EP0190115A2 - Zusammenlegbare Leiter - Google Patents

Zusammenlegbare Leiter Download PDF

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Publication number
EP0190115A2
EP0190115A2 EP8686870004A EP86870004A EP0190115A2 EP 0190115 A2 EP0190115 A2 EP 0190115A2 EP 8686870004 A EP8686870004 A EP 8686870004A EP 86870004 A EP86870004 A EP 86870004A EP 0190115 A2 EP0190115 A2 EP 0190115A2
Authority
EP
European Patent Office
Prior art keywords
upright
fixed
ladder
axis
folding
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
EP8686870004A
Other languages
English (en)
French (fr)
Other versions
EP0190115B1 (de
EP0190115A3 (de
Inventor
Gilbert Loix
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.)
JOMY S.A.
Original Assignee
JOMY 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
Priority claimed from BE0/215993A external-priority patent/BE903832R/fr
Application filed by JOMY SA filed Critical JOMY SA
Publication of EP0190115A2 publication Critical patent/EP0190115A2/de
Publication of EP0190115A3 publication Critical patent/EP0190115A3/de
Application granted granted Critical
Publication of EP0190115B1 publication Critical patent/EP0190115B1/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
    • 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 improvements relating to a folding ladder comprising two uprights profiled in angles arranged opposite one another, the faces of which are perpendicular to the plane of the scale and comprise two longitudinal ribs provided with facing perforations, which receive pivots for the articulation of the rungs so that they can be folded up by bringing the uprights together.
  • the present invention remedies the drawbacks and resolves the abovementioned essential points by providing for the possibility of expansion of the components of the ladder, due to temperature variations, without creating areas subjected to tensions which can cause the deformation of the ladder in certain places. .
  • the invention also provides for the possibility of carrying out the opening of the ladder by an electrical system controlled by push buttons placed at the locations of the different outlets towards the ladder, and in addition combining the electrical opening system with the system of manual opening. In the event of failure of one of the triggers, the opening of the ladder can be operated, either using another trigger, or then electrically, using the electrical device provided for this purpose.
  • Another characteristic of the invention is the fact that, when a handle is actuated, the latter rotates the respective pinion, which causes the corresponding rack to move, which is integral with the dish serving as a rod, a dish on which there is fixed to each stage another rack, each rack placed on this flat or rod, acts on its respective pinion without pivoting its axis and corresponding handle, so that acting on the arm of the trigger is independent of the movement of the other trigger arms.
  • the improvement according to the present invention brought to the emergency ladders which can be folded up in one or more successive elements upwards, each element of which is made up of two uprights in angles arranged one opposite the other so as to be opposed by their inner faces, of steps articulated on said uprights; uprights whose interior faces perpendicular to the plane of the ladder carry respectively, two longitudinal ribs located towards the edge of the wing of the first upright and towards the angle of the second upright, these ribs each facing a rib of the other upright and provided, at regular intervals in the longitudinal direction, with facing perforations receiving pivots for the articulation of the rungs, characterized in that the upright in fixed angle, that is to say to be placed on the facade side, comprises on the one hand, on each side, externally and laterally, a wing parallel to the plane of the facade; wing, on which are folded on each side, parts carrying a notch coming to take on the end of these lateral wings.
  • each piece which is fixed by means of one or more bolts at a desired location of the length respectively of the longitudinal parallel buttonhole (s) of which are each provided with wings with a part anchored to the U-shaped facade; anchoring piece coming to grip and hold by its wings the fixed amount by means of the notched pieces and, on the other hand, in that said fixed amount has internally, between its wing perpendicular to the facade and the vein sine, a double groove in the shape of a hammer head intended to allow the edges of a dish of a length identical to that of an element of the scale to be slid into it.
  • This flat of each element is intended to be connected successively to each other so as to ensure continuity and connection over the entire height of the ladder, means for holding in the folded position and deployment, and by successive perforations, allow to pin a rack at the determined places to place a trigger, for example, every 30 cm. Places also determined on the lateral wing of the fixed upright, by successive perforations intended to receive a drilling template for the execution of the perforations for fixing the support of the trigger axis.
  • a reinforcing support is provided which will be able, by fitting into the central rib opposite the perpendicular lateral wing of the fixed upright and fixed by screw or bolt, serve as a pivoting bearing for the trigger axis, prevent deformation of the lateral wing of the fixed upright and, this fact, maintain a good meshing of the pinion and the rack.
  • a reinforcement support which fits into the lateral groove of the central rib, a reinforcement support which does not fit into this lateral groove of the central rib but which only fits into a groove similar to those existing in expansion parts carrying a notch, which is fixed on the anterior end of the lateral wings of the U-shaped part.
  • This reinforcement support has a hole which serves as a bearing for the axis of the rack pinion, and is held in place by two notches, one on each side of the part.
  • FIG. 1 there is shown by 1, the facade of a building, by 2 a U-shaped part anchored by means of an expandable bolt 3, part provided in the back with an adjustment buttonhole ( Figure 8) before final fixing to the wall and in each of these wings, two longitudinal buttonholes 4 through which pass the two bolts 5 now on either side the parts 6 in which is held and can slide, for reasons of expansion for example, vertically, the fixed upright angle 7 of the ladder comprising longitudinal ribs 8 in which are provided perforations 9 for the pivots of the rungs (not shown).
  • the buttonhole of the U-shaped piece 2 ( Figure 8) is eccentric with respect to the axis so as to allow maximum lateral displacement (x) in order to properly align all of the expansion pieces 6 vertically even if the anchor bolt at building must be moved laterally, for example due to the presence of a reinforcement bar.
  • FIG 1 there is also shown the upright angle 10 to deploy and which, closed, forms with the fixed amount, the box.
  • This upright 10 to be deployed also comprises longitudinal ribs 11 which face the ribs 8 of the fixed upright 7.
  • perforations 12 for the pivots of the rungs (not shown).
  • one of the ribs 11 of the upright 10 to be deployed has longitudinal wings 13 and 14 in which are provided perforations 15 for the pivots of the railing (not shown). Facing these wings 13 and 14, there is shown a profile 16 forming the opposite amount of the railing (not shown); profile 16 also comprising perforations 17 for the pivots of this railing (not shown).
