GB1542716A - Agricultural machines having rotatable cutterheads - Google Patents

Agricultural machines having rotatable cutterheads

Info

Publication number
GB1542716A
GB1542716A GB7622027A GB2202776A GB1542716A GB 1542716 A GB1542716 A GB 1542716A GB 7622027 A GB7622027 A GB 7622027A GB 2202776 A GB2202776 A GB 2202776A GB 1542716 A GB1542716 A GB 1542716A
Authority
GB
United Kingdom
Prior art keywords
cutterheads
rotatable
agricultural machines
agricultural
machines
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
Application number
GB7622027A
Other languages
English (en)
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.)
Unisys Corp
Original Assignee
Sperry Rand Corp
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 Sperry Rand Corp filed Critical Sperry Rand Corp
Publication of GB1542716A publication Critical patent/GB1542716A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B24—GRINDING; POLISHING
    • B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
    • B24B3/00—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools
    • B24B3/36—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades
    • B24B3/42—Sharpening cutting edges, e.g. of tools; Accessories therefor, e.g. for holding the tools of cutting blades helically bent, e.g. for lawn mowers

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
GB7622027A 1975-06-18 1976-05-27 Agricultural machines having rotatable cutterheads Expired GB1542716A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/588,095 US3979076A (en) 1975-06-18 1975-06-18 Grinding wheel guide means for forage harvester

Publications (1)

Publication Number Publication Date
GB1542716A true GB1542716A (en) 1979-03-21

Family

ID=24352473

Family Applications (1)

Application Number Title Priority Date Filing Date
GB7622027A Expired GB1542716A (en) 1975-06-18 1976-05-27 Agricultural machines having rotatable cutterheads

Country Status (4)

Country Link
US (1) US3979076A (enExample)
CA (1) CA1031670A (enExample)
FR (1) FR2314652A1 (enExample)
GB (1) GB1542716A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155826A (en) * 1984-03-14 1985-10-02 Hauni Werke Koerber & Co Kg Apparatus for grinding the knives in tobacco cutting machines
GB2298153A (en) * 1995-02-23 1996-08-28 Stephen Geoffrey Bernhard Portable bedknife grinder
US6758730B1 (en) 1999-01-20 2004-07-06 Stephen Geoffrey Bernhard Grinding machine and method of grinding grass mower rotary blades

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4718198A (en) * 1984-02-02 1988-01-12 Hauni-Werke Korber & Co. Kg. Apparatus for grinding cutting edges of knives in tobacco cutting machines

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1791302A (en) * 1927-03-31 1931-02-03 Charles W Eyres Ensilage machine
US1807975A (en) * 1928-08-31 1931-06-02 Charles W Eyres Built-in grinder and ensilage cutting machine
DE1015259B (de) * 1951-04-14 1957-09-05 Fahr Ag Maschf Trommelhaeckselmaschine
US3250574A (en) * 1965-03-26 1966-05-10 Gehl Bros Mfg Company Forage blower
US3581446A (en) * 1968-09-17 1971-06-01 Koehring Co Sharpeners for cutting reels
US3677316A (en) * 1970-03-11 1972-07-18 Deere & Co Method and apparatus for sharpening forage harvester knives
US3638363A (en) * 1970-06-15 1972-02-01 Koehring Co Sharpeners for cutting reels

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155826A (en) * 1984-03-14 1985-10-02 Hauni Werke Koerber & Co Kg Apparatus for grinding the knives in tobacco cutting machines
GB2298153A (en) * 1995-02-23 1996-08-28 Stephen Geoffrey Bernhard Portable bedknife grinder
GB2298153B (en) * 1995-02-23 1998-08-05 Stephen Geoffrey Bernhard Grinding machine
US6758730B1 (en) 1999-01-20 2004-07-06 Stephen Geoffrey Bernhard Grinding machine and method of grinding grass mower rotary blades

Also Published As

Publication number Publication date
FR2314652B1 (enExample) 1983-11-18
CA1031670A (en) 1978-05-23
FR2314652A1 (fr) 1977-01-14
US3979076A (en) 1976-09-07

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
746 Register noted 'licences of right' (sect. 46/1977)
PCNP Patent ceased through non-payment of renewal fee