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WO1993017546A1 - Dispositif de coupe mecanique pour une surface ou pour une pluralite d'objets se presentant sous forme de tiges - Google Patents

Dispositif de coupe mecanique pour une surface ou pour une pluralite d'objets se presentant sous forme de tiges Download PDF

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Publication number
WO1993017546A1
WO1993017546A1 PCT/CH1993/000054 CH9300054W WO9317546A1 WO 1993017546 A1 WO1993017546 A1 WO 1993017546A1 CH 9300054 W CH9300054 W CH 9300054W WO 9317546 A1 WO9317546 A1 WO 9317546A1
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WO
WIPO (PCT)
Prior art keywords
cutting tool
cutting
pin
bolt
opening
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.)
Ceased
Application number
PCT/CH1993/000054
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German (de)
English (en)
Inventor
Helmuth Umbehr
Bühler GODY
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of WO1993017546A1 publication Critical patent/WO1993017546A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/42—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
    • A01D34/52—Cutting apparatus
    • A01D34/535—Cutting apparatus with cutting members pivotally attached to the rotating axle, e.g. flails
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44C—PRODUCING DECORATIVE EFFECTS; MOSAICS; TARSIA WORK; PAPERHANGING
    • B44C7/00—Paperhanging
    • B44C7/02—Machines, apparatus, tools or accessories therefor
    • B44C7/027—Machines, apparatus, tools or accessories for removing wall paper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/16—Implements or apparatus for removing dry paint from surfaces, e.g. by scraping, by burning
    • B44D3/162—Scrapers
    • B44D3/164—Scrapers comprising blades

