EP0284600A2 - Elément de brosse pour brosses cylindriques - Google Patents

Elément de brosse pour brosses cylindriques Download PDF

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Publication number
EP0284600A2
EP0284600A2 EP88890073A EP88890073A EP0284600A2 EP 0284600 A2 EP0284600 A2 EP 0284600A2 EP 88890073 A EP88890073 A EP 88890073A EP 88890073 A EP88890073 A EP 88890073A EP 0284600 A2 EP0284600 A2 EP 0284600A2
Authority
EP
European Patent Office
Prior art keywords
brush
roller
carrier
axis
frame
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.)
Withdrawn
Application number
EP88890073A
Other languages
German (de)
English (en)
Other versions
EP0284600A3 (fr
Inventor
Johann Wachter
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.)
Famag Fahrzeug- und Maschinenhandelsgesellschaft Mbh Nfg Kg
Original Assignee
Famag Fahrzeug- und Maschinenhandelsgesellschaft Mbh Nfg Kg
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 AT74487A external-priority patent/AT392723B/de
Application filed by Famag Fahrzeug- und Maschinenhandelsgesellschaft Mbh Nfg Kg filed Critical Famag Fahrzeug- und Maschinenhandelsgesellschaft Mbh Nfg Kg
Publication of EP0284600A2 publication Critical patent/EP0284600A2/fr
Publication of EP0284600A3 publication Critical patent/EP0284600A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A46—BRUSHWARE
    • A46B—BRUSHES
    • A46B7/00—Bristle carriers arranged in the brush body
    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/02—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt
    • E01H1/05—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes
    • E01H1/056—Brushing apparatus, e.g. with auxiliary instruments for mechanically loosening dirt with driven brushes having horizontal axes

