EP0230502A2 - Echelle d'incendie pliable et anti-vol avec des stations séparées de déclenchement et des ceintures de sécurité avec bras de blocage - Google Patents

Echelle d'incendie pliable et anti-vol avec des stations séparées de déclenchement et des ceintures de sécurité avec bras de blocage Download PDF

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Publication number
EP0230502A2
EP0230502A2 EP86103308A EP86103308A EP0230502A2 EP 0230502 A2 EP0230502 A2 EP 0230502A2 EP 86103308 A EP86103308 A EP 86103308A EP 86103308 A EP86103308 A EP 86103308A EP 0230502 A2 EP0230502 A2 EP 0230502A2
Authority
EP
European Patent Office
Prior art keywords
outer rail
ladder
escape
blocking arm
rail
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
EP86103308A
Other languages
German (de)
English (en)
Other versions
EP0230502B1 (fr
EP0230502A3 (en
Inventor
Arild Nilsen
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.)
Modum International Te Kopenhagen Denemarken AS
Original Assignee
MODUM International AS
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
Priority claimed from NO860294A external-priority patent/NO157629C/no
Application filed by MODUM International AS filed Critical MODUM International AS
Priority to AT86103308T priority Critical patent/ATE54994T1/de
Priority to DE8686103308T priority patent/DE3672993D1/de
Publication of EP0230502A2 publication Critical patent/EP0230502A2/fr
Publication of EP0230502A3 publication Critical patent/EP0230502A3/de
Application granted granted Critical
Publication of EP0230502B1 publication Critical patent/EP0230502B1/fr
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
    • E06C1/00—Ladders in general
    • E06C1/02—Ladders in general with rigid longitudinal member or members
    • E06C1/38—Special constructions of ladders, e.g. ladders with more or less than two longitudinal members, ladders with movable rungs or other treads, longitudinally-foldable ladders
    • E06C1/383—Foldable ladders in which the longitudinal members are brought together on folding
    • 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
    • E06C7/186—Rail or rope for guiding a safety attachment, e.g. a fall arrest system
    • E06C7/187—Guiding rail
    • 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
    • E06C9/06—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted
    • E06C9/08—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members
    • E06C9/085—Ladders characterised by being permanently attached to fixed structures, e.g. fire escapes movably mounted with rigid longitudinal members ladders unfolded in the direction of the longitudinal members