Definitions

  • the invention relates to the processing of surfaces to be cleaned, the preparations for the removal of wallpaper or other surface layers, the production of grooves, grooves, etc. in surfaces of objects, and also to the cutting of grasses, bushes, bushes, the mowing of grass and lawn and other vegetable objects.
  • the invention relates to a device for the mechanical processing of a surface or a plurality of shaft-shaped objects, which comprises a drive mechanism which mediates a rotational movement and at least one shaft and a rotating body and at least one rotating mass force in its normal operating state in its Position exists within certain limits with evasion possibilities essentially certain flat knife-like cutting tool.
  • Machines and devices for perforating and tearing open wallpaper, for breaking and roughening surface zones and milling or scratching grooves and grooves in the latter are known in numerous embodiments. They are used primarily in repair, maintenance and remodeling work in the building industry, in architecture, in large-area painting and wallpapering, and in general construction.
  • Devices are in use which perforate water-impermeable wallpaper at points by means of sawtooth-like tools or straight or inclined spiked rollers in order to allow the solvent subsequently applied to soften and dissolve the glue lying under the wallpaper.
  • the same is intended by machine or hand-held devices in the form of tear hooks with a curved blade for the production of furrows and cracks which are intended to smooth the way under the wallpaper for the liquid.
  • Machines are also known which are used for breaking, scoring, loosening and cutting in surface layers. These are usually equipped with circular saws or milling cutters, the depth of which can be adapted to the conditions using a variety of adjustment mechanisms.
  • the invention is based on the object of specifying a device for mechanical processing of a surface or a plurality of shaft-shaped biological objects which, while maintaining the optimum effect of the processing sought in each specific application, has the longest possible service life of the tool subject to wear, as far as possible Protection of the latter when an obstacle occurs in the form of a hard disruptive foreign body lying in the surface zone of the object to be processed, and the smallest possible reaction to the operation of the device such as blows, bruises, vibrations, lifting etc. is ensured by said obstacle. Likewise, if such an obstacle occurs, the surface of the object to be processed itself should not be damaged as far as possible.
  • the device should be accessible for a variety of uses and should be simple and inexpensive in construction.
  • the cutting tool has an elongated shape in the radial direction and is provided at its outer end with a tangentially acting cutting edge, while at its inner end there is an opening into which a bolt can play of the rota- intervening body for transmitting the rotational movement, such that the cutting tool has the ability to perform a full rotary movement of 360 ° around the bolt axis, so that when the cutting edge hits an insurmountable obstacle that cannot be cut through in the form of an object to be machined Hard foreign matter embedded in the material dodges the cutting tool in the tangential or tangential and / or radial direction, damage to the material to be processed or the cutting tool or the entire device being avoided.
  • 1 is a schematic representation in side elevation / cross section * of the principle of the device with the kinematics on which it is based,
  • FIG. 3 shows a perspective illustration of an embodiment of the rotating part of the device with roller
  • 4 is a perspective view of an embodiment of the rotating part of the device with several disks
  • 5 shows a perspective illustration of an embodiment of the rotating part of the device with a disk
  • FIG. 6 shows a schematic side elevation / section of an embodiment of a device with elastically mounted runners
  • FIG. 7 is a perspective view of an embodiment of the vertical-axis rotating part of the device for cutting shaft-shaped objects
  • FIG. 8 shows a schematic illustration in side elevation / cross section of the principle of the device with a double joint and with the kinematics on which it is based
  • FIG. 9 shows a schematic illustration in side elevation / cross section of a suspension of the cutting tools with a double joint and compensating lever.
  • Fig. 1 is a schematic representation in side elevation / cross section of the principle of the device with the kinematics on which it is based. 1 shows the shaft of the drive mechanism in profile.
  • 2 is the associated rotating body, the direction of rotation of which is indicated by an arrow in the counterclockwise direction.
  • 3 is an axially arranged bolt which is seated eccentrically on the reaction body 2 and which carries the cutting tool 4 with the cutting edge (knife, blade) 5. The latter is thrown outwards by the centrifugal force during operation so that its longitudinal axis comes to a radial standstill.
  • 6 is an opening in the cutting tool 4, which different dimensions and shapes with respect to the cross section of the Bolt 3 can have.
  • the cutting edge 5 penetrates straight to the interface between the layer of the surface 8 and the base body 7.
  • 9 represents a comparatively hard foreign body which presents the cutting edge 5 as an obstacle during the machining process.
  • the cutting tool 4 is forced to dodge and swings against the rotational movement of the rotating body 2 in the direction of the dashed arrow, rotating around the bolt 3.
  • the cutting tool 4 can basically perform a full circular movement of 360 around the bolt 3.
  • 2 relates to a schematic representation of the various forms of suspension of the cutting tool on the rotating body.
  • 1 is the shaft of the drive mechanism in profile
