EP0176451B1 - Sicherungseinrichtung für Schachtabdeckung - Google Patents

Sicherungseinrichtung für Schachtabdeckung Download PDF

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Publication number
EP0176451B1
EP0176451B1 EP85420150A EP85420150A EP0176451B1 EP 0176451 B1 EP0176451 B1 EP 0176451B1 EP 85420150 A EP85420150 A EP 85420150A EP 85420150 A EP85420150 A EP 85420150A EP 0176451 B1 EP0176451 B1 EP 0176451B1
Authority
EP
European Patent Office
Prior art keywords
plug
cavity
washer
wall
intended
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
Application number
EP85420150A
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English (en)
French (fr)
Other versions
EP0176451A1 (de
Inventor
S.A. Fidum
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.)
Fidum Sa
Original Assignee
Fidum Sa
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Filing date
Publication date
Application filed by Fidum Sa filed Critical Fidum Sa
Priority to AT85420150T priority Critical patent/ATE33159T1/de
Publication of EP0176451A1 publication Critical patent/EP0176451A1/de
Application granted granted Critical
Publication of EP0176451B1 publication Critical patent/EP0176451B1/de
Expired 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
    • E02D29/1427—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
    • Y10T292/00—Closure fasteners
    • Y10T292/08—Bolts
    • Y10T292/1043—Swinging
    • Y10T292/1075—Operating means
    • Y10T292/1083—Rigid
    • Y10T292/1085—Friction catch
    • 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
    • Y10T70/5155—Door
    • Y10T70/5199—Swinging door
    • Y10T70/5246—Dead bolts
    • Y10T70/5296—Single
    • Y10T70/5345—Swinging
    • Y10T70/5363—Key operable only
    • 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
    • Y10T70/80—Parts, attachments, accessories and adjuncts
    • Y10T70/8946—Emergency unlocking or release arrangements

