GB1411794A - Knife grinders - Google Patents

Knife grinders

Info

Publication number
GB1411794A
GB1411794A GB4348972A GB4348972A GB1411794A GB 1411794 A GB1411794 A GB 1411794A GB 4348972 A GB4348972 A GB 4348972A GB 4348972 A GB4348972 A GB 4348972A GB 1411794 A GB1411794 A GB 1411794A
Authority
GB
United Kingdom
Prior art keywords
knife grinders
grinders
knife
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
GB4348972A
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.)
Sperry 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 GB1411794A publication Critical patent/GB1411794A/en
Expired legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D34/00Mowers; Mowing apparatus of harvesters
    • A01D34/01Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/42Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a horizontal axis, e.g. cutting-cylinders
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01DHARVESTING; MOWING
    • A01D75/00Accessories for harvesters or mowers
    • A01D75/08Sharpening apparatus fixed to the harvester or mower
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01FPROCESSING OF HARVESTED PRODUCE; HAY OR STRAW PRESSES; DEVICES FOR STORING AGRICULTURAL OR HORTICULTURAL PRODUCE
    • A01F29/00Cutting apparatus specially adapted for cutting hay, straw or the like
    • A01F29/09Details
    • A01F29/22Arrangement of knife sharpening devices

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
  • Harvester Elements (AREA)
GB4348972A 1971-09-24 1972-09-20 Knife grinders Expired GB1411794A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US18339271A 1971-09-24 1971-09-24
US18339171A 1971-09-24 1971-09-24
US21561572A 1972-01-04 1972-01-04

Publications (1)

Publication Number Publication Date
GB1411794A true GB1411794A (en) 1975-10-29

Family

ID=27391669

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4348972A Expired GB1411794A (en) 1971-09-24 1972-09-20 Knife grinders

Country Status (3)

Country Link
BE (1) BE789115A (en)
DE (1) DE2246409B2 (en)
GB (1) GB1411794A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5743073A (en) * 1995-03-31 1998-04-28 New Holland North America, Inc. Automatic forage harvester knife sharpening method using first and second speed ratios

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD138494A1 (en) * 1978-08-11 1979-11-07 Rudolf Schulze GRINDING DEVICE FOR SHARPENING THE KNIVES OF A FLUTE DRUM
DE3535909A1 (en) * 1985-10-08 1987-04-09 Mengele & Soehne Masch Karl CHOPPER OR THE LIKE CRUSHING MACHINE
DE102009010586B4 (en) 2009-02-20 2014-05-08 Hochschule für Technik und Wirtschaft Dresden Sharpening device for cutting units of choppers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1807975A (en) * 1928-08-31 1931-06-02 Charles W Eyres Built-in grinder and ensilage cutting machine
DE1858801U (en) * 1962-08-03 1962-09-20 Fahr Ag Maschf KNIFE GRINDING DEVICE ON HAECKEL MACHINES.
US3331167A (en) * 1965-03-08 1967-07-18 Int Harvester Co Knife sharpening device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5743073A (en) * 1995-03-31 1998-04-28 New Holland North America, Inc. Automatic forage harvester knife sharpening method using first and second speed ratios

Also Published As

Publication number Publication date
DE2246409A1 (en) 1973-04-12
DE2246409C3 (en) 1981-11-05
BE789115A (en) 1973-01-15
DE2246409B2 (en) 1980-08-28

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee