JPH08256556A - Front mount-type sulky lawn mower - Google Patents
Front mount-type sulky lawn mowerInfo
- Publication number
- JPH08256556A JPH08256556A JP6042995A JP6042995A JPH08256556A JP H08256556 A JPH08256556 A JP H08256556A JP 6042995 A JP6042995 A JP 6042995A JP 6042995 A JP6042995 A JP 6042995A JP H08256556 A JPH08256556 A JP H08256556A
- Authority
- JP
- Japan
- Prior art keywords
- mower
- posture
- maintenance
- lawn
- cutting blade
- 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.)
- Granted
Links
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
- A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
- A01D34/64—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
- A01D2034/645—Lifting means for the cutter of the lawnmower mounted at the front of the vehicle for inspection and maintenance
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、車体の前部に操縦部ス
テップを前方張出し状に設け、この操縦部ステップの下
側に配備した昇降リンクの前部遊端に、操縦部ステップ
下方に一部を入り込ませたモーアを横軸芯周りに回転自
在に吊下げ支持して、前記モーアを、芝に対向する作業
姿勢と、チルトアップしたメンテナンス姿勢とに切換え
自在に構成してあるフロントマウント型芝刈機に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention is provided with a steering step at the front of a vehicle body in the form of a projecting front, and at the front free end of a lifting link arranged below this steering step, the steering step below the steering step. A front mount configured to hang and support a mower with a part of it rotatably around a horizontal axis, and to switch the mower between a working position facing the turf and a tilted-up maintenance position. Type lawnmower.
【０００２】[0002]
【従来の技術】従来、上記のフロントマウント型乗用芝
刈機では、モーアの刈刃ハウジングの上面部で、モーア
の重心よりも前方側の部位を、昇降リンクの前部遊端に
連結して吊下げ支持してあった。2. Description of the Related Art Conventionally, in the above-mentioned front-mounted riding lawn mower, a portion of the upper surface of the mower blade housing on the front side of the center of gravity of the mower is connected to the front free end of the elevating link and suspended. I supported it.
【０００３】[0003]
【発明が解決しようとする課題】上記従来の構成によれ
ば、モーアの刈刃ハウジングの上面部で、モーアの重心
よりも前方側の部位を、昇降リンクの前部遊端に連結し
て吊下げ支持してあったことから、吊下げ支持点からモ
ーア後端部までの長さが長くなり、メンテンス姿勢にす
る際にモーアの後端部が地面側につかえやすくなって、
モーアの地面からの立ち上がり角を大きくすることが困
難であった。このため、刈刃ハウジングの底面が前方に
大きく露出せず、刈刃交換などのメンテナンスに手間が
かかっていた。According to the above-mentioned conventional structure, a portion of the upper surface of the mower blade housing on the front side of the center of gravity of the mower is connected to the front free end of the elevating link and suspended. Since it was supported by lowering, the length from the suspension support point to the rear end of the mower becomes longer, and the rear end of the mower can easily be held on the ground side when maintaining the posture.
It was difficult to increase the rising angle of the mower from the ground. For this reason, the bottom surface of the cutting blade housing is not exposed to the front so that maintenance such as replacement of the cutting blade is troublesome.
【０００４】本発明の目的は、モーアのメンテナンスを
簡単に行えるようにすることにある。An object of the present invention is to facilitate maintenance of a mower.
【０００５】[0005]
【課題を解決するための手段】本発明の特徴構成は、モ
ーアの刈刃ハウジングの上面部で、前記モーアの重心よ
りも後方側の部位を、昇降リンクの前部遊端に連結して
吊下げ支持し、メンテナンス姿勢で前記モーアを姿勢保
持するための姿勢保持部を設けてあることにある。The feature of the present invention is that the mower blade housing has a top surface portion which is connected to a front free end of a lifting link by connecting a portion rearward of the center of gravity of the mower. A posture holding unit for holding the posture of the mower in a maintenance posture by supporting the mower in a lowered state is provided.
