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CA2091575A1 - Brushcutter Head - Google Patents

Brushcutter Head

Info

Publication number
CA2091575A1
CA2091575A1 CA2091575A CA2091575A CA2091575A1 CA 2091575 A1 CA2091575 A1 CA 2091575A1 CA 2091575 A CA2091575 A CA 2091575A CA 2091575 A CA2091575 A CA 2091575A CA 2091575 A1 CA2091575 A1 CA 2091575A1
Authority
CA
Canada
Prior art keywords
housing
work head
nozzle
blade
sliding member
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
Application number
CA2091575A
Other languages
French (fr)
Other versions
CA2091575C (en
Inventor
David E. Milbourn
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to EP19900915856 priority Critical patent/EP0548075A4/en
Priority to PCT/US1990/005109 priority patent/WO1992003908A1/en
Priority to US07/988,942 priority patent/US5329752A/en
Priority to AU66086/90A priority patent/AU652131B2/en
Priority to CA002091575A priority patent/CA2091575C/en
Priority claimed from PCT/US1990/005109 external-priority patent/WO1992003908A1/en
Publication of CA2091575A1 publication Critical patent/CA2091575A1/en
Application granted granted Critical
Publication of CA2091575C publication Critical patent/CA2091575C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • A01G23/00—Forestry
    • A01G23/02—Transplanting, uprooting, felling or delimbing trees
    • A01G23/08—Felling trees
    • A01G23/093—Combinations of shearing, sawing or milling apparatus specially adapted for felling trees

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Ecology (AREA)
  • Forests & Forestry (AREA)
  • Environmental Sciences (AREA)
  • Catching Or Destruction (AREA)
  • Pens And Brushes (AREA)
  • Polishing Bodies And Polishing Tools (AREA)
  • Brushes (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)

Abstract

A brush cutter work head (20) has a protective shroud (36) with a vertical side opening (40) to expose a portion of a circular cutting blade (42) to enable the blade (42) to cut brush. A spray nozzle (82) is mounted on a sliding member (74) that slides within a tubular housing (58) incorporated into the work head housing (28). The sliding member (74) has a retracted position in which the nozzle (82) is positioned above a portion of the housing (28), and a projecting use position in which the nozzle (82) is aligned with the opening (40) above and outward of the blade (42). A gripping thumb (44) is pivotally mounted on the work head housing (28) and is operated by an actuator (52) within the housing (28) to pivot between a flush nonuse position and a gripping position in which it opposes a jaw (38) formed by a lower portion of the shroud (36).
CA002091575A 1990-09-11 1990-09-11 Brushcutter head Expired - Fee Related CA2091575C (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
EP19900915856 EP0548075A4 (en) 1990-09-11 1990-09-11 Brushcutter head
PCT/US1990/005109 WO1992003908A1 (en) 1990-09-11 1990-09-11 Brushcutter head
US07/988,942 US5329752A (en) 1990-09-11 1990-09-11 Brushcutter head
AU66086/90A AU652131B2 (en) 1990-09-11 1990-09-11 Brushcutter head
CA002091575A CA2091575C (en) 1990-09-11 1990-09-11 Brushcutter head

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
PCT/US1990/005109 WO1992003908A1 (en) 1990-09-11 1990-09-11 Brushcutter head
AU66086/90A AU652131B2 (en) 1990-09-11 1990-09-11 Brushcutter head
CA002091575A CA2091575C (en) 1990-09-11 1990-09-11 Brushcutter head

Publications (2)

Publication Number Publication Date
CA2091575A1 true CA2091575A1 (en) 1992-03-12
CA2091575C CA2091575C (en) 1996-11-12

Family

ID=25635030

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002091575A Expired - Fee Related CA2091575C (en) 1990-09-11 1990-09-11 Brushcutter head

Country Status (3)

Country Link
EP (1) EP0548075A4 (en)
AU (1) AU652131B2 (en)
CA (1) CA2091575C (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5408814A (en) * 1994-02-03 1995-04-25 Milbourn; David E. Brush cutter work head with pivotable shroud

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB537564A (en) * 1940-03-08 1941-06-26 John Allen & Sons Oxford Ltd Improvements in or connected with devices for killing weeds and the like
US3534533A (en) * 1967-09-28 1970-10-20 Ed R Luoma Spraying unit for lawn mowers or the like
US3857515A (en) * 1974-04-04 1974-12-31 M Zennie Liquid spray device
US4769977A (en) * 1986-03-04 1988-09-13 Milbourn David E Brush cutter
US4802327A (en) * 1986-09-04 1989-02-07 Roberts Charles A Mower attachment

Also Published As

Publication number Publication date
AU6608690A (en) 1992-03-30
AU652131B2 (en) 1994-08-18
EP0548075A4 (en) 1993-11-10
CA2091575C (en) 1996-11-12
EP0548075A1 (en) 1993-06-30

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed