JP7253471B2 - 往復動刈刃装置及び手持ち作業機 - Google Patents
往復動刈刃装置及び手持ち作業機 Download PDFInfo
- Publication number
- JP7253471B2 JP7253471B2 JP2019143061A JP2019143061A JP7253471B2 JP 7253471 B2 JP7253471 B2 JP 7253471B2 JP 2019143061 A JP2019143061 A JP 2019143061A JP 2019143061 A JP2019143061 A JP 2019143061A JP 7253471 B2 JP7253471 B2 JP 7253471B2
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- Japan
- Prior art keywords
- reciprocating
- cutting blade
- pair
- reciprocating cutting
- axis
- 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.)
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/04—Apparatus for trimming hedges, e.g. hedge shears
- A01G3/047—Apparatus for trimming hedges, e.g. hedge shears portable
- A01G3/053—Apparatus for trimming hedges, e.g. hedge shears portable motor-driven
-
- 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
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/08—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters hand-guided by a walking operator
- A01D34/10—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters hand-guided by a walking operator with motor driven cutters or wheels
-
- 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
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/13—Cutting apparatus
-
- 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
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/13—Cutting apparatus
- A01D34/135—Cutting apparatus having oppositely movable cooperating knife-bars
-
- 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
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/30—Driving mechanisms for the cutters
-
- 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
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/40—Other details
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/04—Apparatus for trimming hedges, e.g. hedge shears
- A01G3/0435—Machines specially adapted for shaping plants, e.g. topiaries
-
- 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
- A01D34/02—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having reciprocating cutters
- A01D34/13—Cutting apparatus
- A01D34/17—Holding-down devices for the knife
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/04—Apparatus for trimming hedges, e.g. hedge shears
- A01G2003/0461—Apparatus for trimming hedges, e.g. hedge shears with reciprocating knives
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G3/00—Cutting implements specially adapted for horticultural purposes; Delimbing standing trees
- A01G3/06—Hand-held edge trimmers or shears for lawns
- A01G3/067—Motor-driven shears for lawns
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Ecology (AREA)
- Forests & Forestry (AREA)
- Harvester Elements (AREA)
Description
厚さ方向に互いに重ねた状態で配置される一対の往復動刈刃と、前記往復動刈刃を往復動させる伝動機構を具備する伝動ケースとを備え、前記伝動機構は、一対の偏心カムと、一対の前記偏心カムにそれぞれ嵌合する嵌合孔を有する一対の往復移動体とを備え、前記往復移動体は、前記往復動刈刃の移動方向と平行で且つ前記偏心カムの回転軸を通る軸線に沿って移動自在にガイドされ、前記往復移動体には、前記嵌合孔を挟んだ両側に一対のガイド孔が設けられ、前記伝動ケースには、前記ガイド孔に係合する一対のガイド部材が設けられ、一対の前記ガイド部材は、前記軸線上の前記回転軸から等しい距離に配置され、前記往復移動体における前記軸線に沿った中央には、前記往復動刈刃の中央部に設けた凹部に着脱自在に係合する凸部が前記軸線に対して直交する方向に突出して設けられていることを特徴とする往復動刈刃装置。
10:手持ち作業機,11:操作桿,12:駆動部,
13:操作ハンドル,13A:把持部,
14:ハウジング,14A:リアハンドル,14B:操作スイッチ,
15:バッテリーユニット,
2:往復動刈刃(刈刃),2A,2B:刃物,
20:基部,20A:長孔,20B:凹部,21:刃部,
3:伝動ケース,3A:孔,
30,30A,30B:往復移動体,
30t:連結部,30m:嵌合孔,30n:ガイド孔,
31:偏心カム,31X:回転軸,32:支持部材,32A:ガイド部材,
33:操作桿装着部,33A:角度調整機構,
4:刈刃支持部材,4A:上支持板,4B:下支持板,40:スペーサ,
41:取り付けネジ,41A:ネジ孔,
42:締結ネジ,42A:締結箇所,
43(43A,43B,43C,43D):調整ネジ,44:ワッシャ,
45:ネジ孔,46:固定ナット,
50,51,52,53:位置合わせ孔,Op:中心,Gp:軸線
Claims (2)
- 厚さ方向に互いに重ねた状態で配置される一対の往復動刈刃と、前記往復動刈刃を往復動させる伝動機構を具備する伝動ケースとを備え、
