WO2019198121A1 - Lame rotative pour tondeuse à gazon et tondeuse à gazon équipée de celle-ci - Google Patents

Lame rotative pour tondeuse à gazon et tondeuse à gazon équipée de celle-ci Download PDF

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Publication number
WO2019198121A1
WO2019198121A1 PCT/JP2018/014864 JP2018014864W WO2019198121A1 WO 2019198121 A1 WO2019198121 A1 WO 2019198121A1 JP 2018014864 W JP2018014864 W JP 2018014864W WO 2019198121 A1 WO2019198121 A1 WO 2019198121A1
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WO
WIPO (PCT)
Prior art keywords
rotary blade
cord
cutting member
holding member
holding
Prior art date
Application number
PCT/JP2018/014864
Other languages
English (en)
Japanese (ja)
Inventor
正範 小林
Original Assignee
有限会社小林産業
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 有限会社小林産業 filed Critical 有限会社小林産業
Priority to PCT/JP2018/014864 priority Critical patent/WO2019198121A1/fr
Publication of WO2019198121A1 publication Critical patent/WO2019198121A1/fr

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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
    • A01D34/416—Flexible line cutters
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/835—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes
    • A01D34/90—Mowers; Mowing apparatus of harvesters specially adapted for particular purposes for carrying by the operator

