EP0314565A1 - Vorrichtung zum Verschliessen des oberen Zugangs eines senkrechten rohrförmigen Schachtes - Google Patents

Vorrichtung zum Verschliessen des oberen Zugangs eines senkrechten rohrförmigen Schachtes Download PDF

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Publication number
EP0314565A1
EP0314565A1 EP88402688A EP88402688A EP0314565A1 EP 0314565 A1 EP0314565 A1 EP 0314565A1 EP 88402688 A EP88402688 A EP 88402688A EP 88402688 A EP88402688 A EP 88402688A EP 0314565 A1 EP0314565 A1 EP 0314565A1
Authority
EP
European Patent Office
Prior art keywords
cover
lever
axis
panel
vertical
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
EP88402688A
Other languages
English (en)
French (fr)
Other versions
EP0314565B1 (de
Inventor
Charles Coutier
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.)
Coutier Industrie SARL
Original Assignee
Coutier Industrie SARL
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 Coutier Industrie SARL filed Critical Coutier Industrie SARL
Priority to AT88402688T priority Critical patent/ATE66280T1/de
Publication of EP0314565A1 publication Critical patent/EP0314565A1/de
Application granted granted Critical
Publication of EP0314565B1 publication Critical patent/EP0314565B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/006—Devices for preventing access
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C7/00—Component parts, supporting parts, or accessories
    • E06C7/18—Devices for preventing persons from falling
    • E06C7/185—Devices providing a back support to a person on the ladder, e.g. cages
    • E—FIXED CONSTRUCTIONS
    • E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
    • E06C—LADDERS
    • E06C9/00—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes
    • E06C9/02—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes rigidly mounted