前記伝動機構は、
一対の偏心カムと、一対の前記偏心カムにそれぞれ嵌合する嵌合孔を有する一対の往復移動体とを備え、
前記往復移動体は、前記往復動刈刃の移動方向と平行で且つ前記偏心カムの回転軸を通る軸線に沿って移動自在にガイドされ、
前記往復移動体には、前記嵌合孔を挟んだ両側に一対のガイド孔が設けられ、
前記伝動ケースには、前記ガイド孔に係合する一対のガイド部材が設けられ、
一対の前記ガイド部材は、前記軸線上の前記回転軸から等しい距離に配置され、
前記往復移動体における前記軸線に沿った中央には、前記往復動刈刃の中央部に設けた凹部に着脱自在に係合する凸部が前記軸線に対して直交する方向に突出して設けられていることを特徴とする往復動刈刃装置。 - 請求項1記載の往復動刈刃装置を備える手持ち作業機であって、
前記伝動ケースが先端部に装着される操作桿を備え、
前記操作桿の内部には、前記伝動機構に動力を伝達する駆動軸が設けられ、
前記操作桿の基端には、前記駆動軸を駆動する駆動部が配備され、
前記往復動刈刃の長手方向が、前記操作桿の長手方向に対して交差する方向に配備されていることを特徴とする手持ち作業機。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019143061A JP7253471B2 (ja) | 2019-08-02 | 2019-08-02 | 往復動刈刃装置及び手持ち作業機 |
CN202010649945.1A CN112293039B (zh) | 2019-08-02 | 2020-07-08 | 往复移动割刀装置以及手持作业机 |
US16/936,770 US11272671B2 (en) | 2019-08-02 | 2020-07-23 | Reciprocating blade apparatus and handheld working machine |
EP20188502.7A EP3771329A1 (en) | 2019-08-02 | 2020-07-30 | Reciprocating blade apparatus and handheld working machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2019143061A JP7253471B2 (ja) | 2019-08-02 | 2019-08-02 | 往復動刈刃装置及び手持ち作業機 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021023187A JP2021023187A (ja) | 2021-02-22 |
JP7253471B2 true JP7253471B2 (ja) | 2023-04-06 |
Family
ID=71894616
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2019143061A Active JP7253471B2 (ja) | 2019-08-02 | 2019-08-02 | 往復動刈刃装置及び手持ち作業機 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11272671B2 (ja) |
EP (1) | EP3771329A1 (ja) |
JP (1) | JP7253471B2 (ja) |
CN (1) | CN112293039B (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7253461B2 (ja) * | 2019-06-28 | 2023-04-06 | 株式会社やまびこ | 往復動刈刃装置及び手持ち作業機 |
JP7253460B2 (ja) * | 2019-06-28 | 2023-04-06 | 株式会社やまびこ | 往復動刈刃装置及び手持ち作業機 |
JP7253471B2 (ja) * | 2019-08-02 | 2023-04-06 | 株式会社やまびこ | 往復動刈刃装置及び手持ち作業機 |
DE102020005909A1 (de) * | 2019-10-07 | 2021-04-08 | Makita Corporation | Heckenschere |
DE102022115092A1 (de) * | 2022-06-15 | 2023-12-21 | Markus Kress | Schneidgerät, insbesondere Grasschneidgerät, bevorzugt Rasenkantenschneidgerät |
Citations (3)
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JP2006204125A (ja) | 2005-01-26 | 2006-08-10 | Ars Corporation | 刈込機 |
JP2016049082A (ja) | 2014-09-02 | 2016-04-11 | 株式会社源平刃物工場 | 刈刃ユニットおよびバリカン式刈刃装置 |
WO2017185478A1 (en) | 2016-04-29 | 2017-11-02 | Hangzhou Lutz Technology Co., Ltd. | Multifunctional tool and core structure thereof |
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JP7253460B2 (ja) * | 2019-06-28 | 2023-04-06 | 株式会社やまびこ | 往復動刈刃装置及び手持ち作業機 |
JP7253471B2 (ja) * | 2019-08-02 | 2023-04-06 | 株式会社やまびこ | 往復動刈刃装置及び手持ち作業機 |
DE102020005909A1 (de) * | 2019-10-07 | 2021-04-08 | Makita Corporation | Heckenschere |
-
2019
- 2019-08-02 JP JP2019143061A patent/JP7253471B2/ja active Active
-
2020
- 2020-07-08 CN CN202010649945.1A patent/CN112293039B/zh active Active
- 2020-07-23 US US16/936,770 patent/US11272671B2/en active Active
- 2020-07-30 EP EP20188502.7A patent/EP3771329A1/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006204125A (ja) | 2005-01-26 | 2006-08-10 | Ars Corporation | 刈込機 |
JP2016049082A (ja) | 2014-09-02 | 2016-04-11 | 株式会社源平刃物工場 | 刈刃ユニットおよびバリカン式刈刃装置 |
WO2017185478A1 (en) | 2016-04-29 | 2017-11-02 | Hangzhou Lutz Technology Co., Ltd. | Multifunctional tool and core structure thereof |
Also Published As
Publication number | Publication date |
---|---|
JP2021023187A (ja) | 2021-02-22 |
US20210029887A1 (en) | 2021-02-04 |
CN112293039A (zh) | 2021-02-02 |
CN112293039B (zh) | 2024-06-04 |
EP3771329A1 (en) | 2021-02-03 |
US11272671B2 (en) | 2022-03-15 |
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