【０００６】[0006]
【作用】モーアの刈刃ハウジングの上面部で、前記モー
アの重心よりも後方側の部位を、昇降リンクの前部遊端
に連結して吊下げ支持してあるから、吊下げ支持点から
モーア後端部までの長さが短くなり、モーアを人為的に
反転してメンテンス姿勢にする際にモーアの後端部が地
面側につかえにくくなって、モーアの地面からの立ち上
がり角を大きくすることができる。この場合、モーアの
重心が前記吊下げ支持点よりも前方に位置するために、
メンテンス姿勢に反転されたモーアは前側に下がろうと
するが、前記姿勢保持部によりモーアを姿勢保持するこ
とで、メンテンス姿勢を維持することができる。In the mower's cutting blade housing, a portion of the mower on the rear side of the center of gravity of the mower is connected to the front free end of the elevating link to suspend and support the mower. The length to the rear end is shortened, and it becomes difficult for the rear end of the mower to touch the ground side when the mower is artificially inverted and placed in the maintenance posture, and the rising angle of the mower from the ground is increased. You can In this case, since the center of gravity of the mower is located in front of the suspension supporting point,
Although the mower that has been inverted to the maintenance posture tries to move down to the front side, the maintenance posture can be maintained by holding the posture of the mower by the posture holding unit.
【０００７】上記のように、メンテンス姿勢におけるモ
ーアの地面からの立ち上がり角を大きくすることができ
るから、刈刃ハウジングの底面が前方に大きく露出し、
刈刃交換などのメンテナンスを簡単に行うことができ
る。As described above, since the rising angle of the mower from the ground in the maintenance posture can be increased, the bottom surface of the cutting blade housing is largely exposed forward,
Maintenance such as cutting blade replacement can be performed easily.
【０００８】[0008]
【発明の効果】従って、モーアのメンテナンスを簡単に
行うことができるから、メンテナンスの作業性を向上さ
せることができた。Since the mower can be easily maintained, the workability of the maintenance can be improved.
【０００９】[0009]
【実施例】図３にフロントマウント型乗用芝刈機の全体
を示してある。この芝刈機は、機体フレーム１の下方に
前輪２及び後輪３を備えると共に、この機体フレーム１
の上方の前部に運転部４、後部に原動部５を配備してあ
り、機体フレーム１の前方にモーアＭを昇降自在に配備
した構成となっている。EXAMPLE FIG. 3 shows the entire front-mounted riding lawn mower. The lawn mower includes front wheels 2 and rear wheels 3 below a body frame 1, and
A driving unit 4 is provided in the front part above and a driving unit 5 is provided in the rear part, and a mower M is provided in the front of the machine body frame 1 so as to be vertically movable.
【００１０】前記モーアＭは、刈刃ハウジング６の前部
にゲージ輪７を装備し、操縦ステップ８の下方に大きく
入り込ませた状態で、機体から延出された昇降リンク９
の先端に連結してある。The mower M is equipped with a gauge wheel 7 on the front part of the cutting blade housing 6, and a lifting link 9 extended from the machine body in a state where the gauge wheel 7 is largely inserted below the control step 8.
It is connected to the tip of.
【００１１】図１（イ），（ロ），図２に示すように、
前記昇降リンク９は、基端側リンク部分９ａと先端側リ
ンク部分９ｂとを一体的に連結してなるリンク部材を、
左右一対設けて構成してあり、機体に支点Ｘ1 を中心に
上下揺動自在に枢支連結されていると共に、油圧シリン
ダ１０によって支点Ｘ2 周りに揺動駆動されるリフトア
ーム１１並びに吊下げロッド１２を介して昇降駆動可能
に構成してある。As shown in FIGS. 1 (a), (b) and FIG.
The elevating link 9 includes a link member formed by integrally connecting a base end side link portion 9a and a tip end side link portion 9b,
A pair of left and right is provided, which is pivotally connected to the machine body so as to be vertically swingable about a fulcrum X 1, and is lifted by a hydraulic cylinder 10 to be oscillated around the fulcrum X 2 and a suspension. It is configured so that it can be driven up and down via the rod 12.
【００１２】前記モーアＭは、刈刃ハウジング６の上面
部に設けた左右一対の第１連結ブラケット１７上でモー
アＭの重心Ｗよりも後方側の部位を、昇降リンク９にお
ける各先端側リンク部分９ｂの前部遊端に、横軸芯周り
に回転自在に吊下げ支持して、芝に対向する作業姿勢
と、チルトアップしたメンテナンス姿勢とに切換え自在
に構成してある。The mower M is located on the pair of left and right first connecting brackets 17 provided on the upper surface of the cutting blade housing 6 at a portion rearward of the center of gravity W of the mower M at each tip side link portion of the elevating link 9. The front free end of 9b is rotatably suspended and supported around the horizontal axis, and can be freely switched between a working position facing the grass and a tilted-up maintenance position.