Definitions

  • the invention relates to a device for processing the surface of traffic areas with the aid of a motor-driven roller which can be rotated about an essentially horizontal axis and which carries processing elements which act on its surface on the surface to be processed, the roller being mounted in a carrier the one, preferably the seen in the direction of movement, front end on the frame of the device, which is supported on the traffic surface, preferably by wheels, is pivotally mounted about an axis parallel to the axis of rotation of the roller and the other, preferably its rear end with at least one on the frame the device supported actuator is coupled.
  • DE-B-1 759 622 discloses a roller brush which is supported by a hydraulic power cylinder on a frame connected to a power cylinder. Valves provided in the hydraulic lines to the power cylinder ensure that this power cylinder is acted upon with pressure medium such that the power cylinder relieves the roller brush of the weight of the supporting unit and the roller brush itself. An overflow valve can also be used to measure the pressure in the power cylinder in such a way that only part of the weight is balanced and the roller brush is pressed against the traffic area.
  • DE-B-1 759 622 balances the aforementioned the weight is not achieved by a piston of a pressure medium motor which can be acted upon from two sides.
  • the roller brush is supported by the lever arm carrying it by a pressure medium motor which is only pressurized on one side with pressure medium. An air bubble is assigned to this pressure medium motor so that it acts as an actuator.
  • DE-C-434 407 describes a suspension for a sweeping roller to which a double flat spring is assigned, which has the task of balancing the weight of the roller, for which purpose adjusting screws are provided.
  • GB-C-1 183 575 shows a sweeping device in which the roller brush is supported by pneumatic cylinders and can be lifted off the traffic area. By adjusting the pressure acting on the pneumatic cylinder, the contact pressure of the roller brush against the surface of the traffic area can be adjusted.
  • the invention has for its object to improve the known devices of the type mentioned in such a way that the adjustment of the height orientation of the roller relative to the surface of the traffic surface to be processed is easily possible and that the roller simultaneously acts on the surface with the necessary contact pressure.
  • this object is achieved in that the roller relative to the frame of the device by at least one actuator, which is designed as a pressure medium motor, which can be acted upon with a pressure medium, in particular compressed air with preselectable, constant pressure, at the desired altitude relative to the traffic area to be processed is held that the pressure medium motor serving as an actuator can be acted upon with the pressure medium via a memory for the pressure medium with preselectable, constant pressure, that the end of the carrier, on which the actuator acts, is guided up and down on the frame of the device and that the roller can be tilted about an axis which is perpendicular to its axis and is oriented essentially horizontally.
  • two actuators acting in opposite directions are provided, which are designed as pressure medium motors (or as a double-acting pressure medium motor), a particularly simple adjustment of the roller is possible.
  • the pressure medium motor acting from bottom to top presses the roller from bottom to top and thus first determines the height of the roller relative to the frame of the device and thus to the traffic area.
  • the pressure medium motor that acts simultaneously on the roller from top to bottom brings about the final height alignment of the roller and the combination of both pressure medium motors ultimately keeps the roller in a floating position when working on the traffic area.
  • the roller With the device according to the invention it is thus possible to keep the roller fully movable in any desired immersion depth, regardless of its chassis, so that the roller can adapt very well to surface unevenness and the risk of undesired destruction of the surface, e.g. B. if only deposits are to be removed from it, is avoided. Even when removing traffic areas, a uniform removal depth is ensured due to the design of the device according to the invention.
  • the memory provided according to the invention serves to keep the contact pressure constant even in the event of uneven floors, so that the set floating position of the roller is maintained even when driving over uneven floors. This effect is explained below:
  • a further improvement in the adaptation of the roller of the device according to the invention to unevenness in the traffic area compared to the sweeping rollers contained in the prior art results from the fact that the roller can be tilted about an axis perpendicular to its axis.
  • This additional tiltability of the roller transversely to its axis of rotation, i. H. transverse to its direction of movement over the traffic area to be processed the roller is movably supported in all directions according to the invention and nevertheless maintains the desired height orientation relative to the surface of the traffic area to be processed.
  • the actuator (s) which carry the roller is (are) designed as a pressure medium motor which is acted upon by pressure medium (compressed air) with the interposition of a memory for the pressure medium, there is the advantage that Setting faster and easier than, for example, when using coil springs.