Definitions

  • French patent 2,376,919 in the name of the applicant describes a locking device composed of a pivoting lock, housed in a cavity of the buffer and the upper part of which is provided with a housing which, capable of cooperating with an actuating member formed at the lower end of a removable key, is arranged angularly so as to coincide only in the closed position with the housing formed in the upper wall of the cavity and corresponding, in shape and dimensions, to those of the actuator.
  • the lock when the manhole is locked, the lock is still in the waiting position for the key and when it is open, the key is inseparable from the pad and therefore requires to be actuated, in the locking direction, to be released. , which prevents the pad from being closed and not locked.
  • the locking device must be able to be actuated from the inside, that is to say from the manhole;
  • the device described in the aforementioned French patent if it prohibits any actuation from the outside by means of keys other than those provided, and any closing without locking, is not designed to be actuated from the inside.
  • the object of the present invention is therefore to provide a buffer locking device which, while retaining a structure requiring locking in order to recover the key, eliminates the operating disadvantages inherent in manufacturing and allows actuation of the device by the inside.
  • the head of the bolt protrudes into the cavity and is integral in rotation with a bit capable of pivoting by describing a trajectory opening out of the buffer, while its rod, on the one hand, is guided in rotation by a lower, spaced wall an upper wall comprising the cavity and delimiting with the wall a space in which the bit is disposed, on the other hand, is linked in rotation to a notched washer, able to cooperate with positioning grooves formed in the lower face of the lower wall, moreover, constitutes a support for a spring bearing on the notched washer and on another washer wedged in translation at the end of this rod, and, finally, is provided at its lower end with a polygonal profile actuable by a key.
  • this device With this device, the actual locking is ensured by the bit whose angular positioning is indicated to the operator by the notched washer cooperating with the grooves of the lower wall. Due to its structure, this device is insensitive to dimensional variations and, in addition, can be operated from the outside, with an appropriate key, and from the inside.
  • FIG 1 denote two road buffers articulated around axes (1) relative to a fixed frame (3).
  • Each buffer of generally trapezoidal shape, has, opposite its articulation (1), protuberances (4) intended to penetrate into the interval delimited between the base (3) and the end of the other buffer.
  • the locking device is arranged, in this embodiment, in each of the protrusions. these (4).
  • each of the protrusions (4) is composed of an upper wall (40) and a lower wall (41) delimiting between them a space (42).
  • the upper wall (40) is crossed by a stepped circular bore (43), of large diameter, constituting the cavity, while the wall (42) is crossed by a bore (44), of small diameter and coaxial with the first.
  • the bore (43) comprises laterally, and diametrically opposite in this embodiment, two vertical grooves (45) opening into the space (42). These grooves (45) communicate with semicircular grooves (46) underlying a step (47).
  • the grooves (46) open into vertical blind grooves (48) upwards.
  • From the underside (49) of the wall (41) open grooves (50) arranged radially relative to the bore (44).
  • These positioning grooves are four in number and are aligned, two by two, on two perpendicular axes, one parallel to the longitudinal axis of the vertical grooves (48).
  • the lock generally designated by (7), is composed of a cylindrical head (51) provided at its lower part with a flat (52).
  • the head is provided with a longitudinal groove (53).
  • Its rod (51a) also cylindrical, is provided with two lateral flats (54), parallel to the flats (52), and ends with a polygonal end piece (55).
  • this nozzle has a square section.
  • the rod (51a) of the lock (7) is linked in rotation, by its flats (54), to a washer (58) which, as shown in more detail in FIG. 5, is provided with two projecting diametric notches (59) from its upper side.
  • This washer is also made of synthetic material with a low coefficient of friction. It is pressed against the lower face (49) of the lower wall (41), by a helical spring (60) bearing on a lower washer (61) stopped in translation by a transverse pin (62) passing through the rod.
  • This simple device can either be actuated by the head of the lock (7) or by the polygonal end piece (55), that is to say from the outside or from the inside of the manhole.
  • a drive member generally designated by (63) in FIG. 3, composed of a bush (64) whose outside diameter is equal, apart from play, to the diameter of the cavity (43) and whose diameter of the internal bore (65) is equal, apart from play, to the outside diameter of the head of the latch (7).
  • This bore (65) is provided with an internal longitudinal key (66) capable of cooperating and engaging in the groove (53) of the head (51) of the lock.
  • the sleeve (64) is provided with two radial pins (67) capable of penetrating into the vertical grooves (45) of the upper wall (40) to engage, under the step (47), in the circular grooves (46) and come, at the end of the opening movement, into the vertical blind grooves (48).
  • the drive member (63) in the opposite direction, that is to say by pushing it down to release its tenons (67) lights (48) before rotating it until its pins come at the level of the vertical lights (45), allowing its release from the buffer.
  • the actuation key can only be removed when the bit (56) is in the locked position.
  • FIG. 1 shows that the locking of the buffers, which normally takes place by engaging the bit in an appropriate housing of the base (3), can also be carried out by engaging the bit in a housing formed on the opposite pad, without as far as it goes beyond the scope of the invention.
  • an elastic plug (68), shown in phantom in Figure 2, can be introduced into the cavity (43) to close it and prevent it from filling and clogging the device with waste, earth or other.

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)
  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Road Paving Structures (AREA)
  • Pressure Vessels And Lids Thereof (AREA)
  • Load-Engaging Elements For Cranes (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Road Repair (AREA)
  • Recording Measured Values (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)

Claims (5)

