CA976413A - Combined draft hook operating and draft sensing - Google Patents

Combined draft hook operating and draft sensing

Info

Publication number
CA976413A
CA976413A CA149,578A CA149578A CA976413A CA 976413 A CA976413 A CA 976413A CA 149578 A CA149578 A CA 149578A CA 976413 A CA976413 A CA 976413A
Authority
CA
Canada
Prior art keywords
draft
combined
sensing
hook operating
operating
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
CA149,578A
Other languages
English (en)
Other versions
CA149578S (en
Inventor
James A. Koch
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.)
Deere and Co
Original Assignee
Deere and Co
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 Deere and Co filed Critical Deere and Co
Priority to CA218,465A priority Critical patent/CA978014A/en
Application granted granted Critical
Publication of CA976413A publication Critical patent/CA976413A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60D—VEHICLE CONNECTIONS
    • B60D1/00—Traction couplings; Hitches; Draw-gear; Towing devices
    • B60D1/01—Traction couplings or hitches characterised by their type
    • B60D1/04—Hook or hook-and-hasp couplings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/111—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements
    • A01B63/112—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means regulating working depth of implements to control draught load, i.e. tractive force
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/118—Mounting implements on power-lift linkages

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Transportation (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Agricultural Machines (AREA)
CA149,578A 1972-02-01 1972-08-16 Combined draft hook operating and draft sensing Expired CA976413A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA218,465A CA978014A (en) 1972-02-01 1975-01-23 Combined draft hook operating and draft sensing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22255772A 1972-02-01 1972-02-01

Publications (1)

Publication Number Publication Date
CA976413A true CA976413A (en) 1975-10-21

Family

ID=22832705

Family Applications (1)

Application Number Title Priority Date Filing Date
CA149,578A Expired CA976413A (en) 1972-02-01 1972-08-16 Combined draft hook operating and draft sensing

Country Status (11)

Country Link
US (1) US3731745A (it)
JP (1) JPS4885306A (it)
AU (1) AU450168B2 (it)
BR (1) BR7300763D0 (it)
CA (1) CA976413A (it)
ES (1) ES411042A1 (it)
FR (1) FR2170054B1 (it)
GB (1) GB1402804A (it)
IL (1) IL41314A (it)
IT (1) IT977097B (it)
ZA (1) ZA73706B (it)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3795415A (en) * 1972-09-29 1974-03-05 Deere & Co Multi-load tractor hitch system
FR2414858A1 (fr) * 1978-01-23 1979-08-17 Cbm Spa Crochet a accrochage rapide automatique pour attelage a trois points, en particulier pour ce qui concerne les deux points inferieurs
DE3024650A1 (de) * 1980-06-30 1982-02-25 Claas Ohg, 4834 Harsewinkel Selbstfahrendes landwirtschaftliches mehrzweckfahrzeug mit versetzbarer fahrerkabine
GB8430960D0 (en) * 1984-12-07 1985-01-16 Shotbolt Eng Ltd Hitching agricultural implements
US4747612A (en) * 1986-03-26 1988-05-31 Deere & Company Quick attach coupling
IT1233223B (it) * 1989-07-19 1992-03-20 Same Spa Terminale a gancio con agganciamento automatico per l accoppiamento di attrezzi o utensili ad un trattore agricolo
US6074120A (en) * 1998-03-27 2000-06-13 Caterpillar Commercial Sarl Quick coupler assembly
ITBO20020612A1 (it) * 2002-09-27 2004-03-28 Cnh Italia Spa Dispositivo di attacco di attrezzi agricoli ad un trattore.
FR2900168B1 (fr) * 2006-04-21 2010-04-23 Morin Coupleur pour engin de travaux a deverrouillage mixte
US7721813B2 (en) * 2006-08-29 2010-05-25 Cnh America Llc Implement/hitch draft control using hitch cylinder pressure as load feedback
US7588089B2 (en) * 2006-10-26 2009-09-15 Cnh America Llc Implement weight and center of gravity determination based on hitch cylinder pressure
US9282690B2 (en) * 2013-12-19 2016-03-15 Deere & Company Three point hitch draft sensing system
US10660254B2 (en) * 2018-08-15 2020-05-26 Deere & Company Frame and leveling assembly for agricultural implement

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2974733A (en) * 1957-02-18 1961-03-14 Deere & Co Hydraulic power lift and hitch system for tractor and implement
US3628610A (en) * 1969-05-01 1971-12-21 Int Harvester Co Draft-sensing means for tractor hitches

Also Published As

Publication number Publication date
AU450168B2 (en) 1974-07-04
ES411042A1 (es) 1975-12-01
IT977097B (it) 1974-09-10
IL41314A0 (en) 1973-03-30
DE2301835A1 (de) 1973-08-09
GB1402804A (en) 1975-08-13
US3731745A (en) 1973-05-08
JPS4885306A (it) 1973-11-12
AU4598072A (en) 1974-02-28
ZA73706B (en) 1973-10-31
BR7300763D0 (pt) 1973-09-20
DE2301835B2 (de) 1976-10-07
FR2170054A1 (it) 1973-09-14
FR2170054B1 (it) 1976-05-14
IL41314A (en) 1975-02-10

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