EP0543711B1 - Brückenteil, insbesondere zur Überwindung von Gräben durch Fahrzeuge - Google Patents

Brückenteil, insbesondere zur Überwindung von Gräben durch Fahrzeuge Download PDF

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Publication number
EP0543711B1
EP0543711B1 EP92403071A EP92403071A EP0543711B1 EP 0543711 B1 EP0543711 B1 EP 0543711B1 EP 92403071 A EP92403071 A EP 92403071A EP 92403071 A EP92403071 A EP 92403071A EP 0543711 B1 EP0543711 B1 EP 0543711B1
Authority
EP
European Patent Office
Prior art keywords
span
central box
bridge span
locking
jaw
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 - Lifetime
Application number
EP92403071A
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English (en)
French (fr)
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EP0543711A1 (de
Inventor
Guy Rainaud
Denis Allain
Henri Aubert
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.)
CNIM Groupe SA
Original Assignee
Constructions Industrielles de la Mediterrane CNIM 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 Constructions Industrielles de la Mediterrane CNIM SA filed Critical Constructions Industrielles de la Mediterrane CNIM SA
Priority to EP95202050A priority Critical patent/EP0685599B1/de
Publication of EP0543711A1 publication Critical patent/EP0543711A1/de
Application granted granted Critical
Publication of EP0543711B1 publication Critical patent/EP0543711B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D15/00—Movable or portable bridges; Floating bridges
    • E01D15/12—Portable or sectional bridges
    • E01D15/127—Portable or sectional bridges combined with ground-supported vehicles for the transport, handling or placing of such bridges or of sections thereof