  • 2 is the corresponding rotary body which carries the cutting tools 4.
  • 6a is a circular opening in the cutting tool 4, which has comparatively little play, so that when the latter hits an obstacle, it is tangential with bolts 3 in the rotating body as the fulcrum.
  • 6b shows an opening which is an elongated hole (radial longitudinal - Slit is formed parallel to the longitudinal direction of the cutting tool 4).
  • 6c is a triangular opening in the cutting tool 4 and 6d is an elliptical opening with its longitudinal axis parallel to the longitudinal direction of the cutting tool 4.
  • 6e (not shown) relates to an elliptical opening with its longitudinal axis oblique to the longitudinal direction of the cutting tools 4 and 6f (not shown) an oblique longitudinal slit as an opening.
  • the shapes 6b, 6c, 6d, 6e and 6f of the opening in the cutting tool 4 allow both a tangential and a radial deflection of the cutting tool 4 upon impact with an obstacle. Care is taken that the respective play between the opening 6 and the bolt 3 is not too large in order to avoid vibrating, rattling or bouncing the device during operation.
  • Fig. 3 shows a perspective view of an embodiment of the rotating part of the device with roller.
  • 1 is the shaft of the drive mechanism on which the rotary body 2 designed as a roller 10 sits.
  • the roller 10 has a number of radially incised grooves (11) which carry the cutting tools 4 (shown here only schematically without a profile of the cutting edge).
  • the roller 10 is equipped with an axially continuous pin 3. The latter is made clearly visible in the broken out frontmost disk-like part of the roller 10.
  • Several cutting tools per groove 11 are also conceivable. Both measures are desirable in the interest of increasing the performance of the cutting tools 4 and the mass balance. In the present case, these representations have been omitted in the figure in the interest of clarity.
  • the schematic representation is intended to emphasize the principle.
  • Fig. 4 relates to a perspective view of an embodiment of the rotating part of the device with several disks.
  • shaft 1 of the drive mechanically, several coaxial circular disks 12 are seated, each separated by an intermediate space 13.
  • the cutting tools (only shown schematically) are rotatably mounted on a continuous bolt 3.
  • the disks 12 are shown greatly apart, so that the intermediate space 13 appears exaggeratedly wide. In reality, the interstices 13 are only narrow (see groove 11 in FIG. 3). Otherwise, the statements made under Figure 3 apply in full.
  • FIG. 5 shows a perspective representation of an embodiment of the rotating part of the device with a disk.
  • the reference numerals 1 to 6 correspond to those of FIG. 1.
  • the single disk 12 is wedged on the shaft 1, which carries the cutting tools 4 with their sharp-edged blades (blade) 5 on each side on two diametrically opposed axial bolts 3.
  • the opening 6 in the cutting tool 4, which is larger than the diameter of the bolt 3, is shown in an exaggerated size in order to make the play and the radial displacement outward caused by the centrifugal forces visible.
  • FIG. 6 shows a schematic side elevation / section of an embodiment of a device with elastically mounted runners.
  • the left half of the picture refers to a vertical section perpendicular to the axis of the drive mechanism, the right half of the picture to a side view of the device.
  • the shaft of the drive mechanism is seen from the profile, 2 the rotating body, 3 the bolt in the latter and 4 the cutting tool with its cutting edge 5.
  • This rotating part of the device is mounted in a frame which is essentially consist of a table 14 with downwardly projecting eyes with offset bores for straight guidance of the runners 16.
  • the latter are guided by means of the cylindrical, also stepped rods 15 and are pressed elastically onto the surface to be machined by means of the coil springs 17.
  • the spring preload is set with the clamping nuts18 designed as threaded rings.
  • the maximum achievable spring travel is limited by the deposits acting as a stop in 14 and 15. The limitation prevents the inner runners from being cut or scuffed by the cutting tool 4.
  • Fig. 7 shows a perspective view of an embodiment of the vertical-axis rotating part of the device for cutting shaft-shaped objects
  • the reference numerals 1, 3, 4, 5 correspond exactly to those of Fig. 1.
  • the circular disc 12 At the lower end of the vertical-axis shaft 1 of the drive mechanism is the circular disc 12, which carries the downwardly projecting bolts 3 at 3 points, each offset by 120 °, in the vicinity of its circumference.
  • On each bolt 3 loosely hangs a cutting tool 4 lying in the horizontal plane, which is held in a radial position by the centrifugal force during rotation.
  • the direction of rotation of the disk 12 is indicated by an arrow.
  • the cutting tool 4 is formed on its front edge as a striking knife with a sharp cutting edge 5 for cutting shaft-shaped objects such as grass, stalks, comparatively thin stems of bushes, bushes etc., its dimensions, in particular its radial length, being adapted to the intended use is.
  • the cutting edge 5 (blade) is made comparatively long.
  • Fig. 8 is a schematic representation in side elevation / cross section of the principle of the device with double joint and with the kinematics on which it is based. 1 represents the shaft of the drive mechanism seen from the front side. 2 is a rotating body which is wedged onto it and whose direction of rotation is indicated by an arrow.
  • An eccentrically and axially arranged bolt 3 is seated in the rotating body 2 and carries an elongated lamella 19 which is oriented radially by the centrifugal force via the opening 20. This in turn has at its end remote from the center of rotation a pin 21 on which the cutting tool 4 hangs. This is equipped with the cutting edge 5 in the form of a blade on its part which is adjacent to the circumference and is at the front in the direction of rotation.