【００１３】前記先端側リンク部分９ｂの前部遊端と第
１連結ブラケット１７との間には、前記メンテナンス姿
勢でモーアＭを姿勢保持するためのロック機構Ｒ（姿勢
保持部の一例）を設けてある。図１（イ），（ロ），図
２に示すようにロック機構Ｒは、横向きの係合孔１５を
第１連結ブラケット１７に形成し、前記係合孔１５に係
脱自在なＬ形の横向き段付ピン１６を、先端側リンク部
分９ｂの前部遊端に設けて構成してある。詳しくは、先
端側リンク部分９ｂの前部遊端に「コ」の字状の支持部
材２２の側壁部を固着し、その支持部材２２の両側壁部
にわたってピン１６を挿通させ、両側壁部間でピン１６
に外嵌したスプリング１８によってピン１６を左右内方
側に突出付勢して、前記モーアＭがメンテナンス姿勢に
なるに伴って、ピン１６が第１連結ブラケット１７の側
面に押圧され、付勢力に抗して左右外方側に引退した
後、係合孔１５に前記付勢力によって係入し、一方、ピ
ン１６の屈曲頭部をスプリング１８の付勢力に抗して引
張り操作するに伴って、係入が解除されるよう構成して
ある。A lock mechanism R (an example of a posture holding portion) for holding the posture of the mower M in the maintenance posture is provided between the front free end of the tip side link portion 9b and the first connecting bracket 17. There is. As shown in FIGS. 1A, 1 </ b> B, and 2, the lock mechanism R has a laterally-shaped engaging hole 15 formed in the first connecting bracket 17, and is of an L-shape that can be engaged with and disengaged from the engaging hole 15. The lateral stepped pin 16 is provided at the front free end of the tip side link portion 9b. More specifically, the side wall of the U-shaped support member 22 is fixed to the front free end of the tip side link portion 9b, and the pin 16 is inserted over both side wall parts of the support member 22 so that the space between both side wall parts is fixed. Pin 16
The spring 18 externally fitted to the pin 16 urges the pin 16 so as to project inward in the left and right directions, and as the mower M enters the maintenance posture, the pin 16 is pressed against the side surface of the first connecting bracket 17 to generate an urging force. After being retreated to the left and right outwards, it is engaged with the engaging hole 15 by the urging force, while the bending head of the pin 16 is pulled against the urging force of the spring 18, It is configured to be released from engagement.
【００１４】また、刈刃ハウジング６の後部上面に設け
た第２連結ブラケット２０に、連結ロッド２１の一端部
を枢支連結するとともに、前記先端側リンク部分９ｂの
中間部に設けた第３ブラケット２３に、前記連結ロッド
２１の他端部を着脱自在に取付けて、刈刃ハウジング６
の後部と昇降リンク９とを連結及び連結解除自在に構成
してある。Further, one end of the connecting rod 21 is pivotally connected to the second connecting bracket 20 provided on the upper surface of the rear portion of the cutting blade housing 6, and the third bracket is provided at the intermediate portion of the tip side link portion 9b. 23, the other end of the connecting rod 21 is detachably attached to the cutting blade housing 6
The rear part and the elevating link 9 can be connected and disconnected freely.
【００１５】上記の構成において通常の刈取作業時に
は、図１の（イ）に示すように、モーアＭを操縦部ステ
ップ８の下方に大きく入り込ませ、昇降リンク９の第３
ブラケット２３と刈刃ハウジング６の第２連結ブラケッ
ト２０とを、連結ロッド２１を介して連結した状態で芝
を刈取る。In the above-described structure, during normal mowing work, as shown in FIG. 1 (a), the mower M is largely inserted below the control section step 8 and the third lifting link 9 is moved.
The lawn is cut while the bracket 23 and the second connecting bracket 20 of the cutting blade housing 6 are connected via the connecting rod 21.