Definitions

  • the present invention relates to a rotary blade for a mower and a mower using the same.
  • This mower is of a type also called a brush cutter, and is configured to transmit the rotational power generated by a small engine to a rotary blade supported at the tip of an operation tube. Or while controlling the rotation of the rotary blade rotated by this, the operation tube is swung to perform a desired mowing operation.
  • rotary blades suitable for this type of portable power mower there is, for example, the one disclosed in Patent Document 1 as a nylon cord type rotary blade.
  • the rotary blade described in Patent Document 1 can be easily replaced when the nylon cord is worn and shortened, but when the tip of the nylon cord is gradually worn and shortened.
  • the adjustment function for extending the extension length is not considered.
  • Patent Document 2 is equipped with a guide member that rotates together with the rotary blade attachment shaft and is supported rotatably around the rotation shaft with respect to the holding member in addition to the holding member that winds and holds the nylon cord. Nylon cord type rotary blade is shown.
  • the rotary blade shown in Patent Document 2 has an adjustment function that allows the extension length to be extended by feeding out the nylon cord wound around the holding member when the extension length of the nylon cord is shortened due to wear.
  • the guide member prevents the cutting object such as weeds from entering the inside of the outer periphery of the guide member, the cutting object is efficiently cut by the tip portion of the nylon cord that rotates at high speed. It has a function.
  • the rotary blade shown in Patent Document 2 has a drawback in that the structure of the holding member is complicated, heavy, and expensive.
  • the configuration of Patent Document 1 is adopted as the nylon cord holding mechanism of the rotary blade shown in Patent Document 2, the weight reduction can be achieved and the cost can be reduced, but the extension length of the nylon cord can be adjusted. There is a problem that it is not possible and it becomes unusable.
  • the present invention has been conceived under the circumstances described above, and it is possible to easily adjust the extension length of the nylon cord and to easily replace the nylon cord.
  • the main subject is to provide a nylon cord type rotary blade for a mowing machine configured as described above.
  • the present invention employs the following technical means.
  • the rotary blade for mower provided by the first aspect of the present invention includes a holding member that is attached to a rotary blade mounting shaft of a mowing machine and is rotated, a proximal end side is held by the holding member, and a distal end side is the holding member.
  • the mounting facilitating means includes a straight line connecting a back position of a hanging portion farthest from the connecting portion from a back position of the hanging portion closest to the connecting portion among the plurality of hanging portions, Holding part Characterized in that it is formed by a groove section for the open radially outwardly.
  • the connecting portion includes a wall portion formed on the holding member and a slit through which the cord-like cutting member formed on the wall portion can pass, and the cord-like cutting member has one end. The one end is connected by fitting the cord-shaped cutting member into the slit so that the large diameter portion is locked to the side surface of the wall portion.
  • the slit is provided so as to open to the upper surface of the wall portion, and the cord-like cutting member is fitted into the slit from above.
  • a convex portion protruding outward in the radial direction of the holding member is formed between the wall portion and the hanging portion closest to the wall portion.
  • the hanging portion is configured by attaching a drum-shaped roller-shaped member having an outer circumferential groove having a concave curved cross section to a horizontal upper surface of a support wall formed on the peripheral portion of the holding member. Has been.
  • the roller member is supported so as to be rotatable or non-rotatable around the axis so as to have an axis perpendicular to the upper surface of the support wall.
  • the holding member is provided with a detachment preventing means for preventing the cord-shaped cutting member wound around the roller-shaped member from being detached from the roller-shaped member.
  • the detachment preventing means includes a first detachment prevention means, and the first detachment prevention means passes through the cord-shaped cutting member with respect to the upper end height position of the roller-shaped member. It is constituted by a separation preventing wall located at a higher position with a gap therebetween.
  • the separation preventing wall is formed with a notch that is recessed from the outer periphery thereof and faces the roller-like member in plan view.
  • the separation prevention means includes a second separation prevention means, and the second separation prevention means is located radially outward of the holding member between two adjacent roller-shaped members. Protruding portions that protrude toward the surface are provided, and the groove portions in the mounting facilitating means are provided on the protruding portions.
  • the separation preventing means further includes a second separation preventing means, and the second separation preventing means provides a protrusion between two adjacent roller-shaped members, and the protrusion It is comprised by providing the said groove part in the said attachment facilitating means in a part.
  • the holding mechanism is provided at two places facing the diameter direction of the holding member.
  • a guide member that can rotate relative to the holding member about the rotation axis is provided below the holding member.
  • the mower provided by the second aspect of the present invention includes a rotary blade mounting shaft that is rotationally driven, and the rotary blade mounting shaft is attached with the rotary blade for the mower according to the first aspect.
  • FIG. 4 is a view showing an embodiment of the rotary blade for mower of the present invention and corresponding to the view taken along the line IV-IV in FIG. 1.