  • the invention further relates to a roller brush for working on traffic areas, in particular to cover surfaces such as dirt, snow, ice, paint, rubber abrasion or the like from the surface thereof. to be removed, with a brush core, on which, if necessary, processing elements provided on holding parts are fastened via holders provided on the outer circumference of the brush core, if necessary, so as to be pivotable about axes parallel to the brush axis.
  • Round brushes (roller brushes) are known in a wide variety of embodiments.
  • the bristle tufts are articulated on an essentially cylindrical carrier body (brush core), with no preferred pivot axis of the bristle tufts.
  • DE-C-286 512 shows a round brush, in which the tufts of bristles are attached to the brush body so that they can pivot in all directions.
  • DE-C-352 183 describes a round brush serving as a matte brush, in which tufts of bristles are attached to a carrier part so that they can be pivoted in any direction over several rings.
  • a roller brush for track construction machines is known from Austrian patent application 100/84 published on February 15, 1985, in which tubular broaching arms are attached to the brush core by a Kelmm screw connection.
  • the tubular clearing arms are to be made of flexible material and have at their radially outer end no configuration preventing increased wear.
  • the bristle tufts are not movably supported about defined pivot axes.
  • roller brushes A disadvantage of all these known roller brushes is that comparatively long bristles (processing elements) are used which are designed to be correspondingly elastic and therefore not very wear-resistant.
  • the known round brushes have the disadvantage that a compromise between abrasion resistance and the elastic properties of the bristles required for the intended use of the round brush must be sought when selecting the material for the bristles.
  • Holding parts for machining elements of roller brushes are known from EP-A 0 172 157.
  • the invention has for its object to provide a roller brush to which the processing elements or their holding parts, in particular holding parts of the type known from EP-A 0 172 157, can be easily attached, the brush elements or the processing elements provided on holding parts of such roller brushes should be easy to replace. The replacement of the processing elements becomes necessary after the wear thereof or when the equipment of roller brushes is to be adapted to the particular application of the roller brush.
  • This roller brush should be able to be used advantageously in a device according to one or more of claims 1 to 24.
  • brackets are designed as retaining strips running in the longitudinal direction of the axis of the roller brush, which are connected to the radially outer circumferential surface of the brush core by screws, gluing, welding or the like.
  • the holders are not used in axially parallel grooves of the roller brush, but are simply provided on their outer peripheral surface. This considerably simplifies the replacement of the processing elements because the fastening points of the holding strips or the connection between the holding strips and the processing elements are more accessible.
  • the roller brush according to the invention there is a much simpler construction of the brush core thereof, because longitudinal grooves in the outer peripheral surface thereof are no longer required.
  • the retaining strips are detachably connected to the brush core by means of screws, the screws preferably being Allen screws with lock nuts.
  • a particularly good fit of the holding strips on the roller core is achieved if the holding strips have surfaces which are concave and lie on the brush core in accordance with the curvature of the brush core. It is preferably provided that the radius of curvature of the surface of the retaining strips resting on the brush core is smaller than the radius of the outer peripheral surface of the brush core. This configuration ensures a particularly secure and play-free connection between the holding strips and the brush core, without it being necessary that the radii of curvature of the surface of the holding strips resting on the roller core must correspond exactly to the curvature of the outer surface of the brush core.
  • the holding strips have outwardly facing, spaced-apart projections, the holes aligned parallel to the axis of the roller brush for receiving an attachment axis for the processing elements have elements or their holding parts.
  • this embodiment achieves a particularly simple connection between machining elements or their holding parts and the brush core, in which the machining elements can be pivotally held about axes parallel to the axis of rotation of the brush.
  • an axially outermost extension of the retaining strip from the outside, essentially U-shaped bracket is provided at one end of the fastening axis and that a threaded part and a nut screwed onto it are provided at the other end of the fastening axis.
  • This configuration ensures that the fastening axis is connected to the holding strip in a particularly secure manner and, moreover, a simple connection between the holding strip and the fastening axis is achieved.
  • mutually adjacent retaining strips are connected to the brush core in the longitudinal direction of the same. This embodiment achieves in a particularly simple manner that the processing elements fastened to adjacent holding bars are arranged offset in the direction of the axis of the roller brush, which is of particular advantage for the effectiveness of the roller brush (see also AT-B-366 126). .
  • roller core of the roller brush according to the invention is not primarily essential for the invention. However, it is preferred if the brush core is designed as a continuous tube.