【００１６】刈刃ハウジング６内の清掃や刈刃の交換な
どのメンテナンス作業時には、図１（ロ）に示すよう
に、連結ロッド２１の端部を第３連結ブラケット２３か
ら取外し、第２，第３連結ブラケット２０，２３の連結
を解除して、モーアＭを人為的に前部支点Ｘ3 を中心に
大きく前上り反転させ、刈刃ハウジング６の底面を前方
に大きく露出させた状態で、ロック機構Ｒを作用させモ
ーアＭをメンテナンス姿勢に姿勢保持して、メンテナン
スを行う。During maintenance work such as cleaning of the inside of the cutting blade housing 6 and replacement of the cutting blade, the end portion of the connecting rod 21 is removed from the third connecting bracket 23 as shown in FIG. 3 to release the connection of the connecting bracket 20 and 23, the mower unit M artificially increased before up inversion about the front fulcrum X 3, while exposing a large bottom surface of the cutting blade housing 6 forward, locking The mechanism R is actuated to maintain the mower M in the maintenance posture and maintenance is performed.
【００１７】〔別実施例〕前記ロック機構Ｒを、係合孔
と単なるピンとから構成して、作業者が係合孔にピンを
係脱操作するようにしてもよい。[Other Embodiments] The lock mechanism R may be composed of an engagement hole and a simple pin so that an operator can engage and disengage the pin with the engagement hole.
【００１８】尚、特許請求の範囲の項に図面との対照を
便利にするために符号を記すが、該記入により本発明は
添付図面の構成に限定されるものではない。It should be noted that reference numerals are given in the claims for convenience of comparison with the drawings, but the present invention is not limited to the configurations of the accompanying drawings by the entry.
【図１】（イ）作業姿勢にあるモーアを示す側面図 （ロ）メンテナンス姿勢にあるモーアを示す側面図1A is a side view showing a mower in a working position, and FIG. 1B is a side view showing a mower in a maintenance position.
【図２】モーアの底面図[Figure 2] Bottom view of mower
【図３】芝刈機の全体側面図[Figure 3] Overall side view of the lawn mower
６ 刈刃ハウジン ８ 操縦部ステップ ９ 昇降リンク Ｒ 姿勢保持部 Ｍ モーア Ｗ 重心 6 Cutting blade Hauzin 8 Control section Step 9 Lifting link R Posture holding section M Mower W Center of gravity
Claims (1)
方張出し状に設け、この操縦部ステップ（８）の下側に
配備した昇降リンク（９）の前部遊端に、操縦部ステッ
プ（８）下方に一部を入り込ませたモーア（Ｍ）を横軸
芯周りに回転自在に吊下げ支持して、前記モーア（Ｍ）
を、芝に対向する作業姿勢と、チルトアップしたメンテ
ナンス姿勢とに切換え自在に構成してあるフロントマウ
ント型乗用芝刈機であって、 前記モーア（Ｍ）の刈刃ハウジング（６）の上面部で、
前記モーア（Ｍ）の重心（Ｗ）よりも後方側の部位を、
前記昇降リンク（９）の前部遊端に連結して吊下げ支持
し、前記メンテナンス姿勢で前記モーア（Ｍ）を姿勢保
持するための姿勢保持部（Ｒ）を設けてあるフロントマ
ウント型乗用芝刈機。1. A control section step (8) is provided on the front part of the vehicle body so as to project forward, and a control section is provided at the front free end of a lifting link (9) arranged below this control section step (8). In step (8), the mower (M) partially inserted below is rotatably suspended and supported around the horizontal axis, and the mower (M) is supported.
