Classifications

• • A—HUMAN NECESSITIES
  • A62—LIFE-SAVING; FIRE-FIGHTING
  • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
  • A62B1/00—Devices for lowering persons from buildings or the like
  • A62B1/06—Devices for lowering persons from buildings or the like by making use of rope-lowering devices
  • A62B1/14—Devices for lowering persons from buildings or the like by making use of rope-lowering devices with brakes sliding on the rope

Definitions

• the present invention generally relates to a device for braking a rope, and in particular, can be used for work at a high place, emergency escape in case of fire, prevention of personal injury when climbing a mountain, etc.
• Rope braking device
• An object of the present invention is to provide a lightweight, compact, and easy-to-operate rope braking device that does not have the above-mentioned drawbacks of the conventional lobe braking device.
• a lobe brake device is an automatic brake braking device for adjusting a braking force between a first side plate and a second side plate forming a housing.
• a cam a first shaft for bending the rope located away from the driving cam, a second shaft adjacent to the driving cam and cooperating with the movement cam to pressurize the rope, and a lobe braking device.
• a connecting shaft that forms a connecting device for connecting to the motor; an operating lever that is connected to the moving cam to control the rotational movement of the cam; and enters the lobe controlling device from above, and then turns the moving cam!
• the moving cam is rotatable by a predetermined distance from the second axis.3 ⁇ 4 It is fixed to the force shaft.i ⁇
• the height of the lobe of the moving cam is the minimum height of the lobe. When they face each other, they do not pressurize or compress the lobes between the second shaft and the driving cam, but gradually increase from the minimum lobe height to the maximum lobe height. As the height of the lobe portion of the force facing the pressure second shaft increases from its minimum value to its maximum value, the pressing force on the mouth between the pressure second shaft and the cam increases, Therefore, the braking force on the lobe increases.
• the rope braking device according to the present invention is ⁇
• the rope braking device of the present invention can be applied to a climbing and descending device for work at height, a descending device for evacuation, a shock absorber for mountain climbing, and the like, and can also be embodied as a load cell.
• FIG. 1 shows an embodiment of a rope braking device according to the present invention, and is a front view of the rope braking device applied to an elevator.
• FIG. 2 is a view showing the internal structure of FIG. 1, and is a cross-sectional view taken along a line ⁇ - ⁇ in FIG.
• FIG. 3 is a sectional view taken along the line m-nr in FIG.
• FIG. 4 is a rear view of the apparatus of FIG. 1 in a state where the operation lever is turned in one direction.
• FIG. 5 is a side view showing a modification of the apparatus shown in FIG.
• FIG. 5 is a view showing an embodiment of an evacuation descent tool to which the lobe braking device of the present invention is applied.
• FIG. 7 is a partial view showing a use state of the connecting device of the lowering device of FIG.
• FIG. 8 is a diagram showing a situation of evacuation and descent using the descent of FIG.
• Fig. 9 is a simplified view of a climber wearing a rope braking device applied as a climbing shock absorber.
• FIG. 10 is a plan view of the shock absorber of FIG. Fig. 11 is the side view.
• FIG. 12 is a cross-sectional side view of the lobe braking device in FIG.
• FIG. 13 is a sectional view taken along line xm-xin in FIG.
• Fig. 14 shows a slope of a pickle suitable for use with the shock absorber of Fig. 10.
• FIG. 15 is a partially enlarged view of Pickel.
• FIG. 1 is a front view of a load cell to which the lobe braking device of the present invention is applied.
• FIG. I7 is a side view of the same.
• Fig. 18 is a partial cross-sectional plan view.
• FIG. 19 and FIG. 20 are partial cross-sectional views showing different modified examples of the load cell.
• FIG. 21 is a sectional plan view showing another embodiment of the lobe braking device of the present invention having a speed operating device.
• Fig. 22 is a plan view of the lobe braking device.
• FIG. 23 is a partial sectional view.
• Figure 24 is a partial side view.
• FIG. 1 is a front view of a load cell to which the lobe braking device of the present invention is applied.
• FIG. I7 is a side view of the same.
• Fig. 18 is a partial cross-sectional plan view.
• FIG. 19 and FIG. 20 are
• FIG. 25 is a cross-sectional side view of a lobe braking device according to still another embodiment.