Definitions

  • the present invention relates to a span structure intended in particular for crossing breaches by vehicles, such as armored engineering vehicles.
  • EP-A-0 340 409 describes a span structure with access spouts assembled respectively at the two ends of a central box and which can be coupled to another span structure to form a span of greater length.
  • the object of the present invention is to eliminate the above drawbacks by first proposing a span structure intended in particular for crossing breaches by vehicles, such as armored engineering vehicles, formed by at least one element of span comprising a rigid central box with upper raceway and two access spouts assembled respectively at the two ends of the central box so as to extend the raceway of the central box, at least one of the access spouts being liftable and fixed to the central box by a transverse pivot axis and unlockable locking means and which is characterized in that the locking means comprise at least one pair of locking pins secured respectively to the lifting access spout and to the central box in extending longitudinally to the central box along the same axis in the locked position of the access spout and two members forming jaw enclosing two heads facing the two locking pins.
  • the pivot axis of the liftable access spout is located in the upper part of the central box and the locking pins are located approximately at the bottom of the access spout and of the central box with the two members.
  • jaw forming housed in a transverse lower space defined between the lifting access spout and the central box.
  • the span structure comprises at least one retractable pin for resumption of cutting forces exerted on the locking axes during the passage of vehicles on the aforementioned rolling track and extending longitudinally in two coaxial holes respectively of the access spout liftable and central box.
  • the aforementioned spindle is retracted from the hole of the liftable access spout by a control rod with a threaded end screwed into the spindle and rotatably mounted around its axis in a block integral with the central box so as to completely return the spindle to the central box made in the block coaxially with the control rod when the lifting spout is unlocked.
  • the two jaw members are controlled by a mechanism mechanically linked to the control rod and comprising a plate with guided longitudinal movement controlled by the control rod and two studs secured respectively to two members forming jaw respectively engaged in two oblique grooves of the plate so that the controlled movement of the latter brings the two jaw members apart or apart.
  • the aforementioned control rod has a transverse axis integral with the plate through a longitudinal groove formed in a wall of the aforementioned block and the plate is secured to the block preferably by two parallel L-shaped guide rails.
  • At least one axis for guiding the movement of spacing or bringing the two jaw members together is secured to the central box of the span element.
  • the span structure comprises a reduction mechanism mechanically linked to the control of the jaw members and secured to the bottom of the box so as to be removably coupled to an external drive motor.
  • the other access spout of the span element is fixed and comprises a transverse bar for locking a hook-shaped part at the end of a movable spout unlocked from another span element.
  • a member for unlocking the hook-shaped part of the transverse bar and preferably constituted by a jack secured to the fixed access spout and whose jack rod lifts the liftable access spout of the other element span, and at least one locking axis extending longitudinally to the central box and which can be locked by jaw members to the axis of locking of the central box of the other span element when the access spout which can be raised the latter is locked to the cross bar.
  • the span structure comprises two span elements with parallel raceways and whose central boxes are connected together by two link arms forming spacers and two access spouts in front or behind the structure are respectively fixed and liftable.
  • the reference 1 designates a road vehicle, such as a truck, making it possible to transport to at least one breach to be crossed by vehicles, such as for example armored engineering vehicles, three spans respectively upper 2, intermediate 3 and lower 4 superimposed on a longitudinal chassis 5 of the vehicle.
  • vehicles such as for example armored engineering vehicles
  • the vehicle 1, comprising a double front cabin 6 extended aft by the longitudinal chassis 5, supports a system suitable for separately depositing the bridges 2, 3, 4 over gaps or assembling at least two bridges end to end and depositing the spans assembled above a breach.
  • Spans 2, 3 and 4 are identical and are each formed by two elements of parallel spans 2a, 2b; 3a 3b; 4a, 4b assembled by two link arms forming a spacer 2c, 3c and 4c.
  • the two span elements of each span 2, 3, 4 have two upper parallel running tracks 2d, 3d and 4d.
  • each span element comprises a rigid central box 7 and two access spouts 8, 9 assembled respectively at the two ends of the central box 7 so as to extend the upper raceway of the central box.
  • the access spout 8 is fixed in the upper part of the central box 7 by a transverse pivot axis 10 and in the lower part of the central box 7 by locking means which are unlockable so as to allow the spout 8 to be raised around its pivot axis 10.
  • These locking means comprise at least two locking axes 11, 12 secured respectively to the movable access spout 8 and the central box 7. For example, twenty pairs of locking pins 11 , 12 are provided in parallel in the same plane forming the bottom of the span element.
  • the locking means further comprise two members 13, 14 forming a jaw enclosing facing heads 15, 16 respectively of the locking pins 11 and 12.
  • the two jaw members 13, 14 are arranged transversely to the axis longitudinal of the span element in a lower space 17 defined between the movable access spout 8 and the central box 7.
  • two longitudinal retractable pins 18 are provided, of which only one is shown, located respectively on either side of the two ends of the two jaw members 13, 14.
  • Each pin 18, in locked position of the movable spout 8, extends in two passages or holes coaxial 19, 20 made respectively in the movable spout 8 and a block 21 fixed to the central box 7 by fixing screws 22.
  • Each pin 18 has a threaded through hole 23 into which is screwed a threaded end of a control rod 24 rotatably mounted around its longitudinal axis in the block 21.
  • the control rod 24 extends longitudinally to the central box 7 to a first reducing mechanism 25 fixed to the bottom of the central box 7.
  • the reducing mechanism 25 is driven by a pin transverse 26 itself driven in rotation by a second central reduction mechanism 27 also fixed to the bottom of the central box 7.
  • the reduction mechanism 27 can be actuated by an external motor, preferably hydraulic, removably coupled to the reduction mechanism 27 as will be explained later .
  • an external motor preferably hydraulic, removably coupled to the reduction mechanism 27 as will be explained later .
  • the two jaw members 13, 14 and the two pins 18 of a span element are controlled simultaneously by a control mechanism comprising, in the vicinity of each of the ends of the jaw members 13 , 14 a plate 28 fixed to the block 21 in a guided manner, for example by two guide rails 29, so as to be able to move in a longitudinal direction between two extreme positions respectively of closure of the jaw members 13, 14 and of engagement of each pin 18 in the corresponding passage 19 and of the opening of the jaw members 13, 14 and of total withdrawal of each pin 18 in the corresponding passage 20 of the block 21.