  • FIG. 6 is a sectional view taken along line VI-VI in FIG. 4.
  • VII-VII sectional view taken on the line of FIG. It is the VIII-VIII sectional view taken on the line of FIG.
  • FIG. 7 is an explanatory diagram of an operation, and corresponds to a cross section taken along line VII-VII in FIG. 5.
  • FIG. 1 to FIG. 10 show a mower B using a rotary blade A for mowing machine (hereinafter simply referred to as “rotary blade A”) according to an embodiment of the present invention.
  • a small engine 10 as a drive source is connected to the proximal end side of the operation tube 12, and the rotation output thereof is a transmission shaft (not shown). ) Is transmitted to the rotary blade mounting shaft 14 protruding from the gear box 16 having a built-in speed reduction mechanism 16a supported on the distal end of the operation tube 12.
  • the small engine 10 for example, an engine with an engine displacement of about 25 cc is used in consideration of the portability of the operator.
  • Male screws 14a and 14b are formed on the base end side large diameter portion and the distal end side small diameter portion of the rotary blade mounting shaft 14, respectively, and a metal rotary blade holder 17 is screwed onto the base end side male screw 14a. ing.
  • the mower B according to the present embodiment is configured so that the support angle of the rotary blade A can be changed by rotating the operation lever 18 as follows.
  • the operation tube 12 has a distal end side second portion 12 b that is always moved toward the distal end by a coil spring 19 inserted into the operation tube 12 with respect to the proximal end side first portion 12 a. Combined to be stretchable while being energized.
  • a flexible tube 20 having a distal end extending from the distal end of the operation tube 12 is inserted into the operation tube 12, and a transmission shaft 11 having at least a distal end is inserted into the flexible tube 20. Yes.
  • the rotational driving force of the transmission shaft 11 is transmitted to the rotary blade mounting shaft 14 protruding from the gear box 16.
  • the operation lever 18 is rotatably supported by the second portion 12b while being given a certain resistance.
  • the operation lever 18 is formed with a reel portion 18a, and by rotating the operation lever 18 back and forth, the other end of the cable 21 having one end connected to the first portion 12a is wound or fed out to the reel portion 18a. You can do that.
  • the second portion 12b By rotating the operation lever 18 in the cable winding direction, the second portion 12b can be retracted in the proximal direction of the operation tube 12 against the elasticity of the coil spring 19, and the total length of the operation tube 12 can be shortened.
  • the second portion 12b can be extended in the direction of the distal end of the operation tube 12 by the elasticity of the coil spring 19 by rotating in the cable feeding direction, and the entire length of the operation tube 12 can be extended.
  • An arm 12c extending obliquely downward is fixedly connected to the distal end portion of the second portion 12b of the operation tube 12, and the gear box 16 is centered on the lateral axis 22 at the distal end of the arm 12c. It is rotatably supported. Since the total length of the flexible tube 20 and the transmission shaft 11 inserted therein is constant, when the total length of the operation tube 12 is extended by the operation of the operation lever 18, the flexible tube 20 is connected to the operation tube 12. When the entire length of the operation tube 12 is shortened by being pulled inside, the flexible tube 20 is pushed out from the tip of the operation tube 12. As a result, the gear box 16 and the rotary blade A supported by the gear box 16 rotate about the lateral axis 22, thereby changing the angle of the rotary blade A with respect to the operation tube 12 as desired.
  • a handle 23 is provided at an appropriate part of the operation tube 12 so that the operator can hold it and swing the operation tube 12 left and right.
  • the small engine 10 may be directly attached to the proximal end of the operation tube 12 as in the embodiment, or the engine is mounted on, for example, a back frame through a flexible transmission shaft inserted into the bellows tube. May be concatenated.
  • the rotary blade is directly driven to rotate by a small engine mounted at the tip of the operation tube.
  • an engine and a power transmission mechanism are mounted on a wheeled frame, thereby rotating the rotary blade.
  • the present invention can be applied to any type of mower as long as it includes a rotary blade mounting shaft that is driven to rotate by an appropriate power source.
  • Rotating blade A characterized by the present invention is mounted on the rotating blade mounting shaft 14.
  • the rotary blade A is attached to the rotary blade mounting shaft 14 and rotated, and the holding member 100 that holds the cord-like cutting member 40 and the holding member 100.
  • a guide member 500 is provided that can rotate relative to the member 100 around its rotational axis (same axis as the rotary blade mounting shaft 14).
  • the radial direction means the radial direction of the holding member 100 or the rotary blade A.
  • the holding member 100 includes a holding mechanism 200 that holds the proximal end portion of the cord-shaped cutting member 40.
  • the holding member 100 is generally circular in plan view, and has an upper support plate portion 110 that is provided with a boss portion 102 having a center hole 101 at the center and in which a plurality of concave-curved cutout portions 111 are formed on the outer periphery.
  • the holding mechanism 200 is provided below the outer peripheral region of the upper support plate portion 110.
  • the holding member 100 can be configured by resin integral molding except for portions to be generated with metal for strength maintenance, such as hanging portions 220a, 220b, 220c, and 220d to be described later and attachment members thereof.
  • a lower part of the upper support plate part 110 has a substantially same outer diameter as that of the upper support plate part 110 through a connecting wall part 120 that is positioned so as to surround the boss part 102 and has a predetermined height in the vertical direction. And a lower support plate portion 130 that extends outward from the connecting wall portion 120 in a horizontal flange shape.