• Fig. 2 is a partial cross-sectional plan view.
• Fig. 27 is a cross-sectional plan view of another part.
• FIG. 28 is a cross-sectional side view of a lobe braking device according to still another embodiment.
• FIG. 29 is a cross-sectional view of a part thereof.
• FIGS. 1 to 4 show an embodiment of a mouthpiece control device 1 of the present invention applied to an ascending and descending device for working at height.
• the rope braking device 1 preferably comprises a rectangular parallel-spaced first side plate 2 and a second side plate 5 with screws 8,
• the first shaft 4 for bending the rope and the force shaft 12 are separated by a predetermined distance and are relatively far from the first shaft 4. For example, they are located near the upper right corner (Fig. 2).
• the connecting means is to place the lobe braking device 1 at a high position via the connecting rope 20.
• a 1 mm slide is provided at the end of lever 14.
• the shape of force 1 is as follows. Center of camshaft 1 2
• the distance between the cam peripheral point 22 and the cam lobe 22 is the smallest (the minimum lobe height). During this time, the cam 13 and the pressure shaft 5 do not press the braking rope 19.
• the cam turned about 200 degrees counterclockwise from the peripheral point 21 of the cam.
• the cam lobe height gradually increases up to the cam peripheral point 23.
• the circumference point 23 is the maximum lobe height.
• the position of the connecting shaft ⁇ is such that when the upper end 11 of the braking lobe 19 is fixed to the fixed fulcrum 15 outside the device and the weight is added to the connecting rope 20, the upper part of the rope 1 9 «and misaligned axis ⁇ are on a straight line.
• the braking lobe portion going upward from the cam 13 is bent by the first shaft 4] and pressed against the mouth portion of the first shaft 4 at the point Q (Fig. 2).
• the friction between the ropes • causes a braking action.
• the braking force in this case increases as the angle between the braking rope portion 11 from the cam 13 to the point Q and the upper rope portion 19 "increases. In the following, the angle is referred to as a braking angle. Will be described later.
• the protrusion 18 for limiting the movement of the braking lobe is connected to the side plate 2,
• this descender (rope braking device 1) can be used for both descending (including descending on a vertical plane) and climbing.
• the worker who has connected the lobe brake device 1 to the body with the connection lobe 20, wants to lower it, he rotates the lever 14 in FIG. Multiply weight by 0.
• the greater the rotation angle of the lever the greater the compression force (at point R) on the braking rope 19 by the cam 13 and the pressure shaft 5, so the braking force on the rope 19 also increases.
• the descent speed decreases. Therefore, the operator can move the lever 14 to the left or right to lower while adjusting the lowering speed.
• the climbing is performed by changing the braking angle.
• the worker who has joined the body to the apparatus 1 with the connection robe 20 first turns the operation lever 14 counterclockwise (FIG. 1) to engage the stopper 9. During this time, since the minimum rope height from the cam peripheral points 21 to 22 faces the pressure shaft 5, no compression of the braking lobe by the cam 13 and the pressure shaft 5 occurs.
• the device 1 is turned over as shown in FIG. In this state, when the operation rope 14 is pulled downward with the braking rope 19 tensioned and the connection lobe 20 loosened, the lobe braking device 1 is actuated clockwise (Fig. 4). Then, the housing 7 tilts to the right as shown by the dotted line.
• the braking angle is large.
• the relative braking force J between the braking lobe and the braking device 1 does not occur due to the large braking force.
• the worker stands on a suitable scaffold on the slope, grasps the lower part of the lobe 19c with the left hand, and pushes the rope brake device 1 upward with the right hand while pushing the respirator 14 and rope braking.
• Device 1 moves upward along braking lobe 19.
• the worker places one foot on the upper scaffold and moves levers 14 to the upper scaffold while applying weight to the bow and tension lepper. If you repeat the above operation, you can climb as needed.
• each of the side plates 2 and 3 is pivotally connected to each other by hinges 20 and screws 27 to facilitate the mounting of the braking lobe 19 to the rope braking device 1. It is preferable to provide a removable thumbscrew 28 at the other end of the side plates 2 and 3 so that the inside of the braking device 1 can be exposed. In this way, any part of the braking lobe 19 can be easily mounted on the drive.
• 29 is a spacer separating the side plates.