  • each plate 28 is driven in longitudinal translation by an axis 30 secured to the corresponding spindle 18 and passing through a longitudinal groove 31 of a wall of the block 21 having its end secured e of one face of the movable plate 28, the opposite face of which comprises two oblique grooves 32 in which respectively engage two transverse studs 33 fixed to the ends of two jaw members 13, 14.
  • the external hydraulic motor is coupled to the reduction mechanism 27 and actuated to drive the axes 26 in rotation which themselves rotate the two control rods 24 causing the longitudinal displacement of the pins 18 in the withdrawn position total in the passages 20 of the blocks 21.
  • the displacement of the pins 18 causes a concomitant displacement of the two plates 28 to the right with respect to FIG. 14 so as to separate the two jaw members 13, 14 from each other
  • a displacement by the control rods 24 of the pins 18 in the passages 19 of the movable access spout in the lowered position causes a displacement to the left plates 28 and thus the approximation of the two jaw members 13, 14 in the locking position of the axes of locking 11, 12.
  • the relative movement of the two jaw members 13, 14 is ensured by two parallel guide pins 34 located in the vicinity of the two ends of the two jaw members 13, 14 and integral with the central box 7 of the element spans.
  • the access spout 9 opposite the movable spout 8 of each span element is fixed and has at its upper part a transverse bar 35 intended for locking a hook-shaped part 36 at the end of an unlocked movable spout 8 of another span element.
  • the bar 35 and the hook-shaped part 36 are configured so as to prevent the movable spout 8 from escaping from the locking bar 35.
  • the fixed access spout 9 also comprises at least one locking pin 37, for example twenty parallel locking axes located in the plane forming the bottom of the span element extending longitudinally so as to project from the end of the fixed spout 9.
  • Each locking axis 37 is identical to the locking axes 11 , 12 and therefore has a locking head 38 coming in front of a locking head 16 of a corresponding locking pin 12 of the central box 7 when the span element comprising the locking pins 37 is assembled end to end with the other span element comprising the locking pins 12.
  • Such an assembly of span elements is partially represented in FIG. 11 which shows that the locking pins 37 are secured to the locking axes. llage 12 by the two jaw-forming members 13, 14.
  • Figure 8 shows two span elements assembled end to end where the movable spout 8 of the span element to the right with respect to this figure rests on the fixed spout 9 of l structural element on the left being locked by the hook-shaped end portion 36 to the locking bar 35 of the fixed access spout 9 with the locking pins 37 of the fixed access spout 9 locked to the axes of locking 12 of the central box of the right-hand span element by the two jaw-forming members 13, 14.
  • the movable spout 8 ensures the continuity of the upper tracks of the two span elements.
  • the fixed spout 9 of each span element also includes two jacks 39 fixed without the spout 9 perpendicularly to the bottom thereof and intended to lift a movable spout 8 of another span element to unlock the hook-shaped part 36 of the locking bar 35 of the fixed access spout 9.
  • the actuator rod 39 is fully retracted in the fixed access spout 9 in the rest position and its end acts under the movable access spout 8 to unlock it from the fixed access spout 9.
  • each access spout has a width identical to that of the corresponding central box and in the configuration deposited above a gap in the span, the opposite lifting spouts thereof are locked at the bottom of their central box of support.
  • the two connecting arms forming spacers 3c of the two elements 3a, 3b of the intermediate span 3 each have the shape of a U, the upper ends of which are fixed in an articulated manner by axes 40 to the two boxes.
  • central 7 of the two span elements so as to be able to pivot around these axes between a lowered position between the two span elements substantially perpendicular to the plane passing through the upper tracks and a raised position substantially parallel to this plane.
  • the two link arms 3c are locked automatically at their bases to the two boxes of the two span elements by locking members 41 as will be explained later.
  • Each span 2, 3, 4 further comprises two pairs of front and rear rollers 42 fixed vis-à-vis the two internal side walls facing each other respectively of two span elements.
  • the system for removing the spans 2, 3, 4 comprises a longitudinal launching and depositing beam 43 extending, in the rest or inactive position substantially over the entire length of the vehicle 1 while being housed for the most part in a defined longitudinal space between the two upper 2 and intermediate 3 overlapping spans and the upper link arms 2c of the span 2 and the link arms 3c of the span 3 in the lowered position, the latter thus making it possible to increase the housing height of the beam 43 between the link arm.
  • the beam 43 has at its upper part two lateral shoulders 44 forming two guide rails for the rollers 42 of each of the spans.
  • the beam 43 is supported therein by being guided in translation longitudinally by a support plate 45 which is pivotally fixed to the chassis of the vehicle by a transverse pivot axis 46 so as to be able to tilt around this axis in the opposite direction to the needles. of a watch for removing the spans. Guiding the beam 43 is produced by a lower T-shaped tenon of the beam 43 engaging in a mortise of conjugate shape of the support plate 45.
  • the beam 43 is driven relative to the support plate 45 by a geared motor assembly 47 fixed under the support plate 45 driving two motor pinions 48 meshing through the support bottom 45 with two longitudinal parallel racks 49 fixed under the beam 43.
  • the tilting of the support plate 45 is obtained by a control device 50 (see in particular the figures 30 to 32) comprising a motor-reduction unit 51 fixed to the chassis 5 at the rear of the vehicle and driving a transverse shaft 52 by a drive belt mechanism 53 - pulley 54 secured to the shaft 52, the two ends of which are kinematically linked to a rotary transverse shaft 55 for supporting two winch drums 56 on which are wound two parallel cables 57 for tilting the support plate 44.
  • L es cables 57 comprise two longitudinal parallel parts 57a passing respectively over two deflection pulleys 58 fixed to the chassis 5 so as to define two substantially vertical cable parts 57b passing over two control pulleys 59 fixed to two yokes 60, themselves fixed under the support plate 45.
  • the two cables 57 extend beyond the pulleys 59 by two substantially vertical cable portions 57c, the ends of which are fixed respectively to the two ends of a transverse bar 61 forming a pendulum with longitudinal central axis rotatably mounted in a yoke 62 secured to the chassis 5.
  • the shafts 52 and 55 are rotatably mounted in a support in the form of a yoke 63 and the rotation of the shaft 55 by the shaft 52 can be carried out for example by a set of pulleys attached to the ends of shafts 52, 55 and two drive belts wound on these pulleys.
  • the tilting of the support plate 45 is carried out when a span or at least two spans assembled end to end are in a cantilever position relative to this plate so as to exert a force tending to tilt it naturally. This. In such a situation, it then suffices to put the motor-reduction unit 51 into service so that the drums 56 are rotated in the direction of unwinding of the cables 57.
