CA2869537C - Trimmer head - Google Patents

Trimmer head Download PDF

Info

Publication number
CA2869537C
CA2869537C CA2869537A CA2869537A CA2869537C CA 2869537 C CA2869537 C CA 2869537C CA 2869537 A CA2869537 A CA 2869537A CA 2869537 A CA2869537 A CA 2869537A CA 2869537 C CA2869537 C CA 2869537C
Authority
CA
Canada
Prior art keywords
line
spool
housing
teeth
trimmer head
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 - Fee Related
Application number
CA2869537A
Other languages
English (en)
French (fr)
Other versions
CA2869537A1 (en
Inventor
Hanzheng Li
Toshinari Yamaoka
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.)
Chevron Intellectual Property Ltd
Original Assignee
Chevron Intellectual Property Ltd
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 Chevron Intellectual Property Ltd filed Critical Chevron Intellectual Property Ltd
Publication of CA2869537A1 publication Critical patent/CA2869537A1/en
Application granted granted Critical
Publication of CA2869537C publication Critical patent/CA2869537C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • A01D34/416—Flexible line cutters
    • A01D34/4161—Means for feeding cutter line
    • 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
    • A01D34/4166—Mounting or replacement of the lines
    • 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
    • A01D34/4161—Means for feeding cutter line
    • A01D34/4163—Means for feeding cutter line by triggered line feedout, e.g. bump-feeding

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
CA2869537A 2013-11-05 2014-11-04 Trimmer head Expired - Fee Related CA2869537C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN201310542646.8A CN104604426A (zh) 2013-11-05 2013-11-05 打草头
CN201310542646.8 2013-11-05
US14/529,405 US20150121707A1 (en) 2013-11-05 2014-10-31 Trimmer head
US14/529,405 2014-10-31

Publications (2)

Publication Number Publication Date
CA2869537A1 CA2869537A1 (en) 2015-05-05
CA2869537C true CA2869537C (en) 2017-07-18

Family

ID=51946294

Family Applications (1)

Application Number Title Priority Date Filing Date
CA2869537A Expired - Fee Related CA2869537C (en) 2013-11-05 2014-11-04 Trimmer head

Country Status (7)

Country Link
US (1) US20150121707A1 (enExample)
CN (1) CN104604426A (enExample)
AU (1) AU2014101328A4 (enExample)
CA (1) CA2869537C (enExample)
DE (1) DE202014105254U1 (enExample)
FR (1) FR3012722B3 (enExample)
GB (1) GB2521747A (enExample)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5271433B2 (ja) * 2011-04-15 2013-08-21 ブイアイブイエンジニアリング株式会社 刈払機
US10130030B2 (en) * 2014-05-27 2018-11-20 Mtd Products Inc Trimmer head
PL3011821T3 (pl) * 2014-10-21 2020-06-29 Tecomec S.R.L. Korpus spustowy dla głowicy do obcinania krawędzi i głowica do obcinania krawędzi
USD769087S1 (en) * 2015-11-22 2016-10-18 George E. Alliss Weed trimmer head spool with angled guide channel
USD769088S1 (en) * 2015-11-22 2016-10-18 George E. Alliss Weed trimmer head spool with angled guide channel
USD769086S1 (en) * 2015-11-22 2016-10-18 George E. Alliss Weed trimmer head spool with angled guide channel
US10440882B2 (en) * 2016-01-22 2019-10-15 Nanjing Chervon Industry Co., Ltd. Grass trimmer, operating method thereof and control method thereof
US11818979B2 (en) * 2016-01-22 2023-11-21 Nanjing Chervon Industry Co., Ltd. Grass trimmer
CA3012335A1 (en) * 2016-02-22 2017-08-31 Mtd Products Inc Multi-mode trimmer head
WO2018057428A1 (en) * 2016-09-20 2018-03-29 Alliss George E Easy load trimmer head spool with non-radial guide channel
US20180098493A1 (en) * 2016-10-13 2018-04-12 Black & Decker Inc. Powered spool line winding mechanism for string trimmer
AU2018314618B2 (en) * 2017-08-07 2021-03-25 Nanjing Chervon Industry Co., Ltd. Grass mowing head and lawnmower comprising said grass mowing head
US11122735B2 (en) * 2017-09-12 2021-09-21 Milwaukee Electric Tool Corporation String trimmer head and spool
CN110177455B (zh) * 2018-04-02 2021-10-12 南京德朔实业有限公司 打草机
CN110337935B (zh) * 2018-04-02 2022-06-10 南京泉峰科技有限公司 打草机
EP3622794B1 (en) * 2018-09-12 2022-03-02 Tecomec S.r.l. A winding spool for a wire for a trimmer head
CN109463162A (zh) * 2019-01-07 2019-03-15 国网冀北电力有限公司秦皇岛供电公司 防止电杆上藤蔓植物攀爬的装置
US12133482B2 (en) * 2019-09-17 2024-11-05 Nanjing Chervon Industry Co., Ltd. Trimmer head and string trimmer
EP3831181B1 (de) * 2019-12-04 2024-02-21 Andreas Stihl AG & Co. KG Fadenspule für einen fadenmähkopf
CN111802054A (zh) * 2020-06-17 2020-10-23 袁锋 防缠打草头
USD992379S1 (en) * 2020-11-13 2023-07-18 TwoY. co. ltd. Trimmer head winding wheel
CN116267180B (zh) * 2023-05-12 2023-08-01 山西省林业和草原局核算中心 一种林业除草装置
CN118235602B (zh) * 2024-05-28 2024-08-02 洛阳五联机械科技有限公司 一种用于园林工程的割草机