• the evacuation descent device 30 includes a rope braking device 1 according to the present invention, an evacuation person's clothing device 31 coupled to a connecting shaft ⁇ of the rope braking device, and a braking device for braking.
• the internal structure of the rope control device 1 of this evacuation descent is the same as that of FIGS.
• the refugee (escaper) outfit 31 is preferably a pan-type, relatively wide main belt 34 connected to the connecting shaft ⁇ of the lobe braking device 1 and a part of the main belt. Pants 3 5 attached to the main belt, shoulder belts 3 mm with adjustable length fixed to the main belt, and relatively wide 3 ⁇ 4 belts 3 connected to the main belt and attached to the pants 7 and a pouch 38 provided in the pants 35.
• the features of this evacuation equipment 31 are that it is not bulky when folded and lightweight, and that evacuees do not feel pain while descending . ⁇ ⁇
• the clothing 31 itself weighs approximately 100 grams.
• the main belt and hip belt support the impact force during escape.
• the braking rope storage device 32 is in the form of a bag in the embodiment shown in the drawing.]
• the bag has a built-in bobbin 40 supported by a rotating shaft 39 rotatably mounted on the bag. The lower end of the braking lobe is wound around the bobbin. Braking robes 1 9 bobbins
• the fixing tool 35 is composed of a pair of hooks in the embodiment shown in the drawing.9, for example, a braking lobe wheel 42 is formed as shown in FIG. , Door knobs, bed legs, veranda handrails, and parts of cars on elevated roads).
• the braking rope 19 may be made of a material such as wire or Kepler fiber. It is also preferable that the operation lever 14 and the slide 1 ⁇ of the braking device 1 are heat-insulating. 3 ⁇ 4 ⁇ A slidable edge protector 44 should be provided to protect the braking rope 19 from protrusions and edges 43 (Fig. 8) near the evacuation exit.
• the evacuees should first wear pants 5 and shoulder belts 5 6
• Vv uo no (For example, the upper end of the braking rope 19 is fixed to the door knob 45 in Fig. 8), and the lobe braking device 1 is not operated (Figs. 1 and 2), that is, the lobe 19 is not braked. Walk down to the descent point if necessary, and if necessary, engage the protective body 4 4 with the edge 45 of the descent building, and operate the operating lever 14 of the mouth brake device 1 as described above to apply the braking force to the rope. And start descent (Fig. 8). As described above, the descent speed can be adjusted by operating the lever 14 so that, for example, a place where fire is blowing out during descent can be descended at a rapid speed, and when the landing point is burning, stop in the air.
• the climbing shock absorber 50 (Fig. 9) is used by connecting it to the waist belt 51 worn by the climber via a gutter drop 52.
• the climbing shock absorber 50 includes a lobe braking device 100 according to the present invention, a coupling plate 5 ⁇ fixed to a lower end of the braking device 100, and a lower portion of the coupling plate 53 rotated by a shaft 54.
• the rope braking device 100 is shown in FIGS.
• the operation of the operation reporter 1 4 4] has a rope braking force adjustment device ⁇ 0
• Adjusting device ⁇ 0 projects from the second side plate 3 of the rope braking device 100.
• the operating plate 57 is located in this cavity. Also
• a standby rod 4 is provided, which is a camshaft.
• a plurality of standby units provided on the second side plate 3 along a circle centered on 2
• the second side plate 3 is also provided with a stopper.
• the configuration of the lobe braking force adjusting device # 0 is different from that of controlling the rope braking force by rotating the cam by manual rotation of the operation lever 14 as in the above-described embodiment.
• the rope braking force can be set to a predetermined value. That is, in this embodiment, the shape of the cam 13 (FIG. 2) is such that the projection ⁇ 7 of the operation plate 57 abuts on the standby rod ⁇ 4 (FIG. 13) at the “0” position.
• the use of the climbing shock absorber of the present invention will be described by taking as an example a case where a plurality of climbers (for the sake of explanation, two persons, top and last) climb a slope of ice and snow using a zir. I do. Each of the two climbers wears a waist belt 51).) Wear a climbing shock absorber 50 (Fig. 9).
• both the top and the last are connected to each other by connecting zirls 70 to both ends of the brake opening 19 of the rope braking device 100, and the connecting shaft ⁇ is connected to the guide rod 5 Connect 2 to connect the shock absorber 50 to the climber, and also to the ice and snow climbing.