  • the system further comprises means for moving a span or two spans assembled end to end relative to the support beam 43.
  • These means comprise two chains without drive 64 arranged on either side of the beam 43 symmetrically to the latter and each mounted on two toothed wheels 65 fixed at the two ends of the beam 43 with the lower strand 64a of each chain 64 passing on three toothed return wheels in a triangle 66 rotatably mounted to the support plate 45.
  • the two toothed wheels 66 on the same side of the beam forming the base of the triangle are freely rotatably mounted on a transverse support axis projecting from the support plate 45 while the lower toothed pinion 66 forming the apex of this triangle is integral in rotation with a transverse shaft 67 rotatably mounted on support bearings 68 integral with the support plate 45.
  • the shaft 67 comprises a pulley 69 driven in rotation by a pulley driving 70 linked to the pulley 69 by a belt (not shown) and secured to the end of an output shaft of a geared motor assembly 71 secured to the support plate 45.
  • the geared motor assembly 71 simultaneously drives the two lower gear wheels 66 located on either side of the beam 43.
  • the means for moving the spans relative to the beam 43 also include two pairs before elements retractable forks 72 secured respectively to the two upper strands 64b of the two drive chains 64 and two rear pairs of elements forming retractable forks 72 also secured respectively to the two upper strands 64b of the two chains 64.
  • the two front pairs of elements forming forks 72 are capable of gripping respectively two protruding parts forming fingers 73 integral respectively with two span elements and located in line with two rollers 42 above which are located in the same vertical plane two front handling axes 74 arranged opposite one of the other.
  • the two rear pairs of fork-forming elements 72 are capable of gripping respectively two protruding parts forming fingers 73 secured respectively to two span elements behind them in line with two rollers 42 above which there are respectively two rear handling axes 74 arranged opposite one another.
  • the two pairs of fork-forming elements 72 are brought simultaneously to the finger grip position 73 or to the retracted position by a mechanical mechanism controlled by a control device fixed on the support plate 45.
  • Each pair of fork-forming elements is made up by two cleats pivotally mounted vis-à-vis respectively on two parallel axes of links of a drive chain 64.
  • each cleat 72 is movable between two parallel links of the chain 64.
  • a spiral spring 78 is provided mounted on the axis 75 so as to remind each cleat 72 in the retracted position as indicated by the arrow A.
  • the aforementioned mechanical mechanism comprises two transverse axes 79 rotatably mounted in the beam 43 and driven together in rotation by two toothed gears 80 meshed respectively with the two axes 79.
  • At the ends of each of the two axes 79 are fixed cams 81 located outside of the beam 43 and each disposed below an arm 82 pivotally mounted at one of its ends to the beam 43.
  • Each pivoting arm 82 is arranged in below a cleat 72 so as to raise the cleat 72 to a gripping position of a finger 73 projecting above the plane passing over the upper strands 64b of the chains 64 under the action of the corresponding cam 81.
  • one of the four cams 81 associated with the two front or rear pairs of fork-forming elements 72 is extended by an arm 83 the end of which engages in an articulated manner in a notch 84a of a plate 84 pivotally mounted about an axis 85 to the beam 43.
  • the plate 84 forms a sort of lever having an arm portion acting on the arm 83 and another lever arm portion whose end is connected in a manner articulated to a control rod 86 extending longitudinally to the beam 43.
  • the rod 86 is also articulated at the end of the other plate-shaped lever 84 associated with the two other pairs of fork elements 72
  • Three control rollers 87 are fixed respectively to the three ends of three arms 88 pivotally fixed to the beam 43, these three ends also being hingedly connected to the rod 86.
  • the assembly formed by the plates 84, the rod 86 and the arms 88 forming a deformable parallelogram so as to simultaneously tilt the two plates 84 located on one side of the beam 43 from the position shown to the left of FIG. 23 for retracting the tabs 72 to the position represented on the right of this figure for gripping by the tabs 72 of the drive fingers 73.
  • Each plate 84 is associated with a spring 89 having one of its ends fixed to the beam 43 and its end opposite the point of articulation of the plate 84 to the rod 86 so as to maintain each plate 84 in the two extreme positions, respectively of retraction and of gripping of the tabs 72.
  • the mechanism control device movement of the cleats 72 comprises an element, such as a vertical plate 90 fixed on the support plate 45, vertically movable between a low position and a high position so as to act on the rollers 87 and thus cause the desired tilting of the plate 84 in the retracted position or in the gripping position of the tabs 72. More specifically, the plate 90 is arranged in the same vertical plane as that of the rollers 87 and has its two ends.
  • the vertical movement of the plate 90 is ensured by two parallel arms 91 articulated at their ends to the plate 90 and to the support plate 45 and a double rod cylinder 92 having their ends connected articulated respectively at the point of articulation of one of the arms 91 to the support plate 95 and at the point of articulation of the other arm 91 to plate 90.
  • the system also comprises two controlled hooks 93 for respectively locking two handling axes 74 facing two span elements of a span and fixed to the ends of two control chains 94 arranged symmetrically to the longitudinal axis of the beam 43 and passing respectively on two parallel toothed wheels 95 rotatably mounted at the ends of the beam 43 while being perpendicular to the bottom of the latter.
  • the two toothed wheels 95 are integral in rotation with a transverse shaft 96 rotatably mounted between the two side walls 43a of the beam 43.
  • Two pulleys 97 parallel to the toothed wheels 95 are also integral in rotation with the shaft 96 and driven by two drive pulleys 98 kinematically linked to the pulleys 97 by two belts 99.
  • the two drive pulleys 98 are each secured to an output shaft of a reduction mechanism 100 fixed to the beam 43.
  • Each control chain 94 passes below a return toothed pinion 101 freely rotatably mounted at the end of the corresponding output shaft of the reduction mechanism 100 and at its free end connected to the end of a compensation spring 102 having its opposite end fixed to the bottom of the beam 43.
  • the input shaft of the reduction mechanism 100 is driven by a first reduction mechanism with pulleys 103, 104 kinematically linked by a belt (not referenced e), the shaft 105 for driving the pinion 104 passing through the bottom of the beam 43 and having at its lower end a rotary coupling plate 106 which can be driven by a hydraulic motor 107 as will be explained below.
  • the drive shaft 104 also drives an upper pulley 108 of diameter identical to the diameter of the pulley 104 kinematically linked by a drive belt 109 to a pulley 110 secured to the end of a rotary shaft 111 having its lower end secured to a rotary coupling plate 112 identical to the plate 106.
  • the shaft 111 drives a second pulley 113 identical to the pulley 110 coupled by a belt 114 to a pulley 115 secured to a rotary drive shaft 116 crossing the bottom of the beam 43 and the lower end of which is secured to a rotary coupling plate 117 identical to the plates 106 and 112. As shown in FIG.
  • the beam 43 can occupy relative to the motor 107 fixed under the support plate 45 three distinct fixed positions a , b , c , at each of which the motor 107 is removably coupled to the corresponding plates 106, 112 and 117.
  • the motor 107 output plate is of the type comprising fingers or claws engaging in cavities of conjugate form of plate 106, 112 or 117. This output plate is mechanically coupled.
  • a rack bar 118 guided axially in a direction transverse to the support plate 45 and meshing with a toothed sector 119 driven around an axis of rotation 120 fixed to the plate 45 by a control jack 121 and a lever arm 122.
  • the rack shaft 118 is shown in the inactive position for disengaging the output plate of the motor 107 from the coupling plate 112.
  • Each hook 93 comprises a latch 93a for locking a handling axis 74 constantly returned to the unlocking position by a spring 123.
  • the two hooks 93 can occupy three positions X, Y and Z. position Z for depositing spans, the two handling axes 74 are housed respectively in the two hooks 93 without being locked by latches 93a.
  • Each end of side wall 43a of the beam 43 has a rim 43b configured as a cam cooperating with the latch end 93a of the hook 93 in the same plane as the side wall 43a so as to bring the latch 93a in the unlocked position.
  • Figures 33 to 36 show the device for lifting the two link arms 3c of the intermediate span 3.
  • This device comprises a lifting table 124 occupying, in the position for transporting the spans, the lowered position shown in Figure 33 at which the ends of the two link arms 3c rest on the table 124.
  • This is fixed to the chassis 5 of the vehicle by means of articulated arm 125 perpendicular to chassis 5 and defining a deformable parallelogram under the action of a cylinder member 126. More specifically, the two lower arms of the deformable parallelogram are extended by fixed portions 125a articulated to the chassis 5 while the upper arms of these parallelograms are extended by portions 125b fixed in an articulated manner under the table 124.
  • the table 124 is constituted by a chassis 124a slidingly supporting, along the longitudinal axis of the vehicle , two shelves 124b linked together by two parallel arms 127 articulated, on the one hand to the two shelves 124b and on the other hand to the two ends of a central lever 128 mounted pivoting in its center around a perpendicular axis to the chassis 5 of the vehicle.
  • the arms 127 and the lever 128 allow the two shelves 124b to move away from each other as the table 124 is raised so that the ends of the link arms 3c are constantly in contact. on the two shelves 124b to their raised position parallel to the chassis 5 of the vehicle.
  • the link arms 3c are locked to the span elements by the locking members 41.
  • Such members can be constituted by a hook pivotally mounted to the corresponding span element and controlled by a jack mounted on a shelf 124b so as to tilt the hook in the locking position of a locking pin secured to the corresponding link arm 3c.
  • the system also comprises a box 129 located in the longitudinal axis of the vehicle behind it and serving to support the rear end of the beam 43 in the position for transporting the spans and a jack 130 mounted on the chassis. 5 of the vehicle just behind the cabin 6 in the longitudinal axis of the vehicle and intended in particular to lift the beam - upper span assembly at the start of the launching of the upper span.
  • the system finally comprises a device forming an anti-tilting foot of the vehicle situated at the front thereof and comprising a plate 131 articulated at the two free ends of two jack rods 132 fixed in an articulated manner to the chassis of the vehicle and capable of being folded in an inactive position stored in the vehicle as shown in FIG. 1 and two pairs of jacks 133 fixed to the chassis 5 of the vehicle symmetrically to the longitudinal axis of the latter so as to raise the spans above the chassis 5.
  • the vehicle 1 transports the three overlapping spans to the place where the breach B is to be crossed and approaches it as far as the location shown in FIG. 37A.
  • the upper span 2 is linked to the two chains 64 by the fork elements 72 trapping the finger portions 73 of the upper span elements 2.
  • the vehicle 1 is thus facing the breach in the transport position shown in Figure 1.
  • the anti-tilting foot device is deployed so that the plate 131 is supported on the ground and the actuator 130 is activated to slightly lift the beam 43 - upper span 2 of the support box 129 so releasing the upper span of the intermediate span 3.
  • the geared motor assembly 47 is activated so as to move relative to the support plate 45 the unitary assembly formed by the beam 43 and the upper span 2 to the position la no longer cantilevered from the beam in front of the vehicle, position at which the hydraulic motor 107 has its output shaft mechanically coupled to the plate 117 d drive of the shaft 116 supporting the pulley 115.
  • the system is thus in the position shown in FIG. 37A.
  • the upper span 2 is placed longitudinally on the beam 43 by activating the geared motor assembly 71 driving the two drive chains 64.
  • the transfer of the span 2 is carried out until the two handling axes before 74 of span 2 engage respectively in the two hooks 93 in position X which are brought into position Y of locking of the handling axes 74 by the motor-reduction unit 100 activity by the hydraulic motor 107 in at the same time as the upper span 2 is advanced a short distance forward with respect to the beam 43. Then, the actuator 126 for controlling the table 124 is actuated so that the table 124 lifts the two link arms 3c from the intermediate span 3 to their locking position with the corresponding span elements, to which they are locked there.
  • the two pairs of lateral jacks 133 are activated so as to raise the two overlapping intermediate 3 and lower 4 spans until the intermediate span 3 is substantially at the same level as the upper span 2 and the fork elements 72 are brought into the inactive retracted position by deforming the deformable parallelogram constituted by the plates 84, the rod 86 and the arms 88 by the plate 90 acting on the corresponding roller 87.
  • the motor 107 is disengaged from the drive plate 117 of the shaft 116.
  • the beam 43 and the upper span 2 which is linked to it by the hooks 93 are moved relative to the support plate 45 backwards to the position where the motor 107 is coupled to the drive plate 112 of the shaft 111 with the rear part of the beam 43 engaging between the two intermediate 3 and lower beams 4.
  • the plate 90 is lowered to lock the hook elements 72 respectively to the two parts forming the front fingers 73 of the intermediate span 3.
  • the geared motor assembly 71 is activated so that the drive chains 64 move the intermediate span 3 towards the rear end of the upper span 2. Initially, the rear liftable access spout of span 2 and the front liftable access spout of span 3 are unlocked.
  • the jacks 39 for lifting the access spouts are activated to lift the liftable access spouts 8.
  • the access spout 8 of the upper span 2 engages by its end on the corresponding fixed spout 9 of the intermediate span 3 while the spout 8 of the intermediate span 3 engages by its end on the fixed spout of the upper span 2 and the hook-shaped parts 36 of the lifting spouts 8 engage respectively on the transverse bars 35 of the fixed spouts 9.
  • the locking axes 37 of the fixed spouts 9 are locked to the locking axes 12 by the jaw members 13 by driving, by the corresponding hydraulic motor (not shown ) and the return mechanisms 24, 27, the control rods 24 in rotation about their longitudinal axes.
  • This hydraulic motor is fixed under the support plate 45 and is removably coupled to the deflection mechanism 27 in the same way as the motor 107.
  • the hydraulic motor for controlling the jaw members 13 is then removed from the deflection mechanism 27 and the two assembled spans 2, 3 are removed from the hooks 93 by moving the two assembled spans back through the drive chains 64 and simultaneously bringing the two hooks 93 from state Y to state X to unlock and disengage hooks 93 from the two axes handling before 74 of the upper span 2.
  • the hooks 93 are then brought to the position Z.
  • Figure 37D shows the two spans 2, 3 assembled end to end.
  • the assembled spans 2, 3 are moved relative to the beam 43 by the drive chains 64 to a cantilever position relative to the beam 43 such that the axes before handling 74 of the intermediate span 3 engage in the hooks 73 brought from the position Z to the position X and the spans 2, 3 are advanced relative to the beam 43 with concomitant displacement of the hooks 93 from the position X to the Y position to lock the handling axes 74 of the intermediate span therein.
  • the fork elements 72 are brought into the retracted position so as to separate the fingers 73 from the intermediate span of the drive chains 94 and the motor 107 is uncoupled from the drive plate 112 of the shaft 111.
  • FIG. 37F shows that the beam with the assembled span 2, 3 has been brought back relative to the support plate 45 at the position at which the motor 107 is again coupled to the plate 112 for driving the axis 111
  • the fork elements 72 are brought in line with the front finger parts 73 of the lower span 4 and are brought by the plate 90 to the active position for gripping the finger parts 73.
  • the drive chains 64 are controlled so as to move the lower span 4 towards the rear of the intermediate span 3 and the lifting cylinders 39 of the movable spouts 8 are activated to allow end-to-end assembly of the lower span 4 to the intermediate span 3 of the same way as for the end-to-end assembly of the spans 2 and 3 as explained above, it being understood that initially the movable nozzles 8 respectively of the spans middle and bottom are unlocked.
  • the lifting cylinders 39 are brought into the inactive position, the control motor for the jaw members 13 is disengaged from the reducing mechanism 27, the cylinders 133 for raising the bridges are brought back into position inactive and the motor 107 is removed from the drive plate 112 of the shaft 111.
  • the beam 43 is moved into the most cantilevered position in front of the support plate 45 and the motor 107 is coupled to the plate 117 for driving the shaft 116.
  • the spans 2, 3, 4 are moved back relative to the beam 43 by the drive chains 64 with concomitant displacement of the hooks 93 of the position Y at position X to release the handling axes 74 from the intermediate span 3, the hooks 93 then being brought to position Z.
  • FIG. 37K shows that the assembled span 2, 3, 4 are displaced relative to the beam 43 by the drive chains 64 to a cantilever position at which the front handling axes 74 of the lower span 4 are locked in the hooks 93 in the manner already described above.
  • the fork elements 72 connecting the lower span 4 to the drive chains 64 are brought into the retracted position by the plate 90 and these fork elements 72 are brought to the right of the rear finger portions 73 of the lower span 4 to grasp these.
  • the assembled span 2, 3, 4 are moved back relative to the beam 43 by the drive chains 64 with concomitant displacement of the hooks from position Y to position X to release the handling axes 74 from the lower span of the hooks 93 which are held in position X.
  • the geared motor assembly 51 is put into service so as to drive the drums 56 in the direction of unwinding of the cables 57, which causes the support plate 45 and therefore the tilting assembly 43 - spans 2, 3 to tip over. , 4 to place the end of the upper span 2 on the bank opposite the vehicle. As shown in FIG. 37L, all of the spans are released from the beam 43 so as to form an angle of spans with respect to the beam of approximately 3 °. The motor 107 is then disengaged from the plate 112 for driving the axis 111.
  • the beam 43 is then moved back relative to the support plate 45 to a relative position such that the motor 107 can be coupled to the plate 106 for driving the axis 104 and at the same time the spans are moved relative to the beam 43 by the drive chains 64 translating on the toothed wheels 65, 66 to a position such that the rear handling axes 72 of the lower span 4 engage and lock in the hooks 93 successively in position, X and Y, the hooks 93 then being brought into position Z.
  • the parts forming rear fingers 73 of the lower span 4 automatically disengage elements forming forks 72 when the hooks 93 are in position Y as is moreover shown in FIG. 23.
  • drive chains 64 are maneuvered so as to bring the elements forming forks 72, still in the active gripping position, to their initial position in FIG. 37A.
  • the geared motor assembly 51 is again put into service to wind the cables 57 on the drums 56 and thus bring the support plate 45 and beam 43 assembly back to the horizontal position as shown in figure 37N.
  • the beam 43 is cantilevered with respect to the relatively small vehicle, of about a quarter of its total length.
  • the motor 107 is activated to lower the hooks 93 and thus deposit the assembled spans 2, 3, 4 above the gap B as shown in Figure 37-O.
  • the hooks 93 are then disengaged from the handling axes 74 of the lower span 4 and the geared motor assembly 51 returns the hooks 93 to their position X.
  • the motor 107 is disengaged from the plate 106 for driving the axis 105 and the beam 43 is returned to the initial transport position.
  • the vehicle can then cross the breach B by passing over the bridge formed by the assembled spans 2, 3, 4 to recover the spans on the opposite bank.
  • FIGS. 38A to 38H represent the phases of removal of a single span, in this case the upper span 2.
  • the beam 43 and span 2 assembly linked to the latter by the fork elements 72 is moved relative to the support plate 45 to a cantilever position at front of the vehicle to which the motor 107 is coupled to the plate 112 for driving the shaft 111.
  • the span 2 is moved relative to the beam 43 from the position shown in FIG. 38B to the position shown in FIG. 38C in which the front handling axes 74 of the span 2 engage and are locked in the hooks 93 as already explained previously .
  • the motor 107 is disengaged from the plate 112 for driving the shaft 111.
  • the beam 43 is moved relative to the support plate 45 to its most cantilevered position in front of the vehicle to which the motor 107 is coupled to the plate 117 for driving the tree 116.
  • FIG. 38E represents the tilting of the beam 43
  • FIG. 38F represents the bearing of the end of the span 2 on the bank opposite the vehicle with the span 2 defining with respect to the beam 43 an angle of approximately 3 °.
  • the beam 43 is then moved back relative to the support plate 45 to a position identical to that of FIG. 37M, which causes the chains 64 to translate on the toothed wheels 65, 66 so as to move the span 2 relative to the beam 43 until the rear finger portions of the span 2 automatically disengage the fork elements 72 with the handling axes 74 engaging and locking in the hooks 93 which are brought into position Z.
  • the system described above is of relatively simple structure and operation compared to the systems known up to now and, above all, deposits one or more bridges assembled in a minimum of time.