Definitions

  • Devices for ensuring this function, which include a tilting cover, of the hatch type, around a horizontal axis.
  • Their main drawback is that, under its own weight, the tilting flap can pivot on its own from its closed position to its open position if it opens downwards, or from its open position to its position closing if it opens upwards.
  • a false operation when it is opened or a bad locking of its opening position can cause accidents, the released panel striking the person (head or hands) being in the volume it is sweeping.
  • the present invention provides a device for closing a tubular conduit, the design of which allows to obtain an access condemnation which does not have the drawbacks of a tilting cover and also makes it possible to constitute rest stages eliminating the need to build the ladders by offset parts.
  • the invention therefore relates to a device for closing a tubular conduit provided with ladder bars, the main element of which is a cover or flap which is retractable by pivoting about a vertical axis of articulation, fixed and provided on the side of the ladder bars.
  • the cover with a surface substantially equal to the cross section of the duct is pivoted about the vertical axis, by means of a lockable joint, the release of which can only be effected by means of a suitable member when one is above the cover, while it is manual without accessories when the user is under the operculum.
  • the actuation and locking means of this articulation comprise an operating lever mounted to pivot around a second fixed vertical axis and coupled in rotation to the cover.
  • the lever is integral in rotation with a toothed wheel meshing with a toothed wheel wedged on the cover.
  • the cover is articulated around its vertical pivot axis by means of a hinge fitting of which it is integral, which has a radial oblong opening in which is housed a drive finger belonging to the operating lever articulated around the second vertical axis which is located perpendicular to the longitudinal direction of the light and passing through the aforementioned finger when the latter is placed at the outermost end of this light, the cover being in the closed position of the access.
  • the abovementioned lever is constituted by a fitting d articulation of a door or a vertical panel articulated around the second fixed axis.
  • the movement plane of the cover is intersecting with the door panel, the part of this panel situated under the movement plane comprising, on its face turned towards the inside of the tubular conduit, an unlocking handle d 'A lock carried by the panel, and accessible by means of a key by the face of the panel facing outwards from the tubular conduit.
  • the board 1 has a terrace 1, which share a wide crinoline 2 3.
  • 4 railing borders the terrace and defines a passage 5 for access to the ladder from the terrace.
  • the upper part 3 has a crinoline in the form of a railing and for this rises above the level of the terrace, for example up to the level of the railing 4.
  • Access 5 is blocked by a door 6 articulated around a vertical axis materialized by the two fixed pivots 7 a and 7 b .
  • the lower pivot 7 a is carried by a fixed part 8, secured to a conventional amount 4a of the railing 4 making the connection with the upper part of the safety cage.
  • the other pivot 7b is also carried by a fixed part 9 which forms a support for the articulation mechanism of a cover 10 which, shown in the open position, blocks, with the door, the access to the tubular conduit which forms crinoline 3, by placing itself above it.
  • the surface of the cover 10 is substantially equal to the section of the crinoline.
  • the articulation mechanism of the cover 10 has a fitting 11 fixed to the cover 10 and articulated around a pivot 12 which is also carried by the fixed part 9.
  • This fitting 11 has a radial opening 13 in which is housed a finger 14 a secured to a lever 14 which is on the one hand, articulated on the pivot 7 b and on the other hand, fixed to the door panel 6.
  • the operation of this articulation mechanism will be described in detail opposite in Figure 2.
  • the deflection plane of the cover 10 is located in the vicinity of the middle part of the door panel 6.
  • the panel 6 has a handle 15 which, like the bars opening of emergency exits, acts on a ser panel 6 locking groove at an upright 4 b of the railing 4.
  • This lock is not shown, the dashed lines 15 a indicating the functional connection of the handle 15 with the latter.
  • This lock will have its access end on the face of the panel 6 facing the terrace 1. Provision will be made to wire the crinoline 3 to prevent access to the handle 15 from the terrace 1.
  • the fitting 11, U-shaped therefore has an oblong opening 13, which is substantially radial with respect to the pivot 12, in which is housed a drive finger 14 a of the lever 14, which is articulated on the part 9 around the pivot 7 b . It is understood that by operating the lever 14 in pivoting around the axis 7b , one causes a corresponding pivoting of the fitting 11 around the axis 12. This pivoting drive is reversible except for one or two positions and subject that certain conditions are met.
  • This return device can be coupled between a fixed element and the cover or between the lever 14 and the cover or between the lever 14 and a fixed element in known manner. It may be a spring hinge disposed at one or more of the pivots 7b , 12. It is sufficient to prevent access to the lever 14 from above, by placing the lever under the cover 10 or under a wall. of protection carried by this cover, this in the case where the lever 14 is not secured to a door, but constitutes a simple handle for opening the cover when mounted.
  • the light 13 does not have to be strictly radial with respect to the axis 12. It must satisfy the condition set out above. Its location in the fitting 11 as well as the lengths of the lever arms brought into play in the mechanism, will depend on the efforts to be developed to unlock the cover.
  • the lever 14 has an extension 14 b beyond the axis 7 b relative to the finger 14a, which may be operating handle and can also cooperate with a cam surface 16 articulated at 17 on the cover 10 (or any support attached to it).
  • the maneuver in rotation about the axis 17 of the cam 16 can be ensured by any suitable member and in particular a key, from above the cover 10. It can be seen that, turned clockwise, the cam 16 rotates the lever 14 and breaks the bracing between light 13 and finger 14 a . From this moment, it becomes possible to directly maneuver the cover by pivoting around the axis 12, by means of a handle that it would have for this purpose.
  • FIG. 4 which is a diagram in top view of a second embodiment of the invention applied to the locking of the upper access, from a terrace 1 of a crinoline ladder 2.3, 1 the cover 10 is secured at the axis 12 of a toothed wheel 18 which meshes with a toothed wheel 19 secured to the lever 14, to which the door panel 6 is fixed and which is articulated around the axis 7b .
  • the bar 15 is used to control the unlocking of the door 6 at the level of the lock 20.
  • the device according to the invention is reduced to a flap 21 which constitutes a retractable rest bearing, articulated at 22 in the vicinity of a lateral upright of the ladder 2 and locked on the other upright by means a finger 23.
  • This finger can be retracted downwards by acting on a pedal 24 if the user wants to descend, or by acting on a pull handle not shown, located under the flap 21 for the user wanting to climb.
  • the articulation 22 may include a device which recalls the panel 21 either towards the outside of the crinoline 3 or towards the inside according to what the manufacturer wishes.
  • the invention finds an interesting application in safety scales.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
  • Types And Forms Of Lifts (AREA)
  • Replacement Of Web Rolls (AREA)
  • Emergency Lowering Means (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Buffer Packaging (AREA)
  • Processing Of Meat And Fish (AREA)
  • Securing Of Glass Panes Or The Like (AREA)
EP88402688A 1987-10-30 1988-10-25 Vorrichtung zum Verschliessen des oberen Zugangs eines senkrechten rohrförmigen Schachtes Expired - Lifetime EP0314565B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT88402688T ATE66280T1 (de) 1987-10-30 1988-10-25 Vorrichtung zum verschliessen des oberen zugangs eines senkrechten rohrfoermigen schachtes.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8715115A FR2622631B1 (de) 1987-10-30 1987-10-30
FR8715115 1987-10-30

Publications (2)

Publication Number Publication Date
EP0314565A1 true EP0314565A1 (de) 1989-05-03
EP0314565B1 EP0314565B1 (de) 1991-08-14

Family

ID=9356372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP88402688A Expired - Lifetime EP0314565B1 (de) 1987-10-30 1988-10-25 Vorrichtung zum Verschliessen des oberen Zugangs eines senkrechten rohrförmigen Schachtes

