and the return spring 13 are symmetrical relative to the longitudinal median plane of the bolt 8.
  • the tongues 17 can move elastically toward each other at a position substantially parallel to the longitudinal axis of the bolt 8.
  • polyacetal as material constituting the bolt 8 is advantageous in that it has a good viscosity index and, therefore, a good life despite the friction that can occur between the bolt 8 and the pig iron
  • This material also has the advantage that it makes it easy to integrate the compression spring 13 behind the bolt 8.
  • the housing 10 comprises two grooves 18, only one of which is clearly visible, respectively formed in the two lateral walls 19 of the housing 10 perpendicular to the upper wall 1a of the buffer 1, the two grooves 18 extending parallel to the longitudinal direction of the housing 10 to the bottom wall 14 thereof. At least one of the grooves 18, the one closest to the opening 5 of the buffer 1, through the corresponding side wall 19 of the housing 10 and this wall has a slot 20 perpendicular to the plane of the pad 1 and opening on the one hand in the front wall 21 of the housing 10 and on the other hand in the through groove 18 to allow the introduction of the end 7 of the arm 6 of the key 3 into the groove 18 as will be seen later.
  • the two grooves 18 allow the guiding respectively of the two ends of the transverse branch 16 of the bolt 8 in the housing 10 in the longitudinal direction of the latter against the restoring force of the spring 13 when the bolt 8 is moved longitudinally in position. translation to its unlocking position of the buffer 1 of the frame 2.
  • the housing 10 further comprises two rectangular windows 22 made respectively in the two side walls 19 of this housing opposite the wall 14 and grooves 18 and extending parallel to the longitudinal direction of the housing 10 substantially in the same plane That the guide grooves 18.
  • the two windows 22 are intended to snap-fit the two flexible tongues 17 during assembly of the bolt 8 in the housing 10.
  • the front wall 21 of the housing 10 is cut in such a way as to form a shape-shaped recess conjugated to the T-shaped portion 15 and to the compression spring 13 of the bolt 8 to allow mounting of the latter in this housing.
  • the bolt 8 comprises a lug 23 protruding perpendicularly from the flat leg of the T-shaped portion 15 of the bolt 8 and making it possible to manually insert the bolt 8 by translation into the casing 10 when mounting this bolt.
  • This lug also makes it possible to unlock the bolt of its keeper from the inside of the manhole.
  • the key 3 comprises a handle 24 parallel to the arm 6 and a bar 25 perpendicular or inclined to the handle 24 and connecting the latter to the arm 6.
  • the arm 6 and its end 7, the handle 24 and the connecting rod 25 are located in the same plane and formed by deformation of a bar of rectangular cross section.
  • the end 7 of the arm 6 is connected to the latter by a bent portion at right angles so that this end extends parallel to the arm 6 towards the handle 24 and in the opposite direction to the bar 25.
  • the key 3 thus has a shape generally in G with the handle 24 of greater length than that of the arm 6 and its end 7.
  • the opening 5 of the tampon 1 is constituted by an elongate slot parallel to the side of the pad 1 opposite its articulation 11 to the frame 2 and which is located in a plane perpendicular to the longitudinal direction of the casing 10.
  • the slot 5 has a length slightly greater than that of the arm 6 and its end 7 to allow the introduction of the arm 6 and its end 7 through the slot 5 by moving in its own plane of the key 3 perpendicular to the upper wall 1a of the buffer 1.
  • the buffer 1 comprises, extending perpendicularly from its internal face, two walls 26 arranged parallel to the slot 5 extending from it and allowing the guide of the end 7 of the arm 6 to the through groove 18 of the wall 19 lock housing 10.
  • the two guide walls 26 are connected to one another by a transverse wall 27 opposite the housing 10 and define an opening facing the groove 18 and the slot 20.
  • a wedge 29 is secured to the inner face of the upper wall 1a of the buffer 1 between the diverging wall 28 and the guide wall 26 and is opposite the through groove 18 and the slot 20.
  • the wedge 29 is shaped so that to fit into the substantially U-shaped portion defined by the arm 6 between the bar 25 and the curved end 7 of the key 3, when the end 7 is inserted into the slot 20 at the groove 18.
  • the wedge 29 constitutes an obstacle to the introduction of a simple hook-shaped key to try to fraudulently unlock the bolt 8 of its striker 9.
  • only the key 3 of the invention can be used, by the presence of the wedge 29, to act by its end 7 on the bolt 8 during the unlocking of the buffer 1 of its frame 2.
  • a single guide wall 26 may be provided, the one not comprising the diverging wall 28.
  • the wedge 29 is secured to the pad and this single wall 26 and the end 7 of the key 3 bears against the bottom of the through groove 18 at the position of the key corresponding to that of unlocking the bolt 8.