Landscapes

  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Automobile Manufacture Line, Endless Track Vehicle, Trailer (AREA)
  • Bridges Or Land Bridges (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Vehicle Interior And Exterior Ornaments, Soundproofing, And Insulation (AREA)
  • Auxiliary Methods And Devices For Loading And Unloading (AREA)
  • Devices For Checking Fares Or Tickets At Control Points (AREA)
  • Harvester Elements (AREA)
  • Manipulator (AREA)
  • Led Device Packages (AREA)
  • Internal Circuitry In Semiconductor Integrated Circuit Devices (AREA)

Claims (10)

  1. Insbesonde zur Überführung von Fahrzeugen, wie Panzerwagen des Pionierkorps über Gräben bestimmter Brückenfeldaufbau, der durch wenigstens ein Brückenfeldelement (2a, 3a, 4a ; 2b, 3b, 4b) gebildet wird, mit einem starren Zentralkasten (7) mit oberer Fahrbahn und zwei jeweils an den beiden Enden des Zentralkastens (7) angebrachten Auflaufauslegern (8, 9), um die obere Fahrbahn des Zentralkastens (7) zu verlängern, wobei wenigstens der eine (8) der Auflaufausleger (8, 9) aufklappbar und an dem Zentralkasten (7) durch einen Querschwenkbolzen (10) befestigt ist, und entriegelbaren Verriegelungsmitteln, dadurch gekennzeichnet, dass die Verriegelungsmittel wenigstens ein Paar von jeweils mit dem aufklappbaren Auflaufausleger (8) und dem Zentralkasten (7) fest verbundenen und sich in Längsrichtung des Zentralkastens (7) entlang desselben Bolzens in verriegelter Stellung des Auflaufauflegers (8) erstreckenden Verriegelungsbolzen (11, 12) und zwei eine zwei gegenüberliegende Köpfe (15, 16) der beiden Verriegelungsbolzen (11, 12) einklemmende Klemmbacke bildenden Glieder (13) aufweisen.
  2. Brückenfeldaufbau nach Anspruch 1, dadurch gekennzeichnet, dass der Schwenkbolzen (10) des vorgenannten Auflaufauslegers (8) sich am oberen Teil des Zentralkastens (7) befindet und die Verriegelungsbolzen (11, 12) ungefähr an den Böden des Auflaufauslegers (8) und des Zentralkastens (7) gelegen sind, wobei die beiden eine Klemmbacke bildenden Glieder (13) in einem durch den Auflaufaufleger (8) und den Zentralkasten (7) abgegrenzten unteren Querraum (17) untergebracht sind.
  3. Brückenfeldaufbau nach Anspruch 2, dadurch gekennzeichnet, dass er wenigstens einen zurückziehbaren Stift (18) zur Aufnahme der auf den Verriegelungsbolzen (11, 12), während des Überganges des Fahrzeuges auf der vorgenannten Fahrbahn ausgeübten Scherkräfte aufweist, welche sich in Längsrichtung in zwei koaxiale Löcher (19, 20) jeweils des aufklappbaren Auflaufauslegers (8) und des Zentralkastens (7) erstreckt.
  4. Brückenfeldaufbau nach Anspruch 3, dadurch gekennzeichnet, dass der vorgenannte Stift (18) aus dem Loch (19) des Auflaufauslegers (8) durch eine Betätigungsstange (24) mit in dem Stift (18) eingeschraubten Gewindeende zurückgezogen wird, welche Stange drehbar um ihre Achse herum in einem mit dem Zentralkasten (7) fest verbundenen Block (21) angeordnet ist, um den Stift (18) vollständig in das in dem Block (21) koaxial zur Betätigungsstange (24) gebildete Loch (20) des Zentralkastens, während der Entriegelung des aufklappbaren Auflaufauslegers einzuziehen.
  5. Brückenfeldaufbau nach Anspruch 4, dadurch gekennzeichnet, dass die beiden eine Klemmbacke bildenden Glieder (13) durch einen mit der Betätigungsstange (24) mechanisch verbundenen Mechanismus betätigt werden, der eine Platte (28) mit durch die Betätigungsstange (24) gesteuerter geführter Längsbewegung und zwei jeweils in zwei schrägen Nuten (32) der Platte (28) eingreifende, jeweils mit den beiden eine Klemmbacke bildenden Gliedern (13) fest verbundene Zapfen (33) aufweist.
  6. Brückenfeldaufbau nach Anspruch 5, dadurch gekennzeichnet, dass die Betätigungsstange (24) einen mit der Platte (28) durch eine in einer Wand des vorgenannten Blocks (21) gebildete Längsnut (31) hindurch fest verbundenen Querbolzen (30) aufweist und die Platte (28) mit dem Block (21) vorzugsweise durch zwei parallele L-förmige Führungsschienen (29) fest verbunden ist.
  7. Brückenfeldaufbau nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass er wenigstens einen mit dem vorgenannten Zentralkasten (7) fest verbundenen Bolzen (34) zur Führung der Auseinanderspreizungs- oder Annäherungsbewegung der beiden eine Klemmbacke bildenden Glieder (13) aufweist.
  8. Brückenfeldaufbau nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass er einen mit dem Antrieb der eine Klemmbacke bildenden Glieder (13) mechanisch verbundenen und mit dem Boden des Zentralkastens (7) fest verbundenen Untersetzungsmechanismus (25, 27) aufweist, um mit einem äusseren Antriebsmotor lösbar koppelbar zu sein.
  9. Brückenfeldaufbau nach einem der vorangehenden Ansprüche, dadurch gekennzeichnet, dass der andere Auflaufausleger (9) ortsfest ist und einen Quersteg (35) zur Verriegelung eines hakenförmigen Teiles (36) an dem Ende eines entriegelten bewegbaren Auslegers (8) eines anderen ähnlichen Brückenfeldelementes, ein Glied (39) zum Entriegeln des hakenförmigen Teiles (36) von dem Quersteg (35) umfasst, welches Glied vorzugsweise durch einen mit dem ortsfesten Auflaufausleger (9) fest verbundenen Kraftzylinder gebildet wird, dessen Kraftzylinderstange den bewegbaren Auflaufausleger (8) des anderen Brückenfeldelementes anhebt und wenigstens einen sich in Längsrichtung des Zentralkastens (7) erstreckenden Verriegelungsbolzen (37) umfasst, welcher durch zwei eine Klemmbacke bildenden Glieder (13) an dem Verriegelungsbolzen (12) des Zentralkastens (7) des anderen Brückenfeldelementes verriegelt werden kann, wenn der bewegbare Auflaufausleger (8) des letzteren an dem Quersteg (35) verriegelt ist.
  10. Brückenfeldaufbau nach einem der Ansprüche 1 bis 9, dadurch gekennzeichnet, dass er zwei Brückenfeldelemente mit parallelen Fahrbahnen aufweist, deren Zentralkästen (7) miteinander durch zwei Streben bildende Verbindungsarme (2c ; 3c ; 4c) verbunden sind und dass zwei Auflaufausleger vor und hinter dem Aufbau jeweils ortsfest (9) und aufklappbar (8) sind.
EP92403071A 1991-11-15 1992-11-13 Brückenteil, insbesondere zur Überwindung von Gräben durch Fahrzeuge Expired - Lifetime EP0543711B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP95202050A EP0685599B1 (de) 1991-11-15 1992-11-13 System zum Transportieren von mindestens zwei Brückenteilen durch ein Fahrzeug zur Überwindung von Gräben und System zum Ablegen dieser Teile über die Gräben durch das Fahrzeug

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9114116 1991-11-15
FR9114116A FR2683837B1 (fr) 1991-11-15 1991-11-15 Structure de travure destinee en particulier au franchissement de breches par des vehicules et systeme de transport et de depose de la structure.

