JP2541820Y2 - Brush cutter - Google Patents
Brush cutterInfo
- Publication number
- JP2541820Y2 JP2541820Y2 JP1990108935U JP10893590U JP2541820Y2 JP 2541820 Y2 JP2541820 Y2 JP 2541820Y2 JP 1990108935 U JP1990108935 U JP 1990108935U JP 10893590 U JP10893590 U JP 10893590U JP 2541820 Y2 JP2541820 Y2 JP 2541820Y2
- Authority
- JP
- Japan
- Prior art keywords
- sliding
- brush cutter
- operating rod
- cutter
- cutting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Landscapes
- Harvester Elements (AREA)
Description
【考案の詳細な説明】 〔産業上の利用分野〕 この考案は、往復摺動する摺動刈刃を備える刈払機に
係り、詳しくは木立等の上面及び垂直面の刈払いを効率
よく行なえる刈払機に関するものである。[Detailed description of the invention] [Industrial application field] This invention relates to a bush cutter having a sliding cutting blade that slides back and forth, and more specifically, can efficiently cut the upper surface and vertical surface of a grove and the like. It relates to a brush cutter.
回転刃ではなく、往復摺動する摺動刈刃により刈払い
を行なう刈払機は公知になっている。2. Description of the Related Art A brush cutter that performs cutting by a reciprocating sliding cutter blade, not a rotary blade, is known.
摺動刈刃付き従来の刈払機では、作業者が、刈払機を
把持しつつ、地面上の草等を刈払いするために、操作桿
が刈払い面に対して斜めあるいは湾曲して延びている
（例：特公昭53-42693号公報及び実公昭63-35552号公
報）。In a conventional brush cutter with a sliding cutter blade, an operation rod extends obliquely or in a curved manner with respect to a brush cutter surface so that an operator can cut grass or the like on the ground while gripping the cutter. (Eg, JP-B-53-42693 and JP-B-63-35552).
操作桿が摺動刈刃の刈払い面に対して斜めあるいは湾
曲している刈払機では、木立等の上面を刈る場合、作業
者は、操作桿を木立の上面より高く保持する必要があ
り、刈払い面が作業者の背丈程ある場合には、刈払いが
困難である。また、木立等の垂直面を刈る場合には、刈
払い面に対して操作桿の移動操作面は傾斜しており、操
作桿の移動操作がやり難く、作業能率が悪い。In a brush cutter in which the operation rod is oblique or curved with respect to the cutting surface of the sliding cutting blade, when cutting an upper surface of a grove or the like, the operator needs to hold the operation rod higher than the upper surface of the grove. If the mowing surface is as tall as the worker, mowing is difficult. In addition, when cutting a vertical surface such as a grove, the moving operation surface of the operating rod is inclined with respect to the mowing surface, making it difficult to move the operating rod, resulting in poor work efficiency.
この考案の目的は、上述の問題点を克服し、刈払い面
が高い所にあったり、垂直面の場合にも摺動刈刃により
能率よく刈払いすることができる刈払機を提供すること
である。An object of the present invention is to provide a brush cutter capable of overcoming the above-mentioned problems and efficiently cutting brushes even when the brush cutting surface is at a high place or on a vertical surface by using a sliding cutting blade. is there.
この考案を、実施例に対応する図面の符号を使用して
説明する。This invention will be described using the reference numerals of the drawings corresponding to the embodiments.
この考案の前提となる刈払機（10）では、摺動刈刃
（18a,18b）が、操作桿（12）の先端側に取付けられ、
操作桿（12）内に延びる伝動軸（22）を介して伝達され
る回転動力により前記操作桿（12）に平行に往復摺動す
る。そして、このようなものにおいて、この考案の刈払
機（10）では、操作桿（12）は、摺動刈刃（18a,18b）
を含む平面に所定距離離隔されてなる。In the brush cutter (10) which is the premise of the present invention, the sliding cutter blades (18a, 18b) are attached to the distal end side of the operating rod (12),
It reciprocates in parallel with the operation rod (12) by the rotational power transmitted through a transmission shaft (22) extending into the operation rod (12). And in such a thing, in the brush cutter (10) of this invention, an operation stick (12) is a sliding cutting blade (18a, 18b).
