NO890697D0 - Mower cutter. - Google Patents

Mower cutter.

Info

Publication number
NO890697D0
NO890697D0 NO890697A NO890697A NO890697D0 NO 890697 D0 NO890697 D0 NO 890697D0 NO 890697 A NO890697 A NO 890697A NO 890697 A NO890697 A NO 890697A NO 890697 D0 NO890697 D0 NO 890697D0
Authority
NO
Norway
Prior art keywords
cutter
cutter bar
bolt
positive connection
broken
Prior art date
Application number
NO890697A
Other languages
Norwegian (no)
Other versions
NO890697L (en
NO168223B (en
NO168223C (en
Inventor
Helmut Weid
Original Assignee
Wolf Geraete Gmbh
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 Wolf Geraete Gmbh filed Critical Wolf Geraete Gmbh
Publication of NO890697D0 publication Critical patent/NO890697D0/en
Publication of NO890697L publication Critical patent/NO890697L/en
Publication of NO168223B publication Critical patent/NO168223B/en
Publication of NO168223C publication Critical patent/NO168223C/en

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
    • A01D34/73—Cutting apparatus
    • A01D34/733—Cutting-blade mounting means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
  • Soil Working Implements (AREA)
  • Control And Other Processes For Unpacking Of Materials (AREA)
  • Scissors And Nippers (AREA)
  • Threshing Machine Elements (AREA)

Abstract

In a two-armed cutter bar (10) for a lawnmower with a vertically rotating shaft, the cutters (14) are fastened at each of the two ends by means of a respective single fastening bolt (36). The end portions of the cutter bar (10) have conical rotary guides (24), into which fit correspondingly conical rotary guides (38) of the cutter carrier plates (32). This ensures centering and rotary guidance. A positive junction between a rib (46) of the cutter carrier plate (32) and a bead (20) of the cutter bar (10) makes a positive connection which is broken under excessive stress when a stone or the like is struck, the result of this being that the cutter (14) can rotate. The positive connection can be broken in this way in the elastic or plastic range if the parts engaging in one another are resilient or if, for example when an expansion bolt is used, the length of the bolt is increased when excessive load occurs. <IMAGE>
NO890697A 1988-02-18 1989-02-17 Mower cutter. NO168223C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3805092A DE3805092A1 (en) 1988-02-18 1988-02-18 KNIFE BAR FOR LAWN MOWERS

Publications (4)

Publication Number Publication Date
NO890697D0 true NO890697D0 (en) 1989-02-17
NO890697L NO890697L (en) 1989-08-21
NO168223B NO168223B (en) 1991-10-21
NO168223C NO168223C (en) 1992-01-29

Family

ID=6347676

Family Applications (1)

Application Number Title Priority Date Filing Date
NO890697A NO168223C (en) 1988-02-18 1989-02-17 Mower cutter.

Country Status (7)

Country Link
EP (1) EP0328988B1 (en)
AT (1) ATE69536T1 (en)
DE (3) DE3805092A1 (en)
DK (1) DK167795B1 (en)
ES (1) ES2022072T3 (en)
NO (1) NO168223C (en)
PT (1) PT89756B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SI23490A (en) * 2010-10-06 2012-04-30 OÄŤko Franjo Universal mowers cutting head
US10426082B1 (en) * 2016-06-15 2019-10-01 Rodney G. Long Rotary cutter systems and methods

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE8327275U1 (en) * 1984-02-09 Klöckner-Humboldt-Deutz AG Zweigniederlassung Fahr, 7702 Gottmadingen Mower drum for a rotary mower
GB829393A (en) * 1957-03-01 1960-03-02 Alan Elliott Maguire An improved cutter assembly for a mower of the type having blades rotatable about an upright axis
DE1793505U (en) * 1959-05-15 1959-08-13 Heinrich Sanner OVERLOAD CLUTCH FOR SICKLE MOWER.
FR1270634A (en) * 1960-07-20 1961-09-01 Bernard Moteurs Improvements made to lawn mowers with a tool rotating around a vertical axis
AU455520B2 (en) * 1971-09-28 1974-11-21 Victa Limited Improvements in pivotted blade assemblies for rotary mowers
DD128895A1 (en) * 1976-12-22 1977-12-14 Bernhard Land BLADE KNIFE FOR MOTORCYCLE MAKERS
SE438237B (en) * 1983-09-09 1985-04-15 Stiga Ab DEVICE AT GRASLIPPARKNIVER DEVICE AT GRESKIPIPARNIV

Also Published As

Publication number Publication date
PT89756A (en) 1989-10-04
ES2022072T3 (en) 1992-06-16
PT89756B (en) 1994-02-28
DK65189A (en) 1989-08-19
DE3805092A1 (en) 1989-08-31
ATE69536T1 (en) 1991-12-15
EP0328988A1 (en) 1989-08-23
NO890697L (en) 1989-08-21
DE58900460D1 (en) 1992-01-02
ES2022072A4 (en) 1991-12-01
DE3805092C2 (en) 1990-07-05
DK167795B1 (en) 1993-12-20
DE8808045U1 (en) 1988-09-15
NO168223B (en) 1991-10-21
DK65189D0 (en) 1989-02-10
NO168223C (en) 1992-01-29
EP0328988B1 (en) 1991-11-21

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