Country Status (7)

Country Link
US (1) US4881619A (de)
EP (1) EP0314565B1 (de)
JP (1) JPH01153167A (de)
AT (1) ATE66280T1 (de)
AU (1) AU2436088A (de)
DE (1) DE3864235D1 (de)
FR (1) FR2622631B1 (de)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990002863A1 (fr) * 1988-09-09 1990-03-22 Coutier Industrie Panneau d'obturation pivotant equipe d'un dispositif de verrouillage
DE9001869U1 (de) * 1990-02-16 1990-04-19 Soell Industrieschmiede Gmbh, 8670 Hof, De
FR2647830A1 (fr) * 1989-06-05 1990-12-07 Coutier Ind Dispositif de sectionnement d'un passage vertical equipe d'une echelle
EP0402214A1 (de) * 1989-06-05 1990-12-12 Etablissements Charles Coutier Steigschutzvorrichtung zu einer Leiter von einem darüberliegenden Fussboden
WO1995001495A1 (de) * 1993-07-02 1995-01-12 Söll Gmbh Ruhepodest
CN114033297A (zh) * 2021-03-09 2022-02-11 杭州金砖信息技术有限公司 一种管塔上的链式抱箍型天线快装结构

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5255758A (en) * 1991-02-25 1993-10-26 Cherokee Construction Co. Protective ladder assembly for scaffolding structure
US20070151801A1 (en) * 2005-12-30 2007-07-05 Starcon International, Inc. Collapsible ladder cage
US8584409B1 (en) 2012-10-01 2013-11-19 Victor Hibbard Stairway barricade assemblies and methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE55011C (de) * R. GOTTSCHALK in Chemnitz i. S Rettungsleiter zur Benutzung bei Feuersgefahr
US956183A (en) * 1909-01-12 1910-04-26 Franz Scherrer Fire-escape.
US2535544A (en) * 1948-01-09 1950-12-26 William D Mckinley Safety ladder
US3038555A (en) * 1960-02-18 1962-06-12 William A Da Lee Inc Retractable safety landing for an access tube
EP0151076A2 (de) * 1984-01-27 1985-08-07 Etablissements Charles Coutier Vorrichtung zur Verhinderung des Zutritts zu den Reifenleitern

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US257867A (en) * 1882-05-16 hendeioks
US4524848A (en) * 1984-07-16 1985-06-25 Russo John B Device for deterring unauthorized climbing of permanent ladders

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE55011C (de) * R. GOTTSCHALK in Chemnitz i. S Rettungsleiter zur Benutzung bei Feuersgefahr
US956183A (en) * 1909-01-12 1910-04-26 Franz Scherrer Fire-escape.
US2535544A (en) * 1948-01-09 1950-12-26 William D Mckinley Safety ladder
US3038555A (en) * 1960-02-18 1962-06-12 William A Da Lee Inc Retractable safety landing for an access tube
EP0151076A2 (de) * 1984-01-27 1985-08-07 Etablissements Charles Coutier Vorrichtung zur Verhinderung des Zutritts zu den Reifenleitern

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990002863A1 (fr) * 1988-09-09 1990-03-22 Coutier Industrie Panneau d'obturation pivotant equipe d'un dispositif de verrouillage
FR2647830A1 (fr) * 1989-06-05 1990-12-07 Coutier Ind Dispositif de sectionnement d'un passage vertical equipe d'une echelle
EP0402214A1 (de) * 1989-06-05 1990-12-12 Etablissements Charles Coutier Steigschutzvorrichtung zu einer Leiter von einem darüberliegenden Fussboden
WO1990015219A1 (fr) * 1989-06-05 1990-12-13 Coutier Industrie Dispositif de protection de l'acces a une echelle a partir d'un plancher superieur
DE9001869U1 (de) * 1990-02-16 1990-04-19 Soell Industrieschmiede Gmbh, 8670 Hof, De
WO1995001495A1 (de) * 1993-07-02 1995-01-12 Söll Gmbh Ruhepodest
CN114033297A (zh) * 2021-03-09 2022-02-11 杭州金砖信息技术有限公司 一种管塔上的链式抱箍型天线快装结构

Also Published As

Publication number Publication date
FR2622631A1 (de) 1989-05-05
DE3864235D1 (de) 1991-09-19
ATE66280T1 (de) 1991-08-15
JPH01153167A (ja) 1989-06-15
AU2436088A (en) 1989-05-04
EP0314565B1 (de) 1991-08-14
US4881619A (en) 1989-11-21
FR2622631B1 (de) 1990-11-30

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