Are separated by a predetermined distance from a plane including.
高い所の水平面（40）の刈払いを行なう場合、操作桿
（12）は、その水平面（40）とほぼ同じ高さにおいて水
平に保持されつつ、水平方向へ移動、操作される。これ
により、摺動刈刃（18a,18b）は、水平面（40）に沿っ
て移動し、水平面（40）の高さで刈払いを行なう。When mowing the horizontal surface (40) at a high place, the operating rod (12) is moved and operated in the horizontal direction while being held horizontally at substantially the same height as the horizontal surface (40). Thereby, the sliding cutting blades (18a, 18b) move along the horizontal plane (40) and perform mowing at the level of the horizontal plane (40).
垂直面（44）の刈払いを行なう場合、操作桿（12）
は、刈払いを行なう垂直面（44）に平行に、すなわち垂
直に移動、操作される。これにより、摺動刈刃（18a,18
b）は垂直面（44）に沿って移動する。When trimming the vertical surface (44), the operation stick (12)
Is moved and operated in parallel with the vertical plane (44) for mowing. Thereby, the sliding cutting blades (18a, 18
b) moves along the vertical plane (44).
以下、この考案を図面の実施例について説明する。 Hereinafter, this invention will be described with reference to embodiments of the drawings.
第１図は刈払機10の側面図である。操作桿12は、直線
的に延び、基端側及び先端側においてそれぞれエンジン
動力部14及び駆動ボックス16を取付けられている。摺動
刈刃18a,18bは、上下に重なり、基端側を駆動ボックス1
6の下部に取付けられ、相対的に往復摺動する。操作桿1
2は、摺動刈刃18a,18bの摺動方向に対して刈払機10の側
方から見て前記摺動刈刃18a,18bを含む平面に所定距離
離隔して平行に、かつ刈払機10の上方から見て同一直線
上に延びている。ハンドル20は、エンジン動力部14寄り
の位置において操作桿12に固定されている。FIG. 1 is a side view of the brush cutter 10. The operation rod 12 extends linearly, and has an engine power unit 14 and a drive box 16 attached to the base end and the distal end, respectively. The sliding cutting blades 18a and 18b are vertically overlapped, and the drive end of the drive box 1
It is attached to the lower part of 6, and slides back and forth relatively. Operation stick 1
2 is parallel to the plane including the sliding cutting blades 18a, 18b at a predetermined distance and parallel to the cutting direction when viewed from the side of the brush cutter 10 with respect to the sliding direction of the sliding cutting blades 18a, 18b. Extend on the same straight line when viewed from above. The handle 20 is fixed to the operation rod 12 at a position near the engine power unit 14.
第２図は駆動ボックス16内の構造図である。伝動軸22
は、操作桿12内を延び、エンジン動力部14（第１図）か
らの回転動力を伝達する。かさ歯車24は、伝動軸22の先
端部に一体回転的に結合し、ボールベアリング26により
回転自在に駆動ボックス16に支持されている。軸28は、
伝動軸22に対して直角方向へ駆動ボックス16内に延び、
２個のボールベアリング30により回転自在に駆動ボック
ス16に支持されている。かさ歯車32は、軸28の上端部に
固定され、かさ歯車24にかみ合って、回転動力をかさ歯
車24から軸28へ伝達する。偏心カム34a,34bは、中心を
軸28の中心線に対してそれぞれ反対方向へ偏心させて、
軸28の下端部に取付けられ、軸28の回転に伴って、中心
を軸28の中心線の周りに公転させる。アーム36a,36b
は、それぞれ偏心カム34a,34bに相対回転自在に嵌合
し、先端部においてそれぞれ摺動刈刃18a,18bの基端部
に結合している。摺動刈刃18a,18bは、図示していない
ガイドにより直線方向へ案内され、軸28の中心線の周り
における偏心カム34a,34bの中心の公転に伴って、直線
的な相対往復摺動を行なう。FIG. 2 is a structural view of the inside of the drive box 16. Transmission shaft 22
Extends in the operation rod 12 and transmits rotational power from the engine power unit 14 (FIG. 1). The bevel gear 24 is integrally and rotationally connected to the tip of the transmission shaft 22 and is rotatably supported by the drive box 16 by a ball bearing 26. Axis 28 is
Extends into the drive box 16 in a direction perpendicular to the transmission shaft 22,
It is rotatably supported by the drive box 16 by two ball bearings 30. The bevel gear 32 is fixed to the upper end of the shaft 28, meshes with the bevel gear 24, and transmits rotational power from the bevel gear 24 to the shaft 28. The eccentric cams 34a and 34b have their centers eccentric in opposite directions to the center line of the shaft 28, respectively.
