CA967804A - Tractor-implement hitch control - Google Patents

Tractor-implement hitch control

Info

Publication number
CA967804A
CA967804A CA159,312A CA159312A CA967804A CA 967804 A CA967804 A CA 967804A CA 159312 A CA159312 A CA 159312A CA 967804 A CA967804 A CA 967804A
Authority
CA
Canada
Prior art keywords
tractor
implement hitch
hitch control
implement
control
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
CA159,312A
Other languages
English (en)
Other versions
CA159312S (en
Inventor
Stanley M. Gregerson
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
Application granted granted Critical
Publication of CA967804A publication Critical patent/CA967804A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Agricultural Machines (AREA)
CA159,312A 1972-06-12 1972-12-18 Tractor-implement hitch control Expired CA967804A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26169772A 1972-06-12 1972-06-12

Publications (1)

Publication Number Publication Date
CA967804A true CA967804A (en) 1975-05-20

Family

ID=22994465

Family Applications (1)

Application Number Title Priority Date Filing Date
CA159,312A Expired CA967804A (en) 1972-06-12 1972-12-18 Tractor-implement hitch control

Country Status (11)

Country Link
US (1) US3757868A (es)
AR (1) AR207313A1 (es)
AT (1) AT321622B (es)
AU (1) AU454334B2 (es)
CA (1) CA967804A (es)
DE (1) DE2320393A1 (es)
ES (1) ES415762A1 (es)
FR (1) FR2187196B1 (es)
GB (1) GB1393473A (es)
IT (1) IT989658B (es)
SE (1) SE411093B (es)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4304303A (en) * 1980-03-17 1981-12-08 Deere & Company Three-point hitch draft control
US4503916A (en) * 1983-06-06 1985-03-12 Deere & Company Hybrid hitch control system
US4979092A (en) * 1989-01-06 1990-12-18 Deere & Company Hitch control system
US4931967A (en) * 1989-01-06 1990-06-05 Deere & Company Control system calibration
AU644528B2 (en) * 1991-06-25 1993-12-09 Astra Panels Pty Ltd Improvements in building panels
US6555932B1 (en) * 2000-06-29 2003-04-29 Frank A. Albrecht Cut-off circuit for sensing apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA609131A (en) * 1960-11-22 H. Dushane Wallace Tractor mounted implement
US2804814A (en) * 1952-11-20 1957-09-03 Massey Harris Ferguson Ltd Power actuated implement hitch for tractors
US2921638A (en) * 1955-06-20 1960-01-19 Deere & Co Selective load and position control for agricultural tractor
GB882425A (en) * 1958-05-05 1961-11-15 Int Harvester Great Britain Improvements in or relating to tractors
US2946392A (en) * 1958-05-07 1960-07-26 Deere & Co Draft load control for tractors
US3422906A (en) * 1965-08-23 1969-01-21 Massey Ferguson Inc Mixed draft and position control

Also Published As

Publication number Publication date
DE2320393A1 (de) 1974-01-31
IT989658B (it) 1975-06-10
US3757868A (en) 1973-09-11
DE2320393B2 (es) 1975-10-09
GB1393473A (en) 1975-05-07
AR207313A1 (es) 1976-09-30
AU4806972A (en) 1974-04-26
SE411093B (sv) 1979-12-03
ES415762A1 (es) 1976-02-01
AU454334B2 (en) 1974-10-31
AT321622B (de) 1975-04-10
FR2187196A1 (es) 1974-01-18
FR2187196B1 (es) 1976-11-12

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