  • This embodiment which allows a special stability of the roller core and thus a correspondingly weaker dimensioning of the holding strips, is preferably characterized in that longitudinal grooves are provided on the inner surface of the brush core, into which grooves provided on a drive shaft for the roller brush are provided. engage longitudinal ribs.
  • the brush core is formed by spaced rings.
  • the retaining strips are screwed directly to the rings.
  • the rings are connected to one another by longitudinal connecting strips, the holding strips lying on the radially outer surfaces of the connecting strips being connected to them.
  • roller brush or its brush core to the drives and bearings assigned to it
  • couplings for connecting the same to a drive motor or the bearings of the roller brush can be provided on the end faces of the brush core.
  • the roller brush can be pushed onto a correspondingly dimensioned drive shaft equipped with driving elements that ensure a positive connection to the core of the roller brush.
  • the invention further relates to a brush element with a processing element, which is connected via a holding part to the brush core of a roller brush, the processing element being fastened to the holding part in a slot in a radially outer head of the holding part.
  • This brush element is characterized in that the processing element is a plate made of hard material, for. B. hard metal, which is fastened in a substantially fork-shaped carrier, for. B. is soldered, which is connected to the head of the holding part.
  • the slot provided in the head of the holding part is undercut and the part of the processing element inserted into the slot is correspondingly positioned opposite one another. This improves the hold of the processing element in the holding part. It is preferred that the part of the processing element inserted into the slot has a rib pointing forward in relation to the direction of rotation.
  • the brush element according to the invention is preferably characterized in that the carrier is connected to the head of the holding part by at least one screw, a rivet or the like.
  • the stress on the screw or the like can be reduced according to the invention in that the shaft of the screw, rivet or the like which fixes the machining element in the head of the holding part has a smaller diameter than the hole in the machining element.
  • the brush element according to the invention will be designed so that the forked part of the carrier, in which the machining element made of hard material is received, protrudes over the head of the holding part.
  • the brush element according to the invention is characterized in that the carrier is asymmetrical in side view, the plate serving as the processing element being arranged symmetrically essentially to the plane of the surface of the carrier from which the cranked tine part extends.
  • the processing element is arranged obliquely in the carrier, preferably with a free edge pointing obliquely forward with respect to the direction of rotation.
  • the machining element is intended for ablative machining (e.g. to remove rubber debris), it is advisable to make the front surface of the carrier of the machining element concave in relation to the direction of rotation.
  • FIGS. 1 to 5 The embodiment of the device according to the invention shown in FIGS. 1 to 5 has a frame 1 which is supported by a rear pair of wheels 1 and a pair of front, steerable wheels 3 on the surface 4 of the traffic area 5 to be processed.
  • the steerable front wheels 3 are connected to the frame 1 via an auxiliary frame 6, for which purpose sockets 7 are connected to the substantially L-shaped auxiliary frame 6 through which plug bolts 8 are inserted.
  • the socket pins 8 also pass through tabs 9 and 10 which are attached to the frame 1.
  • connection points 14 and 15 for push rods via which the device with the front axle removed (subframe 6 with the parts built thereon) or with the drawbar 12 removed, can be connected to a lifting mechanism which is provided on a push vehicle.
  • the device according to the invention projects freely from the rear wheels 2, which run on the surface 4 of the traffic area 5, and is held by the push vehicle via the connection points 14 and 15.
  • This variant has the advantage that the device runs over its rear wheels 2 on the surface of the traffic area 5 that has already been processed. This type of use will be used when there are strong uneven floors, such as. B. frozen snow on traffic areas. If only the drawbar 12 is removed, the device runs on all four wheels 2 and 3, the front wheels 3 being self-steering as trailing wheels.
  • a roller 16 is mounted rotatably about an axis 17 via a carrier 18 and can be driven by a drive motor, not shown, for example a hydraulic motor.
  • a drive motor not shown, for example a hydraulic motor.
  • a counterweight can be arranged on the carrier 18 on the side opposite the drive motor.
  • the carrier 18 consists of two essentially vertically aligned plates 19 which are arranged on both sides of the roller 16 and which are rigidly connected to one another via sheets formed as roller boxes 40, and is mounted such that they can pivot about an axis 20 relative to the frame 1.
  • the carrier 18 is supported in the area of the rear wheels 2 on the frame 1 by a double-acting pressure medium motor 21.
  • the free end of the piston rod 22 of the pressure medium motor 21 engages on a link 23 which is mounted so as to be pivotable up and down about an axis 24 provided between the uprights 13.
  • the pressure medium motor 21 is in turn render between the uprights 13 on the frame 1 supports.