It is attached to the lower end of the shaft 28 and revolves around the center line of the shaft 28 as the shaft 28 rotates. Arms 36a, 36b
Are rotatably fitted to the eccentric cams 34a and 34b, respectively, and are coupled at their distal ends to the base ends of the sliding cutting blades 18a and 18b, respectively. The sliding cutting blades 18a and 18b are guided in a linear direction by a guide (not shown), and perform linear relative reciprocating sliding with the revolution of the center of the eccentric cams 34a and 34b around the center line of the shaft 28. Do.
第３図は操作桿12の移動操作面A1と摺動刈刃18a,18b
の刈払い面A2との関係を示している。操作桿12が摺動刈
刃18a,18bの摺動方向に対して平行とされる結果、移動
操作面A1と刈払い面A2とは相互に平行となる。FIG. 3 shows the moving operation surface A1 of the operating rod 12 and the sliding cutting blades 18a, 18b.
Shows the relationship with the mowing surface A2. As a result of the operation rod 12 being parallel to the sliding direction of the sliding cutting blades 18a and 18b, the moving operation surface A1 and the brushing surface A2 are parallel to each other.
第４図は刈払機10による木立38の上面40の刈払い作業
を示している。作業者42は、操作桿12を上面40とほぼ同
じ高さに水平に保持し、操作桿12を水平方向へ移動、操
作する。これにより、摺動刈刃18a,18bは、上面40に沿
って移動し、上面40の高さにおける刈払いが行なわれ
る。FIG. 4 shows the cutting operation of the upper surface 40 of the grove 38 by the bush cutter 10. The operator 42 holds the operation rod 12 horizontally at substantially the same height as the upper surface 40, and moves and operates the operation rod 12 in the horizontal direction. Thereby, the sliding cutting blades 18a and 18b move along the upper surface 40, and mowing at the height of the upper surface 40 is performed.
第５図は刈払機10による軸28の垂直面44の刈払い作業
を示している。作業者42は、操作桿12を垂直面44に対し
て平行に、保持し、操作桿12を垂直方向へ移動、操作す
る。これにより、摺動刈刃18a,18bは垂直面44に沿って
移動し、垂直面44の刈払いが行なわれる。FIG. 5 shows the brushing operation of the vertical surface 44 of the shaft 28 by the brush cutter 10. The operator 42 holds the operation rod 12 parallel to the vertical surface 44, and moves and operates the operation rod 12 in the vertical direction. As a result, the sliding cutting blades 18a and 18b move along the vertical surface 44, and the cutting of the vertical surface 44 is performed.
なお、実施例の刈払機10では、摺動刈刃18a,18bが上
下にそれぞれ設けられて、相互に相対的に往復摺動する
ようになっているが、一方を固定刈刃として、その固定
刈刃に対して他方の摺動刈刃を相対的に往復摺動させる
刈払機にもこの考案は適用可能であることは言うまでも
ない。In the brush cutter 10 of the embodiment, the sliding cutting blades 18a and 18b are provided on the upper and lower sides, respectively, so as to reciprocate relative to each other. It goes without saying that the present invention is also applicable to a brush cutter in which the other sliding blade is reciprocally slid relative to the blade.