Definitions

  • the invention relates to a collapsible fire escape made of metal, which is folded in the normal state and is therefore theft-proof. In the event of a fire, this fire escape can be unfolded by a simple manual process on the part of each escape station to form a fire escape that extends straight down to the ground and is equipped with guides for locking arms with seat belts.
  • the seat belt is attached to one of the conductor side rails using its locking arm.
  • These locking arms are designed so that they slide down the side rail in the unloaded state, block when loaded by the weight of a person on the side rail, and thus ensure that the person does not fall off the ladder.
  • US-A-3 414 081 describes a collapsible ladder with a trigger assembly on top of the ladder.
  • a line is attached to this release arrangement. If the ladder is to be used by the residents of a house with several floors, it must be possible for all residents of all floors to reach this line. As a result, this ladder is not theft-proof. If the line is removed for any reason, the ladder cannot serve as an escape route for multi-story houses if the resident of the top floor is not at home or is unable to fire the ladder in the event of a fire. In addition, this ladder has no device to protect the user from the risk of falling.
  • US-A-4 243 119 discloses a collapsible ladder but is in no way theft-proof. This ladder is held in position with the help of a hinged hinge. If such a ladder is used by several people at the same time, the hinge located on the top is subjected to a heavy load. The risk of material failure or breakage with respect to the hinge is therefore present, and if this should occur, everyone would address it Head clinging people are in a cases. This ladder also has no safety arrangements to protect the user from falling down.
  • the ladder steps are fastened to the side rails by means of a bolt which provides an articulated connection.
  • These side rails consist of two U-shaped profiles, the flanges of which face each other. Each of these profiles has two flanges that protrude from the bottom of the U-shaped profile on both sides.
  • the side rail closest to the wall also has two additional flanges which protrude from the top of the U-shaped profile on both sides and which close when the conductor is folded over the outer rail.
  • the ladder is attached to the wall by means of fastening clips which are adapted to the inner rail.
  • the inner rail is fixed to the fastening clamps using push-through bolts. These push-through bolts also hold the ladder rungs in position. This type of attachment also stabilizes the ladder against lateral movement when it is used.
  • the rungs consist of a square tube that fits into the two profiles that form the side rails. If the rungs are opened at 90 ° relative to the side rails, the ladder or rungs will be against the walls locked in the side rail profiles. The walls of the rungs are thicker around the bolt holes.
  • the closure cap When the ladder is folded, the outer rail is held in position by a box-shaped element, the bottom of which is pointing upwards (hereinafter referred to as the closure cap). For this purpose, this box-shaped element is put over the two side rails.
  • the closure cap To prevent the closure cap from being tipped down with any object from below, it is secured with a locking plug with a spherical handle, which is inserted through a hole in the cap and the outer rail.
  • a locking plug with a spherical handle
  • the ladder is assembled as follows:
  • Corresponding pieces are selected from a standard range of different conductor lengths to give the required total length.
  • the conductor lengths are connected to one another at the construction site by means of connecting clips, which are not described in detail, in order to form a continuous conductor).
  • the outer rail is at each escape station cut and then inserted a release pin above the cut in the outer rail and held in place by rivets. A hole is drilled in the outer rail below the cut, which is aligned with the hole in the release pin.
  • a locking plug is inserted through the hole in the outer rail and in the release pin, whereby the rail is reconnected.
  • the release pin also has a collar that replaces the material that was removed from the saw during the cutting process.
  • the seat belt is adjustable and is tied around the waist.
  • An adjustable buckle is attached to the belt, which in turn is fixed to a locking or blocking arm.
  • the blocking arm is designed so that it fits the outer rail with a sufficient tolerance so that the blocking arm can easily slide down the rail. If the blocking arm exposed to the weight of a person, this is clamped due to the torque acting on the side rail.
  • the seat belt is first tied around the waist.
  • the blocking arm is then inserted into the groove provided in the outer rail. This process is carried out before the refugee climbs out onto the ladder.
  • the blocking arm is inserted from the top of the side rail.
  • the blocking arm is inserted through a punched-out slot (insertion slot) in the flange of the outer rail. This slot corresponds to the size of the blocking arm for this escape station.
  • the blocking arms have different widths. The blocking arm provided for the top floor is the widest, whereas the subsequent blocking arms, which are provided at each escape station, continue to narrow. Color coding, numbers or the like ensures that the appropriate seat belts are always available on a particular floor.
  • the sketch marked with the reference symbol M shows the release pin 0, which is attached to the outer rail A.
  • the detailed drawing shown in the circle illustrates make this clearer. From this drawing it can be seen that the end of the release pin 0 is tapered in order to facilitate the insertion of the outer rail A underneath. The same detailed drawing shows that the release pin 0 has a collar R which replaces the material which was lost when the outer rail A was sawn through.
  • the fire escape consists of U-shaped metal profiles as side rails, the ends of the rungs W being accommodated in the interior of the U-shaped profiles and fastened to the flanges of the U-shaped profiles by means of bolts.
  • the outer rail A as one of the side rails, is articulated to the inner rail S by means of the rungs, the profiles for the inner rails S on their outer sides near the bottom of the U-shaped profile having flanges which fit into the wall fastening clamps P, while on the outside of the two exposed leg ends of the U-profile smaller flanges T are provided, which close when the conductor is folded over the outer rail A.
  • the profile for the outer rail A has smaller flanges H on the bottom which fit into the inside of a blocking arm B.
  • the outer rail A is adapted to the required number of escape stations by sawing it through at the required locations.
  • a release pin 0 is in the Arranged inside the outer rail A above the cut and fastened to the outer rails A with the aid of rivets.
  • a suitably sized collar R provided on the release pin O replaces the material removed by the saw.
  • Each escape station has a locking plug K which fits into a hole in the outer rail, this hole being aligned with a corresponding hole in the release pin O.
  • the outer rail A is clamped to the inner rail S by means of a sealing cap J and a locking plug K at the upper end of the ladder.
  • fastening clips P When used, the ladder is stabilized against lateral movement by fastening clips P.
  • These mounting clamps P are designed so that they fit together with the inner rail S.
  • the fastening clamps P are fastened to the inner rail S by means of the same bolt fastening as that of the rungs W.
  • the rungs W have parallel oblique cuts at an angle of 45 ° to the center line of the bolt holes X. In this way, the ladder is blocked against further opening movement if the rungs have opened 90 ° with respect to the rails A and S.
  • the insertion slots G provided for these blocking arms B in the flanges of the outer rail A have a different width at each escape station.
  • the slot at the top is widest, with the width being continuously reduced at each successive escape station, whereby a certain width of the insertion slot G corresponds to a certain escape station, and whereby each blocking arm B via the slots of the one below Escape stations can slide without "derailment".
  • the blocking arm B has guide grooves E, into which the flanges H of the outer rail A fit, and forms an extension on which a fastening point or a fastening hole C for the adjustable buckle F of the seat belt E is formed.
  • a clamping or blocking effect in the direction of the load is achieved.
  • the blocking arm B is equipped with a control lever V if a physically disabled or unconscious person is to be let down in the seat belt E.
  • the equipment according to the invention namely a collapsible fire escape and a blocking arm with safety belt and control lever, enables the rescue of a physically handicapped person by an auxiliary person actuating the control lever, which, similar to the action of a jack, clamps and releases the blocking arm B. In this way, the person in the seat belt E can be lowered along the outer rail A at a controlled speed.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
EP19860103308 1986-01-28 1986-03-12 Echelle d'incendie pliable et anti-vol avec des stations séparées de déclenchement et des ceintures de sécurité avec bras de blocage Expired - Lifetime EP0230502B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
AT86103308T ATE54994T1 (de) 1986-03-12 1986-03-12 Zusammenklappbare, diebstahlsichere feuerleiter mit separaten ausloesestationen und sicherheitsgurten mit verriegelungsarmen.
DE8686103308T DE3672993D1 (de) 1986-03-12 1986-03-12 Zusammenklappbare, diebstahlsichere feuerleiter mit separaten ausloesestationen und sicherheitsgurten mit verriegelungsarmen.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO860294A NO157629C (no) 1985-07-12 1986-01-28 Utfellbar brannredningsstige.