  • the free end of the link 23 is connected via an arm 25 pivotally connected to it to a crossbar 26 connecting the two plates 19 of the carrier 18.
  • the arm 25 is articulated both to the handlebar 23 and to the crossbeam 26, ie to the support 18.
  • the carrier 18 is guided over sliding blocks 27 provided on its two plates 19 in slot guides 28 provided on the uprights 13.
  • the roller 16 By acting on the piston in the hydraulic motor 21 from below, i. H.
  • the roller 16 can be lifted via its connection 29.
  • a counter pressure is built up in the pressure medium motor 21, which is a double-acting pressure medium motor, via its connection 30, so that the roller 16 is held resiliently in the selected height position relative to the surface 4 of the traffic area to be processed.
  • the pressure medium motor 21 is preferably acted upon by a gaseous pressure medium, the pressure medium being supplied via a storage for the pressure medium (accumulator) with preselectable, constant pressure, so that the pressure medium motor 21, like the combination of one from bottom to top and one from top to bottom acting actuator acts and holds the roller 16 in the floating position described.
  • roller 16 is in the frame 1 about a substantially perpendicular to its axis 17, substantially horizontal, i. H. parallel to frame 1, aligned axis pivotable.
  • the articulated connection 31 between the handlebar 23 and the arm 25 and / or the connection between the arm 25 and the carrier 18 is equipped with appropriate play or it is the joints 31 and / or 32 as Ball joints trained.
  • the support of the front end of the carrier 18 with respect to the frame 1 is carried out by means of arms 33 which project freely at an angle upwards and are arranged on both longitudinal beams of the frame 1 of the device.
  • a length-variable support for example a screw spindle 34, projects upward from the free ends of the arms 33.
  • Ball joints 35 are provided for connecting the screw spindles 34 and the two front ends of the plates 19 of the carrier 18, with stub axles 37 in bores in the balls of the ball joints 35 (see FIGS. 4 and 5), which are connected to the plates 19 of the carrier 18 are connected, are slidably received in the direction of their axis.
  • the stub axles 37 are so movably attached to the plates 19 of the carrier 18 of the roller 16 that they can be inclined from their position perpendicular to the plates 19. This movable attachment can be achieved by means of elastic washers or by the embodiment of the attachment of the axle stub 37 shown in FIG. 5. In the embodiment shown in FIG. 5, the stub axles 37 are mounted in the plates 19 of the carrier 18 via pivot bearings 41.
  • the front support of the carrier 18 of the roller 16 can also be designed as shown in FIG. 6.
  • a crossbar 42 is provided as a shaped tube, which is connected at both ends to the plates 19.
  • the crossbar 42 passes through a ball joint 43 which is arranged at the upper end of an adjusting spindle 44.
  • the lower end of the adjusting spindle is supported by a cross member 45 and the arms 33 on the frame 1 of the device.
  • the point of engagement of the adjusting spindle 44 on the carrier can be arranged off-center.
  • roller 16 can tilt in connection with the articulated suspension of the carrier 18 in the region of the rear axle 2 about an axis oriented transversely to its axis of rotation 17.
  • FIG. 7 Another embodiment of the front support is shown in Fig. 7, in which the spindle 44 is supported on a bracket attached to the subframe 6 via a fork.
  • the auxiliary frame 6 with the attachments attached to it is not removable.
  • the device can meet the respective requirements when it is used to remove deposits, such as dirt, snow, ice, paint, rubber abrasion or the like, from the surface of traffic areas or the like self-roughening, leveling, removing etc. (e.g. asphalt or concrete pavement), can be adjusted by horizontal and vertical adjustment.
  • the piston in the pressure medium motor 21 is acted on from below and lifts the roller 16. Subsequent action on the piston from above via the connection 30 of the pressure medium motor 21 lowers the roller to the desired height of its axis 17. Due to the forces of the actuators acting on the roller when the device is used the roller 16 is resiliently held in a floating position.
  • roller 16 rigidly with respect to the frame 1 of the device, in that the pressure medium motor 21 is acted on in such a way that the sliding blocks 27 rest in the slot guides 28 at the upper or lower end of the slots.
  • a single-acting pressure medium cylinder 50 is used to support the rear end of the frame 1 of the device, then this can, as shown in FIG. 9, via a pressure accumulator 51 with a pressure gauge 52 from a compressed air source be supplied with compressed air.
  • the pressure medium cylinder 50 is usually pressurized with compressed air so that when the roller brush 16 is stationary, the sliding blocks 27 just touch the lower end of the slot guides 28. As soon as the roller brush 16 is set in rotation, its carrier 18 lifts up under the effect of the processing elements acting on the surface to be processed. If the penetration depth of the roller brush is to be changed, this can be achieved by changing the pressure of the compressed air acting on the pressure medium motor 21.
  • the embodiment of the device according to the invention shown in FIG. 8 has three roller brushes 16, which are mounted in a frame 55 via supports 18, the La tion corresponds to the mounting of the carrier 18 in the frame 1.