• the extra parts of the power draw 52 and the pickle rope 69 are stored in the small bag 71 in the storage bag 5 between the rope braking device 100 of the shock absorber 50 and the bobbin 55. Try not to get in the way. It is advisable to lightly close the entrance of the pouch with the snake 72 and the hook 73 so that the guard rope and the pickle rope do not fly out of the pouch 71.
• the top and last climbers adjust the rope braking force of the shock absorber 50 according to the conditions of the climbing ice and snow slopes.
• the standby rod 4 is fixed with respect to the second side plate having the standby hole, and thus acts as a stop for the projection 7 of the operation plate 57. In the unlikely event that the last slides down, the sails will be tense and the last braking rope will be replaced.
• the cam rotates in the direction to increase the height of the mouthpiece by the contact friction force between the braking rope 19 and the cam 13,
• the working plate 57 which is attached to the camshaft 12, also rotates in the same direction.
• the cam 13 faces the pressurized second shaft 5 at the height of the cam opening corresponding to the set position of the standby rod 4, and is brought into contact with the cam with a predetermined force according to the lobe height. A braking force is applied to the lobe between the pressurized second axis.
• a climber who has slid down will stop after having slid down a distance corresponding to the value set by the standby rod.
• scale] 9 panel 5 8 size number (for example, “0” or “7”) should be set to mark ⁇ 8, and the sliding distance is large. 3 ⁇ 4If it is okay, you can set the small number to ⁇ 8.
• the relationship between the scale number on the panel and the braking distance is predetermined at the time of device design or by a test.
• a fastener 74 may be provided in the storage bag 5 # so that the bobbin can be exposed.
• this pickle 80 is fixed to the lower end of the shaft by a shaft 81 made of a hollow metal pipe, a pick 82 at the upper end of the shaft, and a pin 85.
• Spitze 85 having a spitze groove 84 in the middle.
• a rubber support ring 8 ⁇ is fitted on the upper part of the shaft 81, and the lower end of the shaft is replaced.
• a rubber sleeve 88 having a handle 87 is attached to the part.
• the rubber support ring 8 and the rubber sleeve 8 8 have vertical holes (not shown) for passing the rope 9 and vertical slits (not shown) that allow the lobes to enter and leave these vertical holes. ) Are provided], by inserting a pickle lobe ⁇ 9 into these vertical holes], and holding the pickle lobe along the shaft.
• Pickel robe ⁇ 9 The end of the skater is 8 with a savage knot 8 9 (the knot that tightens as the rope is pulled). ? And cover it with a rope protector 90. Due to such a configuration, the pickle mouth extends from the top of the pickle and the climber has the normal pickle in the state shown in Fig.
• the Pickel rope When the Pickel rope is pulled by the weight of the slipper, the Pickel rope is disengaged from the rubber support ring 8 mm and the vertical hole of the rubber sleeve and exerts force on the Spitze groove 84 at the lower end of the Pickel. One bite does not act and the biting force increases. Also, since the pickel rope acts on the spitze groove 84 via the sloppy knot 89, the left and right rotational moments do not act on the shaft 8, so that the posture for securing the tob becomes unstable.
• the guard rod and the pickle mouth pop out of the small bag 7 1, but since the pickle robe is shorter, the pickle lobe is put on the rubber support ring 8 ⁇ and the rubber sleeve 8 before the gas rod becomes tensed. It acts on the spitze groove 84 away from 8, and increases the supporting force of the pickle. During this time, no load is applied to the tob, so the top can be easily secured.
• the braking lobes 19 connected to the sill are fed out from the respective braking devices 100, and the braking rope is extended while being braked by the braking force set on the scale i-58 so that the slipper eventually stops.
• the lobe braking device 100 of this embodiment if the rope braking force is adjusted in advance by the scale J plate, the lobe can be braked by the braking force when the device operates. .
• This load cell 200 is a lobe brake according to the present invention.
• the device 150 the outer shell 101 surrounding this braking device, and the load
• the lobe braking device 150 It consists of a scale plate 103 to be taken.
• the lobe braking device 150 It consists of a scale plate 103 to be taken.
• the second side plate 105 In the embodiment of the first side plate 104, the second side plate 105,
• the pressure shaft 107 is a ball bearing fixed to the support shaft 111.