Publications (3)

Publication Number Publication Date
EP0230502A2 true EP0230502A2 (fr) 1987-08-05
EP0230502A3 EP0230502A3 (en) 1988-01-13
EP0230502B1 EP0230502B1 (fr) 1990-07-25

Family

ID=19888710

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860103308 Expired - Lifetime EP0230502B1 (fr) 1986-01-28 1986-03-12 Echelle d'incendie pliable et anti-vol avec des stations séparées de déclenchement et des ceintures de sécurité avec bras de blocage

Country Status (2)

Country Link
EP (1) EP0230502B1 (fr)
JP (1) JPS62178687A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990005234A1 (fr) * 1988-10-31 1990-05-17 Scandsam Ab Echelle pliable d'evacuation en cas d'incendie
EP2305945A1 (fr) * 2009-09-28 2011-04-06 Fire Escapes (Europe) Limited Échelles pliantes

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19536609A1 (de) * 1995-09-30 1997-04-03 Giovanni Errini Feuerleiter für Gebäude
JP2007046366A (ja) * 2005-08-11 2007-02-22 Naka Ind Ltd 折畳梯子装置

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3410364A (en) * 1967-04-17 1968-11-12 Cecil D. Fountain Climbing safety device
BE829392A (fr) * 1975-05-23 1975-09-15 Perfectionnements a une echelle repliable
GB1503161A (en) * 1975-12-31 1978-03-08 Barrow Hepburn Equip Ltd Safety rail
US4037686A (en) * 1976-02-06 1977-07-26 Shull Harold H Escape ladder
US4130177A (en) * 1977-07-15 1978-12-19 Pandolph James E Ladder climber's safety device
US4245717A (en) * 1979-08-23 1981-01-20 Soucy Donald P Fire escape ladder
GB2099059A (en) * 1981-05-19 1982-12-01 Cb Marketing Projects Ltd Improvements in or relating to ladders

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990005234A1 (fr) * 1988-10-31 1990-05-17 Scandsam Ab Echelle pliable d'evacuation en cas d'incendie
EP2305945A1 (fr) * 2009-09-28 2011-04-06 Fire Escapes (Europe) Limited Échelles pliantes

Also Published As

Publication number Publication date
EP0230502B1 (fr) 1990-07-25
EP0230502A3 (en) 1988-01-13
JPS62178687A (ja) 1987-08-05

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