  • FIGs 8 to 11 show the mounting of the bolt 8 in the housing 10.
  • the bolt 8 is presented opposite the front wall 21 of the housing 10 so that its active portion 12 is outside the housing 10 and its T-shaped portion 15 and its compression spring 10 are facing the conjugate cavity formed in the front wall 21 of the housing 10.
  • the bolt 8 is then introduced into the housing 10 through the wall 21 at the position 9 and the bolt 8 is then moved in translation, by means of the gripping lug 23, in the housing 10 as indicated by the arrows F1 in FIG. 9 so that the two flexible tongues 17 are elastically brought together. towards each other by the two end portions of the side wall 19 opposite to the bottom wall 14 as shown in FIG. 10 until they reach the two windows 22 in which they move apart elastically. one of the other as shown in Figure 11.
  • the free ends of the two tongues 17 abut, under the action of the restoring force exerted by the spring 13 bearing on the bottom wall 14 on the end edges of the windows 22 so as to keep the bolt 8 in its locking position of the buffer 1 to the frame 2.
  • the bolt 8 is retained in the housing 10 not only by the two tabs 17 housed in their windows s respectively 22 but also by the transverse branch 16 of the bolt 8 whose ends are housed in their respective guide grooves 18.
  • the bolt 8 and its return spring 13 can be mounted in the housing 10 by inserting them longitudinally through the opening opening of the housing 10 opposite its bottom wall 14.
  • the unlocking of the buffer 1 of its frame 2 is as follows.
  • the arm 6 and its end 7 of the key 3 are introduced into the slot 5 of the pad 1 so that the arm 6 and its end 7 arrive at the position shown in FIG. 14 at which a portion of the bar 25 of the key 3 is located between the two guide walls 26 and close to the transverse wall 27, the end 7 being at a level substantially greater than the wedge 29.
  • the key 3 can be moved in a manner guided by the walls 26 in a direction perpendicular to the longitudinal direction of the housing 10 as indicated by the arrow F2 in Figure 14 so that the arm 6 and its end 7 arrive at the position shown in Figure 15 at which the portion of the bar 25 bears on the end of the wedge 29 opposite to the housing 10 and the U-shaped portion defined by the arm 6 between the bar 25 and the curved end 7 is in line with the wedge 29 to then allow, by traction exerted on the handle 24 of the key 3 in the sense opposite the upper wall 1a of the buffer 1, to introduce the end 7 into the slot 20 of the housing 10 as symbolized by the arrow F3 in FIG.
  • Figures 16 and 17 show that by pivoting the key 3 around the bar 25 in the direction indicated by the arrow F4 ( Figure 17), the arm 6 and its end 7 rotate in the same direction as symbolized by the arrow F5 in 16 so that the end 7 acts on the corresponding end of the transverse branch 16 of the bolt 8 to move the latter in rectilinear translation and guided in the grooves 18 of the housing 10 against the return force of the spring 13 and up to a position in which the active part 12 of the bolt 8 is disengaged from the striker 9 of the frame 2.
  • the pivoting of the arm 6 and its end 7 to disengage the bolt 8 of the striker 9 is limited by the wall divergent 28.
  • the pad 1 can be lifted using the handle 27 of the key 3 around its hinge axis 11 to the frame 2 to its open position completely cleared of this framework.
  • the bolt 8 In unlocked position of the buffer 1, the bolt 8 is returned to its locking position by the compression spring 13.
  • the key 3 can be used to return the buffer 1 to its closed position of the frame 2 by tilting around the articulation 11 until the active part 12 of the bolt 8 engages automatically under the striker 9 against the return force of the spring 13, but the key 3 can be all simply removed from the buffer 1 before tipping the buffer 1 under its own weight to its locked position locked to the frame 2 by the bolt 8.
  • the guide walls 26, 28 can come from casting with the buffer 1.
  • the bolt 8 can be removed from its housing 10 by bringing the two tongues 17 together and pulling the bolt 8 through the conjugate recess of the front wall 21 of the housing after having moved the bolt 8 longitudinally. look at this footprint. If necessary, the bolt 8 can be removed from the housing 10 by pulling it longitudinally out of the housing after bringing the two tabs 17 close to one another.
  • the locking and unlocking device of the invention is an extremely simple and economical structure and is particularly suitable for locking a pad or cover ensuring the safety of a child. Indeed, the fact that a child has a limited force, the embodiment of a plastic bolt provides the bolt resistance sufficient to ensure this security. In addition, the extremely simple configuration of the key 3 in combination with the spacer 29 at the exit of the insertion slot of the active part 7 of this key prevents the use of any other key in the form of a simple hook to fraudulently unlock the key. buffer 1 of its frame 2.