• the means for holding the plates 104 and 105 apart from each other may also be used.
• the outer shell 101 surrounds the lobe braking device 150 and
• Pointers 102 Fixed to 1 0 1 Pointers 102 are cams with screw members 117 etc.
• a pointer support rod 1 19 extends through the arc-shaped slot 1 18 provided in the side plate 105 and the scale plate 103 to extend between the cam and the pointer.
• the cam lobe height gradually increases up to the cam lobe part B
• the upper part of the braking rope 1 08 ⁇ is based on the weight of the load cell.
• the cam is turned clockwise due to the friction between the cam and the rope.
• the braking force on the moving lobe gradually increases, and the tension and the braking force are flat.
• the cam 107 rotates further in response.
• the more the cam rotates the smaller the distance between the cam and the pressurizing shaft, the more the braking force on the braking rope increases, and the rotation of the cam stops when the braking force and the load balance.
• the increase in the load and the increase in the rotation angle of the cam can be linearly proportional, for example, to the scale shown in Fig. 1 [3]. Since the pointer does not return even if the load is removed from the load application section 110, this load cell is the maximum load cell. After removing the load, the pointer can be easily returned to the “0” position by hand.
• the rope Since the braking rope 108 is deformed by the pressure of the cam and the pressure shaft, when the load cell is used repeatedly, the rope may be made of an elastically deformable material. Teens! ?
• the pressure shaft 107 may be made of rubber with a panel elasticity bias type, and a rope that is difficult to deform may be used.
• Figs. 19 and 20 show another deformation of the load cell. Examples are given below. In the modification of FIG.
• a rope bending axis 21 is also provided to make the extreme
• the cam 10 mm is fixed directly to the force shaft 113
• the cam shaft is rotatably mounted on the side plates 104, 105
• the pointer is fixed to the cam shaft.
• the lower end of the rope 108 is wound around the lobe winding core 122.
• Other configurations are substantially the same as the load cells shown in Figs. 20 is different from that of FIG. 19 in that two braking lobes are inserted between the cam 10 and the pressing shaft 107.
• Other configurations are substantially the same as those in FIG.
• the advantage of this load cell in Fig. 20 is that it is equivalent to the compression of the brake rope. Therefore, the ratio of the measurable load to the compression amount of the braking lobe can be increased.
• the load cells shown in Figs. 1 to 20 are extremely simple in structure and small in size, so they are inexpensive. It goes without saying that a hook or the like for hooking a load can be used instead of the load application section 110 shown in the figure.
• the lobe braking device operates in substantially the same manner as the rope braking device shown in FIGS. 1 to 4 3 ⁇ 4 operates in principle, but has an automatic braking function in addition to the manual braking function, and has a manual It has a configuration that allows automatic selection of automatic. More specifically, in the embodiment shown in FIGS. 21 to 24, the cam 130 fixed to the cam shaft 12 has the lowest portion A of the cam lobe at the rest position shown in FIG. Facing the second shaft 5, in this position the cam 130 and the second shaft do not apply pressure on the braking rope 19 between them.
• the lobe of cam 130 gradually increases in height from point A to clockwise i ?, and at point B the height of the cam lobe becomes maximum. Therefore, as the cam 130 rotates counterclockwise from the position shown in FIG. 21, the distance between the cam 130 and the second shaft 5 becomes narrower, and the braking force on the rope increases accordingly.
• the lever 14 is fixed to the shaft 12 of the cam 130 in the same manner as in Figs. 1 to 7], and the lever 14 is moved to the left (Fig. 21). Can be used to brake the lobe. Since the screw 10 also serves as a stopper for the lever 14, the lever 14 can be rotated to the right from the position shown in FIG. 21.
• the device so ⁇ is a device that automatically keeps the braking force on the lobe within a predetermined range (hereinafter referred to as a speed operating device) 1 ⁇ 0, and this device 1 ⁇ 0 mainly consists of a hydraulic clutch.
• 1 ⁇ 1 is an outward gear that serves as the clutch slave shaft, which is fixed to the force shaft 12.
• 1 12 is the outer ring that serves as the clutch main shaft and also serves as the sprocket wheel. Its center of rotation coincides with the center of the camshaft.