Is a front-mount type riding lawn mower configured to be freely switchable between a working posture facing the lawn and a tilted-up maintenance posture, wherein the cutting blade housing (6) of the mower (M) has an upper surface. ,
A portion on the rear side of the center of gravity (W) of the mower (M),
Front mount riding lawn mower, which is connected to the front free end of the elevating link (9) and is suspended and supported, and is provided with a posture holding portion (R) for holding the mower (M) in the maintenance posture. Machine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7060429A JP3025170B2 (en) | 1995-03-20 | 1995-03-20 | Front mounted riding lawn mower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7060429A JP3025170B2 (en) | 1995-03-20 | 1995-03-20 | Front mounted riding lawn mower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH08256556A true JPH08256556A (en) | 1996-10-08 |
| JP3025170B2 JP3025170B2 (en) | 2000-03-27 |
Family
ID=13141991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7060429A Expired - Fee Related JP3025170B2 (en) | 1995-03-20 | 1995-03-20 | Front mounted riding lawn mower |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3025170B2 (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0891692A1 (en) * | 1997-07-16 | 1999-01-20 | Deere & Company | Suspension of a mower connectable to a vehicle |
| FR2887396A1 (en) * | 2005-06-27 | 2006-12-29 | Kubota Kk | AUTOPORATED TURF MOWER HAVING A FRONT MOWER UNIT |
| JP2007000111A (en) * | 2005-06-27 | 2007-01-11 | Kubota Corp | Mower |
| EP1759569A1 (en) * | 2005-09-02 | 2007-03-07 | Husqvarna AB | Lawn mower |
| JP2007185128A (en) * | 2006-01-12 | 2007-07-26 | Kubota Corp | Mower |
| US7451586B1 (en) | 2006-05-18 | 2008-11-18 | Exmark Mfg. Co., Inc. | Front rotary cutting deck having folded service/storage positions |
| US7735306B2 (en) | 2005-09-29 | 2010-06-15 | Kubota Corporation | Rear discharge type mower apparatus |
| EP3138377A1 (en) * | 2015-06-25 | 2017-03-08 | GGP Italy S.p.A. | Lawn mower with self-centering connection arm |
| EP3794924A1 (en) * | 2009-06-01 | 2021-03-24 | Husqvarna AB | Lawn mower |
| US11653595B2 (en) | 2019-10-08 | 2023-05-23 | The Toro Company | Mower with front mounted rotary cutting deck having a tipped up service position |
-
1995
- 1995-03-20 JP JP7060429A patent/JP3025170B2/en not_active Expired - Fee Related
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0891692A1 (en) * | 1997-07-16 | 1999-01-20 | Deere & Company | Suspension of a mower connectable to a vehicle |
| US5927055A (en) * | 1997-07-16 | 1999-07-27 | Deere & Company | Pivoting mower deck mechanism |
| FR2887396A1 (en) * | 2005-06-27 | 2006-12-29 | Kubota Kk | AUTOPORATED TURF MOWER HAVING A FRONT MOWER UNIT |
| JP2007000111A (en) * | 2005-06-27 | 2007-01-11 | Kubota Corp | Mower |
| JP2007000110A (en) * | 2005-06-27 | 2007-01-11 | Kubota Corp | Mower |
| JP4537897B2 (en) * | 2005-06-27 | 2010-09-08 | 株式会社クボタ | Mower |
| JP4520909B2 (en) * | 2005-06-27 | 2010-08-11 | 株式会社クボタ | Mower |
| US7481036B2 (en) | 2005-09-02 | 2009-01-27 | Husqvarna Ab | Accessible lawn mower deck |
| EP1759569A1 (en) * | 2005-09-02 | 2007-03-07 | Husqvarna AB | Lawn mower |
| US7735306B2 (en) | 2005-09-29 | 2010-06-15 | Kubota Corporation | Rear discharge type mower apparatus |
| US8099938B2 (en) | 2005-09-29 | 2012-01-24 | Kubota Corporation | Rear discharge type mower apparatus having a pair of auxiliary plates for directing grass to a discharge opening |
| JP2007185128A (en) * | 2006-01-12 | 2007-07-26 | Kubota Corp | Mower |
| JP4551333B2 (en) * | 2006-01-12 | 2010-09-29 | 株式会社クボタ | Mower |
| US7451586B1 (en) | 2006-05-18 | 2008-11-18 | Exmark Mfg. Co., Inc. | Front rotary cutting deck having folded service/storage positions |
| EP3794924A1 (en) * | 2009-06-01 | 2021-03-24 | Husqvarna AB | Lawn mower |
| EP3138377A1 (en) * | 2015-06-25 | 2017-03-08 | GGP Italy S.p.A. | Lawn mower with self-centering connection arm |
| US11653595B2 (en) | 2019-10-08 | 2023-05-23 | The Toro Company | Mower with front mounted rotary cutting deck having a tipped up service position |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3025170B2 (en) | 2000-03-27 |
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