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL102887A (en) * 1992-08-20 1994-10-21 Shimon Ner Gaon Release mechanism for rotating head for pruning machines
EP0784919B1 (en) * 1995-12-18 2001-11-28 ACTIVE srl An improved cutting head particularly for nylon-cord type mowers
DE19835504C2 (de) * 1998-08-06 2000-12-07 Stihl Maschf Andreas Fadenmähkopf
US7513046B2 (en) * 2003-10-02 2009-04-07 Proulx Manufacturing, Inc. Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism
US6901667B2 (en) * 2003-10-02 2005-06-07 Proulx Manufacturing, Inc. Trimmer head for use in flexible line rotary trimmers
JP4504659B2 (ja) * 2003-10-24 2010-07-14 株式会社新宮商行 刈払機のコード繰出し装置およびコード繰出し装置におけるコード配索方法
WO2005110685A2 (en) * 2004-05-11 2005-11-24 Alliss George E Vegetation trimmer apparatus
US8266805B1 (en) * 2004-05-11 2012-09-18 George Everett Alliss String trimmer head having invertible components that enable selective clockwise and counterclockwise operations
CN101048059B (zh) * 2004-09-03 2010-10-20 普罗克斯制造公司 修剪器头部
US7882642B2 (en) * 2006-09-01 2011-02-08 Proulx Manufacturing, Inc. Trimmer head for use in flexible line rotary trimmers having improved line loading mechanism
US8025249B2 (en) * 2007-11-16 2011-09-27 Alliss George E Bi-directional trimmer head spool with curved trimmer line guide
US10273112B2 (en) * 2006-11-16 2019-04-30 Torvian Inc. String trimmer head with curved trimmer line guide
US8910387B2 (en) * 2008-04-22 2014-12-16 George Everett Alliss String trimmer head configuration and method
US8745879B2 (en) * 2008-04-22 2014-06-10 George E. Alliss String trimmer head configuration and method
EP3167702A1 (en) * 2012-03-15 2017-05-17 Shakespeare Company, LLC Spool for use in a trimmer head of a rotary trimmer having trimmer line
CN202635095U (zh) * 2012-06-18 2013-01-02 舒象会 双层缠线的打草头
CN203633147U (zh) * 2013-11-05 2014-06-11 南京德朔实业有限公司 打草头

Also Published As

Publication number Publication date
DE202014105254U1 (de) 2015-02-16
GB2521747A (en) 2015-07-01
CN104604426A (zh) 2015-05-13
US20150121707A1 (en) 2015-05-07
FR3012722A3 (enExample) 2015-05-08
FR3012722B3 (fr) 2016-01-29
CA2869537A1 (en) 2015-05-05
GB201419425D0 (en) 2014-12-17
AU2014101328A4 (en) 2014-11-27

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Date Code Title Description
MKLA Lapsed

Effective date: 20181105