  • FIG. 1a there is shown the rib 8 according to another preferred embodiment of the invention.
  • the rib 8 does not have the grooves 42 and 43.
  • the latter groove 43 has been replaced by a groove 8 'where the nose 44' of the support 41 'fits, which is held in place by a notch made on each side of this on the groove 8 'using a chisel; this support has a hole 9 'serving as support for the axis 29 which passes through the pinion 31 of the rack 32.
  • Adjacent to this support 41' there is a thick washer 41c acting as a spacer. This spacer 41c prevents warping of the support 41 '.
  • FIGS. 9 and 10 one can still see schematically the opening system and in particular an opening handle 18 which is found at different heights of the ladder, facing each exit location, a window, for example .
  • the perforations 48 already made every 30 cm are already provided for on the wing perpendicular to the front of the fixed upright 7. These perforations allow, using a drilling template 49 fixed by bolts to one of these perforations 48, to achieve, at this location, the placement of the support 30 of the axis 29 and thus of the other parts constituting the trigger.
  • the internal face of the fixed upright 7 comprises, between the wing perpendicular to the internal face of the fixed upright 7 and the adjacent rib 8, a double longitudinal groove 19 in which a flat 20 serving as a rod is slid, flat whose height is the same as the height of a section of the ladder.
  • Plate 20 which is connected for example, by means of a plate and two screws (not shown) to the plates 20 of the upper and lower section, if there are any. It is on this plate 20 (FIG. 1) that a hooking piece 21 is fixed (FIGS.
  • attachment piece 21 consisting of a U-shaped profile 22 back facing towards the flat 20, between which is placed a pin 23 carrying a jumper 24 turned downward and forced by a spring 25 in this position.
  • This part 26 is generally fixed in the central rib 13 of the upright to be deployed 10, the rear part 28 of this part is vertically re-entrant so that the nose 27 is more or less in the longitudinal central axis of the plate 20. It is conceivable so easily, when the ladder is closed, that to allow its deployment, it suffices that the nose 27 is no longer held by the rider 24 and that it is necessary to reassemble the latter and therefore the dish 20; which is achieved by lowering the trigger arm 18.
  • this arm or handle 18 ( Figures 1b, 3, 7, 10) is mounted at one end of an axis 29 placed in a support 30 fixed on the lateral wing of the upright 7 axis 29, passing through this upright and supported at the other end by a reinforcement support 41 located and fixed laterally by the grooves 42 and 43 of the rib 8 and localized and fixed longitudinally by a bolt .
  • the control pusher 50 which acts on the lug 51 of the pinion 31 and makes it turn which forces the rack 32 embedded in the plate 20 by means of two pins 32a upwards and therefore the jumper 24 of the attachment piece 21.
  • a longitudinal folding arm 33 or ejector which has also been placed on the axis beyond the pinion 31 and controlled by the lug 51 comes, when its angular end 34 moves away from the flat 20, push against the central rib 13 of the movable upright 10.
  • the rack 32 is, on the one hand, easily mounted on the dish 20 without removing the dish 20 from the fixed upright 7 and, on the other hand, easily located in the right place on the dish 20 so that the pinion 31 of the trigger is meshed correctly for the opening operation of the ladder, there is provided on the plate 20, double perforations at all places along its length where it is possible to place a trigger. To do this, this rack 32 is pinned on the flat 20 by the pins 32a before mounting the other parts of the trigger. In addition, this rack 32 can no longer be removed from the plate 20 when the other parts of the trigger are in place.
  • the notches 35 of the parts 6 comprise, on a lateral side, a rounded groove 38 in which the rounded nose 40 will take hold. of shape corresponding to the small lateral wings 36 of the fixed uprights 7.
  • the rest of the lateral side will have the shape of a rounded nose 40. It will be the same for the side corresponding side wings 36 which will have a shape matching the rounded throat.
  • this rib 8 has two lateral elements, the one, 42, a straight groove, perpendicular and towards the end of the rib 8, the other, a double return, one parallel, the other perpendicular to the rib 8 with broken edge and notch 43 in which one can come to wedge the reinforcement support 41 after having presented it at an angle and then fold it against the rib 8 and in addition, fix it longitudinally on the rib 8 by a bolt (not shown).
  • This reinforcing support 41 is more or less in the form of a fork which comprises, on the one hand, at one end a flat nose 44 and a rounded nose 45 on the other face, so as to be able to be placed bias and then be straightened in the groove 43 of the rib 8 and on the other hand, in its back, a protrusion 46 on the right side coming to be placed in the groove 42.
  • this reinforcement support 40 extending beyond of the rib 8, will allow to be facing the axis 29 of the trigger 18 so as to serve as a bearing: an opening 47 being provided for this purpose.
  • this reinforcement support 41 will serve as a spacer between the ejector 33 and the rib 8. In this way, the reinforcement support 41 maintains the axis 29 of the trigger correctly meshed with the rack 32 brocaded on the flat 20 and guarantees correct operation of the various parts opening the ladder.
  • parts 6 are provided at the height of each piece 2 anchored in the wall 1 and that, on the other hand, the reinforcement support is, for its part, provided at the height of each trigger 18.
  • the parts 6 are therefore ends of solid sections, each provided with a vertical groove 35 in which the small lateral wings 36 can slide parallel to the plane of the facade of the fixed upright 7.
  • These parts also comprise two threaded perforations 51 (not shown) placed one below the other for the passage of the bolts 5.
  • the reinforcement support 41 is replaced by the support 41 ', and the groove 42 is removed, while the groove 43 has been replaced by a groove 8' or fits the nose 44 'of the support 41'.
  • the support 41 ' is placed horizontally in the groove 8' and then is pivoted upwards, then being held in place using two notches made, on each side on the groove 8 'with a chisel.
  • the hole 9 'of the support 41' serves as a bearing for the axis 29 of the trigger.
  • an electrical opening system of the ladder in addition to the manual opening system, can be designed, by means of contactors which control a direct current reduction motor. powered by a permanently recharging battery.
  • a groove 52 located in the upright 7 has been provided in order to be able to insert an electric cable there.
  • V-grooves 53 are provided on the amount 7.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ladders (AREA)
EP19860870004 1985-01-18 1986-01-14 Zusammenlegbare Leiter Expired - Lifetime EP0190115B1 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
BE901523 1985-01-18
BE901523 1985-01-18
BE0/215993A BE903832R (fr) 1985-01-18 1985-12-11 Perfectionnements a une echelle repliable.
BE215993 1985-12-11