この考案では、操作桿が摺動刈刃を含む平面に対して
所定距離離隔して平行になっている結果、高いところの
水平面の刈払いを行なう場合も、操作桿をほぼ水平に保
持すればよく、刈払い面が作業者の背丈程の高さの場合
にも、支障なく、刈払いを行なうことができる。In this invention, as a result of the operation rod being parallel to the plane including the sliding cutting blade at a predetermined distance, even when cutting a high horizontal plane, the operation rod can be held substantially horizontally. Even when the mowing surface is as high as the height of the worker, mowing can be performed without any trouble.
また、垂直面の刈払いを行なう場合には、操作桿の移
動方向と刈払い面とが平行となるので、摺動刈刃の角度
や軌跡の想定が容易でかつ操作桿の移動操作が楽とな
り、作業能率が向上する。In addition, when mowing the vertical surface, the moving direction of the operating rod and the mowing surface are parallel to each other, so that it is easy to assume the angle and locus of the sliding cutting blade and to easily move the operating rod. And work efficiency is improved.
図面はこの考案の実施例に関し、第１図は刈払機の側面
図、第２図は駆動ボックス内の構造図、第３図は操作桿
の移動操作面と摺動刈刃の刈払い面との関係を示す図、
第４図は刈払機による木立の上面の刈払い作業を示す
図、第５図は刈払機による軸の垂直面の刈払い作業を示
す図である。 10……刈払機、12……操作桿、18a,18b……摺動刈刃、2
2……伝動軸、40……上面（水平面）、44……垂直面。1 is a side view of a brush cutter, FIG. 2 is a structural view of a drive box, and FIG. 3 is a diagram showing a moving operation surface of an operating rod and a brush cutter surface of a sliding cutter blade. Diagram showing the relationship of
FIG. 4 is a diagram showing a bush cutting operation on the upper surface of a grove by a bush cutter, and FIG. 5 is a diagram showing a bush cutting operation on a vertical surface of a shaft by the bush cutter. 10: brush cutter, 12: operating rod, 18a, 18b: sliding blade, 2
2 ... transmission shaft, 40 ... upper surface (horizontal surface), 44 ... vertical surface.
Claims (1)
先端側に取付けられ、前記操作桿（12）内に延びる伝動
軸（22）を介して伝達される回転動力により前記操作桿
（12）に平行に往復摺動する刈払機（10）において、前
記操作桿（12）は、前記摺動刈刃（18a,18b）を含む平
面に所定距離離隔されてなることを特徴とする刈払機。A rotary cutting blade is mounted on the distal end of an operating rod, and a rotary power transmitted through a transmission shaft extending into the operating rod. In the brush cutter (10) reciprocatingly sliding in parallel with the operating rod (12), the operating rod (12) is separated by a predetermined distance from a plane including the sliding cutting blades (18a, 18b). A brush cutter characterized by the following.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990108935U JP2541820Y2 (en) | 1990-10-19 | 1990-10-19 | Brush cutter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990108935U JP2541820Y2 (en) | 1990-10-19 | 1990-10-19 | Brush cutter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0465022U JPH0465022U (en) | 1992-06-04 |
| JP2541820Y2 true JP2541820Y2 (en) | 1997-07-23 |
Family
ID=31856079
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990108935U Expired - Lifetime JP2541820Y2 (en) | 1990-10-19 | 1990-10-19 | Brush cutter |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2541820Y2 (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS545908B2 (en) * | 1973-06-18 | 1979-03-22 | ||
| US4196438A (en) * | 1976-09-29 | 1980-04-01 | Rca Corporation | Article and device having an amorphous silicon containing a halogen and method of fabrication |
-
1990
- 1990-10-19 JP JP1990108935U patent/JP2541820Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0465022U (en) | 1992-06-04 |
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