  • the reference numerals 7 for the base body, 8 for the surface to be machined and 9 for the foreign body acting as an obstacle to the machining correspond exactly to FIG , which is indicated by corresponding angular displacements and arrows. Rotational movements are carried out around the bolt 3 or the pin 21.
  • FIG. 9 shows a schematic illustration in side elevation / cross section of a suspension of the cutting tool double joint and compensating lever.
  • 1 is the shaft of the drive mechanism, which carries the rotary body 2, which has at its front end a central pin 25 as a fulcrum for the compensating mechanism and a bolt 3 at two diametrically opposite points.
  • an elongated lamella 19 is articulated via an opening 20, which in turn is provided with a pin 21 on the outside and a pin 22 on the inside at its ends.
  • a cutting tool 4 with its cutting edge (blade) 5 is attached to each pin 21 via an opening 6.
  • the reference numerals 7, 8 and 9 correspond exactly to those in FIG. 1.
  • a compensating lever 23 with a central opening 24 and with elongated holes 26 located at the ends is arranged coaxially to the rotating body 2.
  • Each of these elongated holes 26 engages in an internal pin 22 each with a lamella 19. If a cutting tool 4 strikes a foreign body 9, it is thrown tangentially backwards in the sense of the direction of movement and entrains the corresponding lamella 19. The relative displacements are indicated by dashed arrows.
  • the compensating lever 23 Due to the angular displacement of the lamella 19, the compensating lever 23 is deflected in the sense of the direction of rotation via the pin 22 and the elongated hole 26, which results in a symmetrical deflection of the opposite lamella 19. In this way, a balancing of the mass forces is accomplished and the opposite cutting tool 4 is at least briefly prevented from hitting the foreign body 9. As a result, tool wear can be kept to a minimum and rattling or vibrating can be avoided. 9 the position of the elements 4, 5, 6, 19, 20, 21, 22, 23, 24, 26 in the deflected state is shown partially broken in a side view. The size the deflection angle of the lamella 19 is limited by the length of the elongated hole 26 in the compensating lever 23.
  • Embodiment 1 See Figures 1, 2 and 3!
  • the machine for surface processing is an electromechanically driven device for tearing open or cutting open water-impermeable wallpapers for the purpose of detaching them from the wall.
  • the active part (tool part) of this device consists of the drive shaft 1 made of carbon steel with a diameter of 10 mm and the rotating body 2 made of low-carbon steel designed as a roller 10.
  • Die.Walze 10 has a diameter of 50 mm and a length of 66 mm. It has 4 grooves 11 of 4 mm axial width and 17 mm radial depth, so that its core section still has a diameter of 16 mm.
  • the roller 10 is provided with two at two diametrically opposite points of the edge section 30 mm from the center.
  • the cutting tools 4 consist of low-alloy steel with high wear resistance and are 13 mm long in the radial direction, 8 mm wide in the tangential direction and approximately 2.5 mm thick in the axial direction on the pin 3. On their back of the cutting edge 5 they still have a thickness of approximately 1 mm. The cutting edge 5 is slightly beveled with respect to the tangential line. Between the flanks of the groove 11 of the roller 10 and those of the cutting tool 4, brass washers with an outside diameter of 7 mm and a thickness of 0.1 mm are arranged.
  • the opening 6 in the cutting tool 4 has a diameter of 5.5 mm, so that there is an all-round radial play of 0.25 mm with respect to the bolt 3.
  • This game is comparative low, so that the cutting tool 4 only tangentially deviates in the form of a foreign body 9 upon impact with an obstacle.
  • This arrangement is characterized by low bearing wear on the cutting tools and a quiet operating behavior without fluttering and rattling.
  • the drive shaft 1 rotates at 6000 to 18000 revolutions per minute.
  • the cutting speeds at the outermost edge of the cutting edge 5 are 20 to 60 m / s.
  • Embodiment 2 See Figures 2, 4 and 6!
  • this machine is a mechanically driven device for tearing up wallpaper.
  • the tool part of this device consists of the drive shaft 1 made of carbon steel with a diameter of 8 mm and the steel rotating body consisting of 13 disks 12.
  • Each disc 12 has an outer diameter of 45 mm and an axial width of 6 mm.
  • the cutting tools 4 are loosely lined up on two continuous, diametrically arranged bolts 3 made of ground hardened steel with a diameter of 4.5 mm, in such a way that a cutting tool 4 alternately axially displaces an intermediate space 13.
  • the cutting tools 4 are 15 mm long in the radial direction, tangentially 7 mm wide and axially. 2 mm thick at their articulation. They are provided with radial longitudinal slots 6b of 7 mm in length.
  • the bolts 3 have a radial distance from the center of the shaft 1 of 19 mm.
  • the remaining space between the flanks of the longitudinal slot 6b and those of the adjacent washers are filled with a washer each with an outer diameter of 7 mm and a thickness of 0.7 mm.
  • the tool part is mounted in a sled-like device, which consists of a table
  • the table 14 made of aluminum alloy, two runners 16 made of steel and four rods 15 made of ground steel with four helical springs 17.
  • the table 14 is rectangular in plan (140 mm x 160 mm) and 10 mm thick. On its underside it has four eyes for guiding the stepped rods 15 of 10/8 mm in diameter.
  • the pretensioning of the runners 16, which adapt elastically to the surface to be machined and avoid an obstacle, is set by means of clamping nuts 18 in the form of threaded rings.
  • the drive shaft 1 rotates at 8,000 to 20,000 revolutions per minute (cutting speed 22 to 55 m / s).