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  • Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Paleontology (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Lock And Its Accessories (AREA)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Sewing Machines And Sewing (AREA)
  • Road Paving Machines (AREA)
  • Road Signs Or Road Markings (AREA)
EP20070290900 2006-07-21 2007-07-18 Vorrichtung zum Verriegeln und Entriegeln einer Abdeckung oder eines Deckels auf einem Rahmen mit Hilfe eines Schlüssels, insbesondere von Fahrbahnschachtabdeckungen Not-in-force EP1882779B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0653075A FR2904014B1 (fr) 2006-07-21 2006-07-21 Dispositif de verrouillage et de deverrouillage a l'aide d'une cle d'un tampon ou couvercle sur un cadre, notamment de regard de chaussee.

Publications (2)

Publication Number Publication Date
EP1882779A1 true EP1882779A1 (de) 2008-01-30
EP1882779B1 EP1882779B1 (de) 2009-07-01

Family

ID=37810290

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070290900 Not-in-force EP1882779B1 (de) 2006-07-21 2007-07-18 Vorrichtung zum Verriegeln und Entriegeln einer Abdeckung oder eines Deckels auf einem Rahmen mit Hilfe eines Schlüssels, insbesondere von Fahrbahnschachtabdeckungen

Country Status (9)

Country Link
US (1) US20080022731A1 (de)
EP (1) EP1882779B1 (de)
CN (1) CN101109250B (de)
AT (1) ATE435339T1 (de)
CA (1) CA2593966A1 (de)
DE (1) DE602007001421D1 (de)
FR (1) FR2904014B1 (de)
NO (1) NO20073855L (de)
SG (1) SG139681A1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2956418A1 (fr) * 2010-02-18 2011-08-19 Norinco Regard de chaussee a cadre et tampon pourvu d'un joint d'amortissement et d'etancheite
EP4001512A1 (de) * 2020-11-18 2022-05-25 Werner Renggli Sperreinheit und verschlusssystem für schachtbauwerke