  • One of the carriers 18 can be displaced via an auxiliary frame 56 in the frame 55 in the direction of the axis of rotation 17 of the roller brush 16. So this roller brush 16 can be arranged exactly in front of one of the other two roller brushes 16, so that double processing is possible in one operation.
  • a roller brush 101 shown in FIG. 10 comprises a roller core 102 which is designed as a tube running through the length of the roller brush 101 and which on its inner surface has, for example, four grooves 104 running parallel to the longitudinal axis 103 of the roller brush 101.
  • a drive and mounting shaft, not shown, is inserted into the brush core, for example, which has ribs corresponding to the grooves 104 on its outer circumference in order to ensure a positive connection between the drive shaft and the roller brush 101.
  • the number of retaining strips 106 arranged uniformly distributed over the circumference of the brush core 102 is largely arbitrary and depends in particular on the diameter of the roller brush 101 and its intended use.
  • Each retaining strip 106 has projections 107 which are distributed radially outward over its length and are uniformly distributed. Holes 108, through which a rod-shaped fastening axis 109 is inserted, are provided in the lugs 107 of the holding strips 106, parallel to the axis 103 of the roller brush 101.
  • the surface 110 of the retaining strip resting on the outer circumferential surface 105 of the brush core 102 is, as indicated by the dashed line 110 'in FIG. 12, preferably concavely curved, the curvature
  • the surface 110 is in particular somewhat smaller than the radius of curvature of the outer peripheral surface 105 of the brush core 102.
  • the fastening axis 109 on which, for example, the holding parts for machining elements known from EP-AO 172 157 or the brush elements described below with reference to FIGS. 15 and 16 are fastened, has at one end a grip around the outermost extension 107 of each holding strip 106 , essentially U-shaped bracket 111 aug. With this bracket 111, the mounting axis 109 is rotatably connected, for. B. riveted. At the other end, the fastening axis 109 is provided with a thread, not shown, onto which a nut can be screwed in order to fix the fastening axis 109 on the retaining strip 106.
  • the brush core can also be formed by spaced rings 112, which likewise have grooves 104 on their inner surface.
  • the holding strips 106 can be screwed directly to the rings 112 which form the brush core (FIG. 13, upper half) or connecting strips 113 are provided on the rings 112, which lie on the outside and which are connected to the rings 112 are screwed. The holding strips 106 are then screwed to the connecting strips 113 in the embodiment shown in FIG. 13, lower half.
  • FIGS. 10 and 13 The screws which connect the holding strips 106 to the tubular brush core 102 or to the rings 112 forming a brush core or the connecting strips 113 to these rings 112 and the holding strips 6 to the connecting strips 113 are shown in FIGS. 10 and 13 by dash-dotted lines are indicated and are preferably Allen screws onto which locking nuts are preferably screwed radially on the inside.
  • FIG. 14 A brush element, which can preferably be used in connection with the roller brush 101 described with reference to FIGS. 10 to 13, is shown in FIG. 14.
  • this brush element 114 has a head 115 and a shaft 116, which at its (radially inner) end has a holder 117 with a bore 118, which is used to receive the fastening axis 109, i. H. is intended for connection to the brush core 102 (or 112) of the roller brush 101 according to the invention.
  • the direction of rotation of the roller brush 101 is indicated in FIG. 14 by the arrow 119.
  • a slot 121 which is open towards the free end of the head 115 and in which a machining element 120 is fastened with the aid of a screw 122.
  • the processing element 120 comprises a carrier 123, which is fork-shaped in its area protruding above the head 115 of the holding part 114 and a plate 124 made of hard material, e.g. Carbide, picks up.
  • the plate 124 is inserted in the carrier 123 so that it is arranged symmetrically to the surface 125 of the carrier 123 from which the cranked prong 126 of the fork-shaped part of the carrier 123 extends.
  • the brush element 114 is pivotally or rigidly attached to the retaining strip 116 (more or less far).
  • the part of the carrier 123 inserted into the slot 121 of the head 115 is profiled by arranging a rib 130.
  • the slot 121 is also profiled in these embodiments, i.e. undercut trained.
  • Other cross-sectional shapes of the slot 121 are also possible. So this can be undercut by an L, T, V-shaped shape.
  • the plate 124 made of hard material in the embodiments of FIGS. 15 and 16 is oriented obliquely to the longitudinal extent of the holding part 114, the free end of which, relative to the direction of rotation (arrow 119) of the roller brush 101, points forward.
  • front surface 133 of the carrier 123 can, as shown in FIG. 16, be curved in a concave manner.
  • the hole 132 in the bracket 123 has a larger diameter than the shaft 131 of the fastening screw 122 (or rivet), so that there is play between the shaft 131 and the hole 132.
  • the carrier 123 of the processing element 120 has a shoulder 134, via which the carrier 123 is supported on the head 115 of the holding part when the processing element hits the surface to be processed.
  • the shoulder 134 is provided on the rear side of the carrier 123 in relation to the direction of rotation (arrow 119) of the roller brush 101.
EP88890073A 1987-03-23 1988-03-23 Elément de brosse pour brosses cylindriques Withdrawn EP0284600A3 (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
AT686/87 1987-03-23
AT68687 1987-03-23
AT744/87 1987-03-26
AT74487A AT392723B (de) 1987-03-26 1987-03-26 Walzenbuerste