• Reference numeral 5 denotes an inward gear that is coupled to the outward gear 101, is rotatably mounted inside the outer ring 1-2, and its rotation center is eccentric with respect to the center of the cam shaft 12.
• Reference numeral 104 denotes a meson, which is fixed to the outer ring 1 and 2 and has an oil hole (may be a groove) 105.
• the first shaft 4 for bending the rope has a second sub-blocking wheel 1 ⁇ 9 attached to it, and a belt 1 ⁇ 7 extends between the two sprocket wheels 1 ⁇ 2, 1 ⁇ 2.
• the brake port In the mouth brake device 300, when the descender starts descending, the brake port is extended upward, so that the first lobe bending shaft 4 is rotated (left-handed) by frictional force.
• Outer ring 1 ⁇ 2 also rotates counterclockwise. Since the outward gear 1 ⁇ 1 does not rotate at this time, the oil pressure in the oil chamber 1 ⁇ 8 increases. The oil in this room escapes from the holes 1-5, but the oil pressure in this room increases as the rotation speed of the rope bending first shaft 4 increases, and as the oil pressure increases, the outward gear 1--1 moves the outer ring 1-2. The rotation force to rotate to the left increases, and finally the cam 130 starts to rotate in the counterclockwise direction. When the cam 150 rotates, a braking force acts on the lobe 19, thereby reducing the rope feeding speed. As a result, the rotation speed of the rope bending first shaft 4 also decreases, and the hydraulic pressure for rotating the arm leftward also decreases.
• the cam 150 is changed Due to the frictional contact force with the mouthpiece 19, it turns clockwise and weakens the braking force on the rope. Therefore, the lobe feeding speed and the rotation speed of the first shaft also increase again, and the oil pressure in the chamber 1 ⁇ 8 increases again. In this way, the lobe braking force is automatically maintained at a value within the predetermined range, and eventually the descending speed is also automatically maintained within the predetermined range. If you switch to manual operation, you can operate the lever 14 manually, regardless of the automatic operation.If you want to stop, turn the lever 14 to the left counterclockwise. A magnet (not shown) is brought into contact with magnets 1 ⁇ 9 fixed to the side plate. When the levers 1-9 are released from the magnets 1-9, automatic operation is resumed.
• FIGS. 25 to 27 show still another embodiment of the speed actuator.
• the speed actuating device 180 is constituted by a gear pump, and its structure is such that a second side plate 3 is provided with an oil chamber 181, which is shaped like a fin, and in which a driving gear 18 And the driven gear 1 83 are rotatably stored without play, and the oil chamber is filled with oil.
• Drive gear 1 82 is fixed to the rope bending shaft 4, and driven gear 18 5 is camshaft
• the camshaft 12 has a drive rod.
• Reference numeral 1885 denotes a hydraulic holding plate, which is fixed to the second side plate 3 via an oil seal. Hydraulic holding plate
• the horseshoe-shaped recess 187 is provided in 185, and the drive rod 184 is about 150 in this recess. Manual movement is possible.
• Recess 1 87 is the oil chamber 18 1 at the sections 1 88 and 1 89
• the speed actuating device 210 is of the clutch brake type, which is loosely attached to the drive wheel 21 fixed to the lobe bending shaft 4 and to the cam shaft 12.
• the driven wheel 213 connected to the wheel 2 11 1, the brake wheel 2 14 fixed to the cam shaft 12, and three at equal intervals on the circumference of the cam shaft
• the brake piece 2 15 provided, the operating rod 2 16 fixed to the driven wheel, the driven hole 2 17 provided on the brake piece and fitted with the drive rod with appropriate play, the driven wheel and the brake
• a compression spring 218 that is located between the two and presses the brake piece against the brake wheel.

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• Health & Medical Sciences (AREA)
• General Health & Medical Sciences (AREA)
• Business, Economics & Management (AREA)
• Emergency Management (AREA)
• Instrument Panels (AREA)
• Indicating Measured Values (AREA)
• Details Of Measuring Devices (AREA)
• Emergency Lowering Means (AREA)

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• 1983
  • 1983-01-31 JP JP1359583U patent/JPS59118652U/ja active Granted
• 1984
  • 1984-01-31 WO PCT/JP1984/000026 patent/WO1984002850A1/ja unknown
  • 1984-01-31 AU AU24339/84A patent/AU2433984A/en not_active Abandoned

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