1. Sicherungseinrichtung für eine Schachtabdeckung mit einem in einem Hohlraum (43) der Abdeckung (2a-2b) aufgenommenen, schwenkbaren Riegelbolzen (7), der in seinem oberen Bereich eine Aufnahme besitzt, die zum Zusammenwirken mit einem an dem unteren Ende eines abnehmbaren Schlüssels angebrachten Mitnehmerorgan (63) bestimmt und in einer solchen Winkelposition angeordnet ist, daß sie nur in Schließstellung mit einer Aufnahme deckungsgleich zusammenfällt, die in der oberen Wandung des Hohlraums angebracht ist und in Form und Abmessungen der Form und den Abmessungen des Mitnehmerorgans entspricht, dadurch gekennzeichnet, daß der Kopf (51) des Riegelbolzens (7) in den Hohlraum (43) ragt und drehfest mit einem verschwenkbaren Schließhebel (56) verbunden ist, der bei seiner Verschwenkung eine außerhalb der Abdeckung mündende Bahn beschreibt, daß der Schaft (51a) des Riegelbolzens (7) in einer unteren Wandung (41) drehbar geführt ist, die im Abstand von einer oberen Wandung (40) angeordnet ist, in der der Hohlraum (43) ausgebildet ist und die mit der unteren Wandung (41) einen Zwischenraum (42) begrenzt, in dem sich der Schließhebel (56) befindet,
daß der Schaft (51a) ferner drehfest mit einer Rastscheibe (58) verbunden ist, die ein Zusammenwirken mit an der Unterseite der unteren Wandung (41) angebrachten Positionierungsnuten (50) ermöglicht,
daß der Schaft (51a) außerdem als Träger für eine Feder (60) dient, die sich gegen die Rastscheibe (59) sowie gegen eine weitere im Endbereich des Schafts (51a) angeordnete, gegen eine Translationsbewegung verkeilte Scheibe (61) abstützt,
und daß der Schaft (51a) schließlich an seinem unteren ein von einem Schlüssel betätigbares polygonales Profil (55) besitzt.
2. Sicherungseinrichtung nach Anspruch 1, dadurch gekennzeichnet, daß zwischen dem Schließhebel (56) und der Oberseite der unteren Wandung (41) des Hohlraums (43) eine Scheibe (47) aus Kunststoff mit niedrigem Reibungskoeffizienten eingefügt ist.
3. Sicherungseinrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, daß die Rastscheibe (58) aus Kunststoff mit niedrigem Reibungskoeffizienten besteht.
4. Sicherungseinrichtung nach einem der Ansprüche 1 bis 3, dadurch gekennzeichnet, daß das Mitnehmerorgan (63) die Form einer Hülse hat, die den Kopf (51) des Riegelbolzens überdecken kann, daß das Mitnehmerorgan ferner einen in Längsrichtung verlaufenden inneren Nutkeil (66) für das Zusammenwirken mit einer äußeren Längsnut (53) des genannten Kopfes sowie zwei radiale Nocken (67) aufweist, die seitlich vorspringen und mit einer in der oberen Wandung (40) des Hohlraums angebrachten Aufnahms zusammenwirken können, die aus zwei durch diese wandung verlaufenden vertikalen Nuten (45) gebildet ist, von denen jede mit einer unter einer Arretierstufe (47) liegenden halbkreisförmigen Nut (46) in Verbindung steht.
5. Sicherungseinrichtung nach Anspruch 4, dadurch gekennzeichnet, daß jede der halbkreisförmigen Nuten (46) des Hohlraums (43) auf der der Verbindungszone mit der vertikalen Eingangsnut (45) entgegengesetzten Seite in einer weiteren vertikalen Nut (48) mündet, die nach oben geschlossen ist.
EP85420150A 1984-09-12 1985-08-09 Sicherungseinrichtung für Schachtabdeckung Expired EP0176451B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT85420150T ATE33159T1 (de) 1984-09-12 1985-08-09 Sicherungseinrichtung fuer schachtabdeckung.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8414229A FR2570106B2 (fr) 1984-09-12 1984-09-12 Dispositif de verrouillage pour tampon de regard de chaussee
FR8414229 1984-09-12

Publications (2)

Publication Number Publication Date
EP0176451A1 EP0176451A1 (de) 1986-04-02
EP0176451B1 true EP0176451B1 (de) 1988-03-23

Family

ID=9307783

Family Applications (1)

Application Number Title Priority Date Filing Date
EP85420150A Expired EP0176451B1 (de) 1984-09-12 1985-08-09 Sicherungseinrichtung für Schachtabdeckung

Country Status (9)