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP95202050.1 Division-Into 1992-11-13
EP95202050A Division EP0685599B1 (de) 1991-11-15 1992-11-13 System zum Transportieren von mindestens zwei Brückenteilen durch ein Fahrzeug zur Überwindung von Gräben und System zum Ablegen dieser Teile über die Gräben durch das Fahrzeug

Publications (2)

Publication Number Publication Date
EP0543711A1 EP0543711A1 (de) 1993-05-26
EP0543711B1 true EP0543711B1 (de) 1996-07-03

Family

ID=9418995

Family Applications (2)

Application Number Title Priority Date Filing Date
EP92403071A Expired - Lifetime EP0543711B1 (de) 1991-11-15 1992-11-13 Brückenteil, insbesondere zur Überwindung von Gräben durch Fahrzeuge
EP95202050A Expired - Lifetime EP0685599B1 (de) 1991-11-15 1992-11-13 System zum Transportieren von mindestens zwei Brückenteilen durch ein Fahrzeug zur Überwindung von Gräben und System zum Ablegen dieser Teile über die Gräben durch das Fahrzeug

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP95202050A Expired - Lifetime EP0685599B1 (de) 1991-11-15 1992-11-13 System zum Transportieren von mindestens zwei Brückenteilen durch ein Fahrzeug zur Überwindung von Gräben und System zum Ablegen dieser Teile über die Gräben durch das Fahrzeug

Country Status (7)

Country Link
US (1) US5363527A (de)
EP (2) EP0543711B1 (de)
AT (2) ATE140048T1 (de)
DE (2) DE69211960T2 (de)
FR (1) FR2683837B1 (de)
HK (1) HK1002711A1 (de)
SG (2) SG49052A1 (de)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4423895C2 (de) * 1994-07-08 1999-07-29 Man Technologie Gmbh Brückenelement für leichte Belastungen
FR2737513B1 (fr) * 1995-08-02 1997-10-10 Mediterranee Const Ind Structure de travure destinee en particulier au franchissement de breches par des vehicules et systeme de transfert et de depose d'une telle structure
FR2737512B1 (fr) * 1995-08-02 1997-10-10 Mediterranee Const Ind Structure de travure destinee en particulier au franchissement de breches par des vehicules
US5915423A (en) * 1997-05-27 1999-06-29 Williams Fairey Engineering Limited Bridge construction
DE102004049969B8 (de) * 2004-10-14 2006-03-23 Military Mobile Bridges Gmbh Modulare Scherenbrücke sowie Verlegeeinrichtung und Verfahren zum Verlegen zerlegbarer Brücken
FR2889213B1 (fr) * 2005-07-27 2007-09-07 Mediterranee Const Ind Systeme de transport d'une travure par un vehicule routier pouvant etre transforme en vehicule amphibie pour permettre a tout vehicule routier de franchir une breche seche ou remplie d'eau
DE102005054202B3 (de) * 2005-11-14 2007-04-19 Siemens Ag Serielles Bussystem, Teilnehmervorrichtung und an die Teilnehmervorrichtung anschließbare Eingabe-/Ausgabekarte
DE102006018794A1 (de) * 2006-04-22 2007-10-25 Kraus-Maffei Wegmann Gmbh & Co. Kg Verfahren und Vorrichtung zum Verlegen eines Brückenelements
DE102006042251A1 (de) * 2006-09-08 2008-03-27 General Dynamics Santa Bárbara Sistemas GmbH Brückenelement
DE102007041579B4 (de) * 2007-09-01 2009-07-30 General Dynamics Santa Bárbara Sistemas GmbH Anbauvorrichtung zum Transportieren und Verlegen von militärischen Brücken
US10662594B1 (en) * 2016-09-27 2020-05-26 Brian J. Lafoy Bridge rehabilitation system
DE102017100815A1 (de) * 2017-01-17 2018-07-19 Krauss-Maffei Wegmann Gmbh & Co. Kg Brückenverlegeeinrichtung zum Verlegen einer insbesondere einteiligen Brücke
US20220395932A1 (en) * 2021-06-09 2022-12-15 Innovatech Systems, Llc Beam rotation device and system

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FR2158618A5 (de) * 1971-10-26 1973-06-15 France Etat
FR2488925A1 (fr) * 1980-08-21 1982-02-26 France Etat Dispositif d'accrochage a clin de deux elements de ponts sur intrados ou extrados et element de pont de comportant
FR2495657A1 (fr) * 1980-08-21 1982-06-11 France Etat Dispositif automatique d'assemblage a clin de deux elements de ponts et element de pont le comportant
DE3814502C3 (de) * 1988-04-29 1995-08-03 Dornier Gmbh Brücke
FR2637301B1 (fr) * 1988-09-30 1990-11-16 France Etat Armement Engin poseur de ponts du type comportant au moins deux travures superposees sur un chassis
DE3837122C2 (de) * 1988-11-02 1997-09-11 Krupp Foerdertechnik Gmbh Verfahren zum Zusammenbauen einer zerlegbaren Brücke auf einem Fahrzeug
FR2640208B1 (fr) * 1988-12-13 1991-03-29 Mediterranee Const Navale Indl Systeme de transport et de depose d'au moins une travure d'un vehicule tel qu'un engin blinde du genie
FR2649426B1 (fr) * 1989-07-06 1992-03-20 Mediterranee Const Navales Ind Systeme de pontage permettant a des vehicules de franchir des breches

Also Published As

Publication number Publication date
FR2683837A1 (fr) 1993-05-21
FR2683837B1 (fr) 1994-02-11
DE69211960T2 (de) 1997-02-20
HK1002711A1 (en) 1998-09-11
EP0685599B1 (de) 2000-01-19
DE69230593T2 (de) 2000-05-31
US5363527A (en) 1994-11-15
ATE189020T1 (de) 2000-02-15
ATE140048T1 (de) 1996-07-15
SG49052A1 (en) 1998-05-18
EP0685599A1 (de) 1995-12-06
EP0543711A1 (de) 1993-05-26
DE69211960D1 (de) 1996-08-08
SG77553A1 (en) 2001-01-16
DE69230593D1 (de) 2000-02-24

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