  • the holding mechanism 200 is formed on the horizontal upper surface (support wall) of the lower support plate portion 130.
  • the lower support plate 130 is divided into two in the circumferential direction, and the two holding mechanisms 200 having the same configuration are provided.
  • the holding mechanism 200 is arranged in the circumferential direction of the connecting portion 210 to which the large-diameter portion 41 at one end of the cord-like cutting member 40 is connected and the lower support plate portion 130, and the cord-like cutting member 40 is wound around. It basically has a plurality of hanging portions 220a, 220b, 220c, and 220d.
  • the cord-shaped cutting member 40 for example, one end of a nylon cord is crushed by heat or knotted to form a large-diameter portion, or a nylon cord material cut to a predetermined length A commercially available product having a cylindrical large-diameter portion 41 formed at one end thereof is used.
  • the connecting portion 210 is formed on the lower support plate portion 130 facing upward by providing a recessed portion 112 on the outer periphery of the upper support plate portion 110.
  • the wall portion 211 that is also connected to the portion 120 is erected, and the wall portion 211 is formed by providing a slit 212 that opens on the upper surface thereof.
  • the slit 212 has a width that allows the cord-shaped cutting member 40 to pass therethrough and prevents the large-diameter portion 41 from passing therethrough.
  • the wrapping portions 220a, 220b, 220c, and 220d are the first wrapping portions 220a that are located at a predetermined interval in the circumferential direction of the rotary blade A with respect to the connecting portion 210. And four hung portions including second, third, and fourth hung portions 220b, 220c, and 220d that are located at predetermined intervals in the circumferential direction with respect to the first hung portion 220a. It is configured.
  • Each of the hanging portions 220a, 220b, 220c, and 220d has a drum shape having an outer circumferential groove having a concave cross section on a support shaft 222 that is erected vertically to the upper surface (support wall) of the lower support plate portion 130.
  • the roller member 221 is supported.
  • the roller-like member 221 is supported by the cantilevered support shaft 222 whose lower end is fixed to the lower support plate portion 130, and the lower surface of the upper support plate portion 110 and each roller-like member 221 are supported.
  • a gap S is formed between the upper end so that the cord-like cutting member 40 can pass in the lateral direction.
  • the notch 111 is formed at the upper position of each roller-like member 221 in the upper support plate portion 110 so that each roller-like member 221 faces in plan view.
  • the holding mechanism 200 also includes an attachment facilitating means 300 that facilitates the attachment of the cord-like cutting member 40, and the attachment facilitating means 300 includes a plurality of hanging portions 220a, 220b, 220c, and 220d.
  • the connecting wall portion 120 includes a protrusion 121 that protrudes between adjacent winding portions 220a, 220b, 220c, and 220d (the protrusion 121 corresponds to each roller in the upper support plate 110).
  • the protrusions 113 formed on the outer periphery of the upper support plate 110 are provided by providing the notches 111 at the upper position of the shaped member 221).
  • 121 or the connecting wall 120 is dug inward in the radial direction so that the bottom 122a has a groove 122 extending linearly from a position behind the first hook 220a to a position behind the fourth hook 220d. Forming.
  • the bottom 122a of the groove 122 does not necessarily have to be linear, and may be a groove formed deeper as long as the straight line L is included.
  • the vertical width of the groove 122 corresponds to the diameter of the cord-like cutting member 40, and is preferably set to a vertical width that can restrain the cord-like cutting member 40 fitted in the groove 122 in the vertical direction.
  • the holding mechanism 200 also prevents the cord-like cutting member 40 hung around the hung portions 220a, 220b, 220c, 220d from being detached from the 220a, 220b, 220c, 220d.
  • One detachment prevention means 410 and a second detachment prevention means 420 are provided.
  • the first detachment preventing means 410 is a protrusion formed on the outer periphery of the upper support plate portion 110 by providing a notch portion 111 at an upper position of each of the hanging portions 220a, 220b, 220c, 220d in the upper support plate portion 110.
  • the portion 113 functions as the first detachment prevention means 410 (detachment prevention wall).
  • the groove 122 formed as the attachment facilitating means 300 also functions as the second detachment preventing means 420.
  • a third detachment preventing means 430 for preventing the cord-like cutting member 40 connected to the connecting portion 210 from easily detaching from the connecting portion 210 is further provided.
  • the third detachment preventing means 430 includes a convex portion 123 protruding outward in the radial direction from the connecting wall portion 120 between the wall portion 211 forming the connecting portion 210 and the first hanging portion 220a.
  • the cord-shaped cutting member 40 having the base end connected to the connecting portion 210 goes around the convex portion 123 and then goes to the back of the first hanging portion 220a.
  • the holding member 100 of the present embodiment is configured symmetrically with respect to the diameter connecting the two connecting portions 210 located on the opposite side across the center.
  • the cord-shaped cutting member 40 can be hung from the connecting portion 210 along the clockwise route to the hung portions 220a, 220b, 220c, 220d, and conversely, from the connecting portion 210 along the counterclockwise route. It can also be hung around the hung portions 220a, 220b, 220c, and 220d.
  • the cord-shaped cutting member 40 can be appropriately mounted according to the rotation direction of the rotary blade A.