  • the device is provided with a handle (not shown in FIG. 6) and is pressed by hand with the runners 16 against the surface to be machined and guided along it. The travel of the springs
  • Embodiment 3 See Figures 2 and 7!
  • the machine for processing a large number of shaft-shaped objects is a mechanically driven device for cutting biomass, a lawn mower.
  • the active tool part is constructed as follows:
  • a horizontal disc 2 made of low-carbon steel with a diameter of 125 mm and 5 mm is at the lower end as a rotating body 2 Thickness flanged.
  • 120 steel bolts 3, 6 mm in diameter are pressed in at a radial distance of 50 mm from one another at a radial distance of 50 mm, which project on the underside of the disk 12 by 5 mm.
  • cutting tools 4 made of wear-resistant tempered steel are articulated via elliptical openings 6d (not shown) of 10 mm in length.
  • the cutting tools 4 with their ground cutting edge 5 have a radial length of 60 mm, a width of 13 mm and an axial thickness of 4 mm at the joint. They have a knife-like (dagger) shape with a sharply tapering tip and long cutting edge 5. When hitting an obstacle that cannot be cut through, the cutting tool deviates both tangentially and radially.
  • the drive speed varies between 3000 and 6000 revolutions per minute, which corresponds to cutting speeds of approximately 30 to 60 m / s.
  • Embodiment 4 See Figure 9!
  • the machine for surface processing is used to cut up wallpaper similar to Example 1. Thanks to the double articulation of the cutting tools 4 and the compensating lever 23, an optimal evasion when hitting a foreign body 9 and an almost complete mass compensation is achieved.
  • the drive shaft 1 made of carbon steel has a diameter of 9 mm
  • the rotary body 2 has a diameter of 55 mm.
  • the slats 19 made of spring steel are 8 mm wide, 38 mm long and 1 mm thick. They each have a pin 21 on the outside and a pin 22 on the inside of 3.5 mm diameter made of hardened steel.
  • the circular opening 20 in the lamella 19 has a diameter of 4.3 mm.
  • the Compensation lever 23 is also made of spring steel and is 48 mm long, 7.5 mm wide and 1.2 mm thick. It is provided at both ends with elongated holes 26 of 9 mm in length and 3.7 mm in width, into which the pins 22 engage on the inside of the slats 19.
  • the cutting tools 4 are radially 12 mm long, tangentially 6 mm wide and 2 mm thick at the joint. Your beveled cutting edges 5 are equipped with hard metal inserts.
  • the rotating body 2 consists of 6 coaxially arranged disks with a thickness of 4 mm and a clear distance (space) of 3.5 mm.
  • This embodiment according to FIG. 9 has the following advantages:
  • the invention is not restricted to the exemplary embodiments.
  • the device for the mechanical processing of a surface 8 or a plurality of shaft-shaped objects consists of a drive mechanism which conveys a rotational movement and at least one shaft 1 and a rotational body 2 and at least one rotating body within certain positions due to inertial forces in the normal operating state Limits with possibilities of avoidance essentially determined, flat knife-like cutting tool 4, the cutting tool 4 having an elongated shape in the radial direction and being provided with a tangentially acting cutting edge 4 at its outer end, while an opening 6 is provided at its inner end is in the game with a bolt 3 of the rotary body 2 for transmission of the rotational Movement engages in such a way that the cutting tool 4 has the possibility of executing a full rotational movement of 360 ° around the bolt axis, so that when the cutting edge 5 strikes an insurmountable obstacle which cannot be cut through in the form of a base body 7 to be machined embedded hard foreign body 9, the cutting tool 4 dodges in the tangential or tangential and / or radial direction, wherein damage
  • the rotary body 2 preferably consists of a roller 10 provided with a plurality of radial grooves 11, at least one axially extending bolt 3 with its cutting tool 4 being arranged in each groove 11, or it consists of a plurality of plane-parallel disks 12, in the intermediate space 13 of which at least an axially extending bolt 3 is provided, on each of which a cutting tool 4 hangs.
  • the rotating body 2 consists of a disk 12 which is provided on one or both sides with at least one axially extending, cantilevered projecting bolt 3, on each of which a cutting tool 4 hangs.
  • the opening 6 located at the inner end of the cutting tool 4 is preferably circular and has comparatively little play compared to the bolt 3 in such a way that it essentially has only a tangential evasion option.
  • the opening 6 is a longitudinal slot that runs parallel or obliquely with respect to the radius of the center of the bolt and with respect to the longitudinal direction of the cutting tool little lateral play or has an elliptical cross section with a longitudinal axis parallel or oblique to the longitudinal direction of the cutting tool or a triangular cross section.
  • the drive mechanism, shaft 1, rotary body 2 and cutting tool 4 constitute integrating components of a machine for processing comparatively flat surfaces, for tearing open wallpaper and producing groove and groove-shaped webs in the latter, or for tearing open and scraping off undesired components from the surface 8 of a wall, floor or ceiling.
  • the drive mechanism, shaft 1, rotating body 2 and cutting tool 4 are integral components of a machine for cutting biomass, grasses, shrubs, bushes and for mowing lawn and grass.
  • At least one elongate lamella 19 with an opening 20 for increasing the radius of the cutting edge 5 of the cutting tool 4 is arranged between the bolt 3 in the rotating body 2 and the cutting tool 4 and carries a pin 21 at its outer end , on which the cutting tool 4 is articulated via its opening 6.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Road Repair (AREA)