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9157212B2 (en) 2008-05-22 2015-10-13 Mcgard Llc Corrosion-resistant self-locking manhole cover
US8888400B2 (en) 2010-10-07 2014-11-18 Mcgard Llc Corrosion-resistant self-locking manhole cover
US20110210135A1 (en) * 2010-02-26 2011-09-01 Scott Huff Lockable Lid for Container
US10329759B2 (en) 2012-09-17 2019-06-25 Steelcase Inc. Floor-to-ceiling partition wall assembly
US8850762B2 (en) 2012-09-17 2014-10-07 Steelcase Inc. Vertically adjustable partition wall door
CN103938654B (zh) * 2014-04-10 2016-08-31 北京泰宁科创雨水利用技术股份有限公司 一种带安全锁紧装置防松型井盖与井座
CN106801441A (zh) * 2015-11-26 2017-06-06 中国石油天然气股份有限公司 防盗井盖以及用于防盗井盖的开启工具
CN105416810B (zh) * 2015-12-23 2017-05-17 天津市盘石纳新科技股份有限公司 一种带有安全防护装置的装款箱
CN110916462A (zh) * 2019-12-31 2020-03-27 盛纪（上海）家居用品有限公司 吸嘴杯盖

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1884722A (en) * 1931-11-28 1932-10-25 Alexander S Katz Lock
US2608085A (en) * 1947-07-23 1952-08-26 Alfred B Castle Locking device
DE3604164A1 (de) * 1985-02-22 1986-08-28 Aktiebolaget Gustavsberg, Gustavsberg Einrichtung zum sichern von schachtabdeckungen
CH692707A5 (de) * 1997-11-06 2002-09-30 Werner Nill Sicherheitsverschluss eines begeh- oder befahrbaren Deckels.
US6471258B1 (en) * 1999-09-21 2002-10-29 Marcelino Bombuy Perich Latching mechanism of an anti-finger catching system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2646481B1 (fr) * 1989-04-28 1991-08-23 Legrand Sa Dispositif de fixation pour article a rapporter sur un quelconque support, et article, en particulier boitier, equipe d'au moins un tel dispositif de fixation
FR2793502B1 (fr) * 1999-05-11 2001-08-17 Norinco Bouche d'egout a couvercle et grille articules et verrouilles
CN2641131Y (zh) * 2003-09-02 2004-09-15 王和学 窨井井盖
CN2690472Y (zh) * 2004-03-16 2005-04-06 王书武 防盗井盖及开启工具
CN2769430Y (zh) * 2005-02-28 2006-04-05 威海康威通信技术有限公司 窨井盖电子密码锁离合垫圈应急开锁装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1884722A (en) * 1931-11-28 1932-10-25 Alexander S Katz Lock
US2608085A (en) * 1947-07-23 1952-08-26 Alfred B Castle Locking device
DE3604164A1 (de) * 1985-02-22 1986-08-28 Aktiebolaget Gustavsberg, Gustavsberg Einrichtung zum sichern von schachtabdeckungen
CH692707A5 (de) * 1997-11-06 2002-09-30 Werner Nill Sicherheitsverschluss eines begeh- oder befahrbaren Deckels.
US6471258B1 (en) * 1999-09-21 2002-10-29 Marcelino Bombuy Perich Latching mechanism of an anti-finger catching system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2956418A1 (fr) * 2010-02-18 2011-08-19 Norinco Regard de chaussee a cadre et tampon pourvu d'un joint d'amortissement et d'etancheite
WO2011101582A3 (fr) * 2010-02-18 2014-09-04 Norinco Regard de chaussée et joint d'étanchéité
EP4001512A1 (de) * 2020-11-18 2022-05-25 Werner Renggli Sperreinheit und verschlusssystem für schachtbauwerke
CH718074A1 (de) * 2020-11-18 2022-05-31 Renggli Werner Sperreinheit für ein mit einem Schachtdeckel verschliessbares Schachtbauwerk.

Also Published As

Publication number Publication date
DE602007001421D1 (de) 2009-08-13
CA2593966A1 (fr) 2008-01-21
EP1882779B1 (de) 2009-07-01
US20080022731A1 (en) 2008-01-31
FR2904014A1 (fr) 2008-01-25
SG139681A1 (en) 2008-02-29
ATE435339T1 (de) 2009-07-15
CN101109250B (zh) 2012-08-22
FR2904014B1 (fr) 2008-10-10
NO20073855L (no) 2008-01-22
CN101109250A (zh) 2008-01-23

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