  • the guide member 500 includes a central cylindrical portion 511 and a circular disc portion 520 extending from the lower end of the central cylindrical portion 511.
  • the circular disc portion 520 extends horizontally to the vicinity corresponding to the outer periphery of the holding member 100, The outer peripheral side is displaced upward.
  • the guide member 500 in the present embodiment has an outer diameter larger than the maximum outer diameter of the holding member 100.
  • the vicinity of the central cylinder portion 511 is made of metal, and the remaining portion of the circular disc portion 520 is made of resin.
  • Two bearings 530 stacked in the axial direction are held on the inner surface of the central cylindrical portion 511 of the guide member 500 by press-fitting the outer ring 531.
  • the guide member 500 is a screw that passes through the center hole 101 of the bearing 530 and the boss portion 102 of the holding member 100 in a state where the inner ring 532 of the upper bearing 530 is in contact with the lower surface of the boss portion 102 of the holding member 100.
  • the cord-shaped cutting member 40 is inserted between the convex portion 123 and the first hanging portion 220 a from the tip end side, and the tip is passed through the groove portion 122 to the fourth hanging portion.
  • 220d is further extended outward in the radial direction from the rear side, and the base end portion is turned outside the convex portion 123, and then fitted into the slit 212 from the upper surface of the wall portion 211, and finally the large diameter portion.
  • the groove portion 122 forming the attachment facilitating means 300 includes the straight line L from the back position of the first hooking portion 220a to the back position of the fourth hooking portion 220d.
  • the cord-like cutting member 40 can be easily guided to a required position by simply inserting it without bending, and can be connected to the connecting portion 210 simply by being fitted into the slit 212 of the wall portion 211.
  • the cord-shaped cutting member 40 can be mounted very easily.
  • the hooks 220a, 220b, 220c, and 220d are provided by the protrusion 121 (detachment prevention wall) that is the first detachment prevention means 410 and the groove 122 that can function as the second detachment prevention means 420.
  • the cord-like cutting member 40 can be prevented from being detached from. Further, the base end portion of the cord-shaped cutting member 40 is fitted from above into the slit 212 in a state where it is forcibly bent by the convex portion 123 forming the third detachment preventing means 430. It does not easily leave 212.
  • the cord-shaped cutting member 40 becomes gradually shorter due to wear.
  • the extension length of the cord-shaped cutting member 40 can be extended as follows. That is, the cord-shaped cutting member 40 that has been initially wound around the fourth hooking portion 220d is looped around the third hooking portion 220c as shown by the phantom line in FIG.
  • a gap S through which the cord-like cutting member 40 can pass in the lateral direction is formed between the upper end of each roller-like member 221 and the upper support plate portion 110, and the outer periphery of the upper support plate portion 110.
  • the extension length of the cord-like cutting member 40 is extended by a length corresponding to the distance between the adjacent roller-like members 221.
  • the cord-like cutting member 40 When the distal end of the cord-like cutting member 40 is further worn and the extension length is shortened, the cord-like cutting member 40 is similarly changed from the second hanging portion 220b to the first hanging portion 220a. Just hang it around.
  • the cord-like cutting member 40 is replaced. By pulling and pulling out, it can be easily removed, and a new cord-like cutting member 40 can be easily attached as described above.
  • the rotation output of the small engine 10 causes the rotary blade A to be held.
  • the member 100 or the cord-shaped cutting member 40 is rotated.
  • the rotational speed of the cord-like cutting member 40 can be adjusted by adjusting the throttle opening of the engine.
  • the rotational output of the engine is decelerated from the transmission shaft 13 by the speed reduction mechanism 16 a in the gear box 16, and is transmitted to the holding member 100 or the cord-shaped cutting member 40 via the rotary blade mounting shaft 14.
  • the rotation speed of the holding member 100 or the cord-shaped cutting member 40 reaches, for example, 5,000 to 6,300 rpm.
  • the peripheral speed of the distal end portion of the cord-shaped cutting member 40 easily reaches 350 km / h.
  • a relatively soft and thin object such as weed is prevented from entering further inward in the radial direction by the guide member 500, and the cord turns at high speed.
  • the cord-shaped cutting member 40 has a diameter of about 3 mm at most and is lightweight.
  • the peripheral speed of the tip is extremely high as described above, it is necessary to cut a soft stalk such as weed. It has enough kinetic energy.
  • the roller-shaped member 221 is fixed to the lower support plate portion 130 via the support shaft 222, but the roller-shaped member 221 can rotate with respect to the support shaft 222. You may support as follows. By doing so, the roller-like member 221 is not worn by the cord-like cutting member 40, which is advantageous in extending the life of the rotary blade A.
  • the rotary blade A In the rotary blade A according to the embodiment, four hung portions 220a, 220b, 220c, and 220d arranged in the circumferential direction are provided in two regions, and the two cord-like cutting members 40 extend from the holding member 100.
  • the number of the wrapping portions 220a, 220b, 220c, and 220d in each region may be any number as long as it is plural.
  • the holding member 100 may have three or more circumferential regions, and the number of the cord-shaped cutting members 40 extending from the holding member 100 may be three or more.
  • the guide member 500 that can rotate relative to the holding member 100 or the rotary blade mounting shaft 14 is also provided. Whether or not the guide member 500 is provided is a matter of choice. .