Country Link
US (1) US4627249A (de)
EP (1) EP0176451B1 (de)
AT (1) ATE33159T1 (de)
CA (1) CA1265693A (de)
DE (1) DE3561960D1 (de)
ES (1) ES296208Y (de)
FR (1) FR2570106B2 (de)
MA (1) MA20506A1 (de)
OA (1) OA08163A (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5095593A (en) * 1989-07-31 1992-03-17 American Cord & Webbing Co. Locking device with two members for attaching objects
US4980955A (en) * 1989-07-31 1991-01-01 American Cord & Webbing Co., Inc. Locking device
DE9006130U1 (de) * 1990-05-30 1990-08-02 Kessel, Bernhard, 8071 Lenting Sicherungsvorrichtung für eine Abdeckung
US5413392A (en) * 1993-04-06 1995-05-09 Southco, Inc. Pawl assembly
US6067827A (en) * 1998-05-04 2000-05-30 Mcgard, Inc. Lock construction
US6018969A (en) * 1998-05-04 2000-02-01 Mcgard, Inc. Lock construction
FR2780996B1 (fr) * 1998-07-10 2000-08-11 Norinco Dispositif de verrouillage et deverrouillage avec cle d'un tampon sur un cadre
NO319002B1 (no) * 2001-01-23 2005-06-06 Fitjar Betongindustri As Fremgangsmate og anordning for sammenfoyning av tilstotende elementer, sa som platelegemer
KR20080006600A (ko) * 2005-04-11 2008-01-16 사우스코 인코포레이티드 폴 어셈블리
FR2887268B1 (fr) * 2005-06-15 2007-08-10 Norinco Sa Dispositif de controle de la position de verrouillage ou de deverrouillage d'un verrou permettant de bloquer a un cadre un couvercle d'obturation de ce cadre
US20070081856A1 (en) * 2005-10-12 2007-04-12 Degreef Richard Method and apparatus for locking a manhole cover
EP2021550A1 (de) * 2006-05-30 2009-02-11 Ismail Cemil Suatac Verstellbare gullydeckelanordnung
ES2630803T3 (es) * 2007-12-03 2017-08-24 Patheon Holdings I B.V. Método para producir perlas
TWM370214U (en) * 2009-07-27 2009-12-01 Quanta Comp Inc Push-push type latch mechanism and electronic device thereof
US9234369B2 (en) * 2012-03-21 2016-01-12 Carrier Corporation Furnace door latch assembly
DE102012110941A1 (de) * 2012-11-14 2014-05-15 ACO Severin Ahlmann GmbH & Co Kommanditgesellschaft Verschluss zum Verriegeln einer Abdeckung
CN203879127U (zh) * 2014-05-19 2014-10-15 南京东屋电气有限公司 用于锁具的安全锁死机构

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2376919A1 (fr) * 1977-01-05 1978-08-04 Dumortier Robert Dispositif de verrouillage pour tampon de regard de chaussee ou autre

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1163838A (en) * 1915-05-11 1915-12-14 Elwood F Maul Sash-fastener.
US1263104A (en) * 1915-07-12 1918-04-16 Edwin Sanford Phelps Tumbler-lock.
GB208864A (en) * 1922-11-08 1924-01-03 Charles Edward Percy Gabriel Improvements in or relating to fasteners for ventilators, doors, windows, or the like
US1604330A (en) * 1926-05-27 1926-10-26 James J Witkowski Fastening device
US1878436A (en) * 1932-01-29 1932-09-20 Burroughs Robert Irwin Lock cap for gasoline and other tanks
DE2656858A1 (de) * 1976-12-15 1978-06-22 Passavant Werke Vorreiberverschluss fuer schachtdeckel, roste o.dgl.
FR2429310A1 (fr) * 1978-06-21 1980-01-18 Telemecanique Electrique Dispositif de fermeture pour porte ou analogue

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2376919A1 (fr) * 1977-01-05 1978-08-04 Dumortier Robert Dispositif de verrouillage pour tampon de regard de chaussee ou autre

Also Published As

Publication number Publication date
CA1265693A (fr) 1990-02-13
EP0176451A1 (de) 1986-04-02
ES296208U (es) 1987-12-16
OA08163A (fr) 1987-03-31
US4627249A (en) 1986-12-09
DE3561960D1 (en) 1988-04-28
FR2570106B2 (fr) 1986-12-19
FR2570106A2 (fr) 1986-03-14
MA20506A1 (fr) 1986-04-01
ATE33159T1 (de) 1988-04-15
ES296208Y (es) 1988-05-16

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