Publications (2)

Publication Number Publication Date
EP0284600A2 true EP0284600A2 (fr) 1988-09-28
EP0284600A3 EP0284600A3 (fr) 1989-08-23

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP88890073A Withdrawn EP0284600A3 (fr) 1987-03-23 1988-03-23 Elément de brosse pour brosses cylindriques

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Country Link
US (1) US4891858A (fr)
EP (1) EP0284600A3 (fr)

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DE102010034591A1 (de) 2010-08-17 2012-03-08 Norbert Kügler Aufnahmevorrichtung für Bürsteneinrichtungen
CN111877245A (zh) * 2020-08-04 2020-11-03 安徽锦富清洁有限公司 一种道路清洁用快速破冰扫雪刷

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EP0121118A2 (fr) * 1983-03-08 1984-10-10 Walter Droeser Brosse cylindrique pour balayeuses
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FR484815A (fr) * 1917-03-02 1917-11-13 William Thomas Blaney Support à glissière pour balayeuses rotatives
GB706103A (en) * 1950-01-04 1954-03-24 Materiel De Voirie Improvements in or relating to sweeping machine suspension and driving gears
DE1026771B (de) * 1954-10-13 1958-03-27 Streicher Fa M Vorrichtung zum Heben und Senken eines an einem Fahrzeug angelenkten Arbeitsgeraetes
DE1210409B (de) * 1961-09-19 1966-02-10 Herbert Schmidt Buerste mit maschinell in Umlauf setzbarem endlosem Band als Besteckungstraeger
GB1183575A (en) * 1966-06-21 1970-03-11 Johnston Brothers Eng Improvements in Ground Sweeping Vehicles
FR1570801A (fr) * 1967-05-26 1969-06-13
DE3023745A1 (de) * 1979-06-27 1981-01-15 Walter Droeser Kehrmaschine
DE3112096A1 (de) * 1980-04-09 1982-02-25 Johann Wachter "buerstenelement fuer walzenbuersten von kehrmaschinen fuer verkehrsflaechen"
EP0180251A2 (fr) * 1982-09-30 1986-05-07 Fmc Corporation Système de débris pour dispositif de balayage des rues
EP0121118A2 (fr) * 1983-03-08 1984-10-10 Walter Droeser Brosse cylindrique pour balayeuses
US4484373A (en) * 1983-03-29 1984-11-27 Price John G Sweeper bristle element
EP0123549A2 (fr) * 1983-04-25 1984-10-31 George E. Long Balai pour graders
US4498210A (en) * 1983-11-30 1985-02-12 Drumm Arthur E Brush bristle unit for brush rolls
EP0172157A2 (fr) * 1984-08-06 1986-02-19 Famag Fahrzeug- und Maschinenhandelsgesellschaft m.b.H. Nfg. KG. Elément de support pour organes de travail d'une brosse cylindrique

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DE102010034591A1 (de) 2010-08-17 2012-03-08 Norbert Kügler Aufnahmevorrichtung für Bürsteneinrichtungen
CN111877245A (zh) * 2020-08-04 2020-11-03 安徽锦富清洁有限公司 一种道路清洁用快速破冰扫雪刷

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EP0284600A3 (fr) 1989-08-23

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