Publications (3)

Publication Number Publication Date
EP0190115A2 true EP0190115A2 (de) 1986-08-06
EP0190115A3 EP0190115A3 (de) 1987-05-06
EP0190115B1 EP0190115B1 (de) 1990-05-23

Family

ID=25654797

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19860870004 Expired - Lifetime EP0190115B1 (de) 1985-01-18 1986-01-14 Zusammenlegbare Leiter

Country Status (5)

Country Link
EP (1) EP0190115B1 (de)
CN (1) CN1005280B (de)
DE (1) DE3671496D1 (de)
ES (1) ES8700378A1 (de)
PT (1) PT81865B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110015238A (zh) * 2019-04-03 2019-07-16 湖南车霸房车实业有限公司 一种用于房车升降式爬梯结构

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1318682C (zh) * 2005-11-01 2007-05-30 新潮集团股份有限公司 一种纳米抗静电阻燃整理剂及其制备方法和应用

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE42014C (de) * W. CLUSE in Tottenham, Court Road, Middlesex, England Zusammenlegbare Rettungsleiter
GB288837A (en) * 1927-05-10 1928-04-19 Horace Thomas Saunders Improvements in and relating to fire-escape ladders
DE1814894A1 (de) * 1967-12-27 1969-08-21 Loix Gilbert Lambert Einklappbare Rettungsleiter

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE829392A (fr) * 1975-05-23 1975-09-15 Perfectionnements a une echelle repliable

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE42014C (de) * W. CLUSE in Tottenham, Court Road, Middlesex, England Zusammenlegbare Rettungsleiter
GB288837A (en) * 1927-05-10 1928-04-19 Horace Thomas Saunders Improvements in and relating to fire-escape ladders
DE1814894A1 (de) * 1967-12-27 1969-08-21 Loix Gilbert Lambert Einklappbare Rettungsleiter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110015238A (zh) * 2019-04-03 2019-07-16 湖南车霸房车实业有限公司 一种用于房车升降式爬梯结构
CN110015238B (zh) * 2019-04-03 2024-04-19 中工车辆湖北省有限公司 一种用于房车升降式爬梯结构

Also Published As

Publication number Publication date
EP0190115B1 (de) 1990-05-23
ES550544A0 (es) 1986-10-16
CN1005280B (zh) 1989-09-27
EP0190115A3 (de) 1987-05-06
PT81865A (fr) 1986-02-01
ES8700378A1 (es) 1986-10-16
CN86100405A (zh) 1986-07-16
PT81865B (pt) 1992-05-29
DE3671496D1 (de) 1990-06-28

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