Abstract

Dispositif de coupe mécanique pour une surface (8) ou bien destiné à couper de l'herbe, des broussailles. Il comprend un arbe de commande (1), un corps de révolution (2; 12), une goupille (3) dans le corps de révolution (2; 12), un outil tranchant (4) rotatif et muni d'une lame (5). L'outil de coupe (4) est articulé au niveau de la goupille (3) par le biais d'un orifice (6) et est maintenu sensiblement en position radiale par des forces centrifuges, ce qui lui permet de décrire un tour complet autout de l'axe de la goupille. Lorsque la lame (5) vient à buter sur un corps étranger (9) dur, incorporé dans le corps de base (7) à couper, l'outil tranchant (4) peut se déporter dans le sens tangentiel ou tangentiel et/ou radial, selon la forme et la grandeur de l'orifice (6). Il existe des variantes comportant un orifice circulaire, triangulaire, oblong, elliptique placé radialement ou en biais. Il existe un modèle particulier comportant une double articulation de l'outil tranchant par l'intermédiaire de lamelles et un équilibrage des masses par le biais d'un mécanisme à leviers.
PCT/CH1993/000054 1992-03-04 1993-03-03 Dispositif de coupe mecanique pour une surface ou pour une pluralite d'objets se presentant sous forme de tiges Ceased WO1993017546A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DEP4206823.1 1992-03-04
DE19924206823 DE4206823C2 (de) 1992-03-04 1992-03-04 Vorrichtung zur mechanischen Bearbeitung einer Oberfläche oder einer Vielzahl von schaftförmigen Gegenständen

Publications (1)

Publication Number Publication Date
WO1993017546A1 true WO1993017546A1 (fr) 1993-09-16

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EP (1) EP0586629A1 (fr)
DE (1) DE4206823C2 (fr)
WO (1) WO1993017546A1 (fr)

Cited By (2)

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EP1925371A3 (fr) * 2006-11-24 2010-12-22 Wiechmann Ketten- und Kettenräderbau GmbH Dispositif de nettoyage de tringles
WO2020053242A1 (fr) 2018-09-13 2020-03-19 Husqvarna Ab Lame de coupe pour outil robotisé

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US20020194829A1 (en) * 2001-06-20 2002-12-26 Deere & Company, A Delaware Corporation Centrifugal lock for articulated rotating working element
DE202013103409U1 (de) 2012-08-03 2013-08-19 Fill Gesellschaft M.B.H. Vorrichtung zum Bearbeiten einer Oberfläche
CN109304577A (zh) * 2018-12-08 2019-02-05 江苏盛久变压器有限公司 一种变压器加工用锤击装置

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Publication number Priority date Publication date Assignee Title
GB1057371A (en) * 1964-02-13 1967-02-01 Turner Engineering Company Cou Improvements relating to machines for cutting grass and like vegetation
US4211060A (en) * 1978-08-21 1980-07-08 Hesston Corporation Mowing rotor
DE8908947U1 (de) * 1989-07-22 1989-09-07 Vitt, Herbert, 5370 Kall Vorrichtung mit einem an einen Rotationsantrieb anschließbaren Grundkörper und daran festgelegten Wirkelementen
FR2651089A1 (fr) * 1989-08-25 1991-03-01 Decostanzi Arnold Perfectionnements apportes aux tetes de debrouissailleuses portatives.

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1925371A3 (fr) * 2006-11-24 2010-12-22 Wiechmann Ketten- und Kettenräderbau GmbH Dispositif de nettoyage de tringles
WO2020053242A1 (fr) 2018-09-13 2020-03-19 Husqvarna Ab Lame de coupe pour outil robotisé
EP3829288A1 (fr) * 2018-09-13 2021-06-09 Husqvarna Ab Lame de coupe pour outil robotisé
EP3847882A2 (fr) 2018-09-13 2021-07-14 Husqvarna Ab Lame de coupe pour un outil de travail robotique

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DE4206823A1 (de) 1993-09-09
DE4206823C2 (de) 1994-04-21
EP0586629A1 (fr) 1994-03-16

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