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

Abstract

Le problème décrit par la présente invention est de fournir une lame rotative pour une tondeuse à gazon conçue de manière à permettre à la longueur d'extension d'un élément de coupe en forme de cordon d'être ajustée de manière simple, et également de permettre à l'élément de coupe en forme de cordon d'être remplacé de manière simple. La solution selon l'invention porte sur une lame rotative A pour une tondeuse à gazon comprenant un élément de maintien 100 qui est fixé à un axe de fixation de lame rotative 14 de la tondeuse à gazon B et est mis en rotation , et un mécanisme de maintien 200 qui maintient l'élément de coupe en forme de cordon 40 de telle sorte que son côté extrémité proximale est maintenu par l'élément de maintien et son côté extrémité distale s'étend vers l'extérieur dans la direction radiale de l'élément de maintien. Le mécanisme de maintien 200 comprend une partie de couplage 210 à laquelle une extrémité de l'élément de coupe en forme de cordon 40 est reliée, une pluralité de parties d'enveloppement 220a, 220b, 220c, 220d placées dans la direction circonférentielle de l'élément de maintien 100, autour desquelles est enroulé l'élément de coupe en forme de cordon 40, et un moyen de facilitation de montage 300 facilitant le montage de l'élément de coupe en forme de cordon 40. Le moyen de facilitation de montage 300 est formé à partir d'une section rainure 122 s'ouvrant vers l'extérieur dans la direction radiale de l'élément de maintien 100 et comprend une ligne droite L qui relie, parmi la pluralité de parties d'enveloppement 220b, 220b, 220c, 220d, la position arrière de la partie d'enveloppement 220a la plus proche de la partie de couplage 210 à la position arrière de la partie d'enveloppement 220d la plus éloignée de la partie de couplage 210.
PCT/JP2018/014864 2018-04-09 2018-04-09 Lame rotative pour tondeuse à gazon et tondeuse à gazon équipée de celle-ci WO2019198121A1 (fr)

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Application Number Priority Date Filing Date Title
PCT/JP2018/014864 WO2019198121A1 (fr) 2018-04-09 2018-04-09 Lame rotative pour tondeuse à gazon et tondeuse à gazon équipée de celle-ci

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PCT/JP2018/014864 WO2019198121A1 (fr) 2018-04-09 2018-04-09 Lame rotative pour tondeuse à gazon et tondeuse à gazon équipée de celle-ci

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169638U (fr) * 1974-11-26 1976-06-02
US4268964A (en) * 1979-07-02 1981-05-26 Ambac Industries, Incorporated Apparatus for cutting, trimming and edging vegetation and the like
JPS57178022A (en) * 1981-04-27 1982-11-02 Hitachi Zosen Corp Fixing device for support leg lower end in elevating type marine working platform
JPS58191578A (ja) * 1982-05-06 1983-11-08 Matsushita Electric Ind Co Ltd 音声多重信号受信装置
JPH07177812A (ja) * 1993-12-24 1995-07-18 Kaaz Corp 動力刈払機の回転刈刃
WO1998018312A1 (fr) * 1996-10-29 1998-05-07 Conceptual Marketing & Development, Inc. Tete de fixation pour dispositifs a couper la vegetation
WO2013054881A1 (fr) * 2011-10-14 2013-04-18 有限会社小林産業 Lame rotative et tondeuse à gazon l'utilisant
JP2013524803A (ja) * 2010-04-21 2013-06-20 ペランク（ソシエテ アノニム） 刈払機のための多機能刈払用回転ヘッドおよびこのような多機能刈払用回転ヘッドを備えた携帯型機器
WO2013100059A1 (fr) * 2011-12-28 2013-07-04 山田機械工業株式会社 Lame rotative pour tondeuse à gazon et tondeuse à gazon équipée de celle-ci

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5169638U (fr) * 1974-11-26 1976-06-02
US4268964A (en) * 1979-07-02 1981-05-26 Ambac Industries, Incorporated Apparatus for cutting, trimming and edging vegetation and the like
JPS57178022A (en) * 1981-04-27 1982-11-02 Hitachi Zosen Corp Fixing device for support leg lower end in elevating type marine working platform
JPS58191578A (ja) * 1982-05-06 1983-11-08 Matsushita Electric Ind Co Ltd 音声多重信号受信装置
JPH07177812A (ja) * 1993-12-24 1995-07-18 Kaaz Corp 動力刈払機の回転刈刃
WO1998018312A1 (fr) * 1996-10-29 1998-05-07 Conceptual Marketing & Development, Inc. Tete de fixation pour dispositifs a couper la vegetation
JP2013524803A (ja) * 2010-04-21 2013-06-20 ペランク（ソシエテ アノニム） 刈払機のための多機能刈払用回転ヘッドおよびこのような多機能刈払用回転ヘッドを備えた携帯型機器
WO2013054881A1 (fr) * 2011-10-14 2013-04-18 有限会社小林産業 Lame rotative et tondeuse à gazon l'utilisant
WO2013100059A1 (fr) * 2011-12-28 2013-07-04 山田機械工業株式会社 Lame rotative pour tondeuse à gazon et tondeuse à gazon équipée de celle-ci

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