DE2964608D1 - Draft sensing apparatus - Google Patents

Draft sensing apparatus

Info

Publication number
DE2964608D1
DE2964608D1 DE7979301450T DE2964608T DE2964608D1 DE 2964608 D1 DE2964608 D1 DE 2964608D1 DE 7979301450 T DE7979301450 T DE 7979301450T DE 2964608 T DE2964608 T DE 2964608T DE 2964608 D1 DE2964608 D1 DE 2964608D1
Authority
DE
Germany
Prior art keywords
sensing apparatus
draft sensing
draft
sensing
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
DE7979301450T
Other languages
English (en)
Inventor
Otto Mueller
Lee Eugene Elfes
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.)
Massey Ferguson Services NV
Original Assignee
Massey Ferguson Services NV
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 Massey Ferguson Services NV filed Critical Massey Ferguson Services NV
Application granted granted Critical
Publication of DE2964608D1 publication Critical patent/DE2964608D1/de
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L5/00—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes
    • G01L5/13—Apparatus for, or methods of, measuring force, work, mechanical power, or torque, specially adapted for specific purposes for measuring the tractive or propulsive power of vehicles
    • G01L5/136—Force sensors associated with a vehicle traction coupling
    • 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

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
DE7979301450T 1978-08-02 1979-07-20 Draft sensing apparatus Expired DE2964608D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/930,476 US4206813A (en) 1978-08-02 1978-08-02 Draft sensing apparatus

Publications (1)

Publication Number Publication Date
DE2964608D1 true DE2964608D1 (en) 1983-03-03

Family

ID=25459376

Family Applications (1)

Application Number Title Priority Date Filing Date
DE7979301450T Expired DE2964608D1 (en) 1978-08-02 1979-07-20 Draft sensing apparatus

Country Status (8)

Country Link
US (1) US4206813A (de)
EP (1) EP0008172B1 (de)
AR (1) AR223684A1 (de)
BR (1) BR7905024A (de)
CA (1) CA1104406A (de)
DE (1) DE2964608D1 (de)
ES (1) ES483051A1 (de)
PL (1) PL124834B1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4266616A (en) * 1979-06-29 1981-05-12 Massey-Ferguson Inc. Draft sensing apparatus wherein effect of vertical deflection reduced to insignificant levels compared to horizontal deflection
US5042586A (en) * 1990-12-14 1991-08-27 Deere & Company Tractor draft force sensor
US7798241B2 (en) * 2008-09-19 2010-09-21 Deere & Company Mechanical hitch control unit
US9282690B2 (en) * 2013-12-19 2016-03-15 Deere & Company Three point hitch draft sensing system
US9347844B2 (en) * 2013-12-19 2016-05-24 Deere & Company Three point hitch draft sensing system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888315A (en) * 1973-10-29 1975-06-10 Massey Ferguson Inc Draft sensing apparatus for tractor
BE791615A (fr) * 1971-11-22 1973-03-16 Massey Ferguson Services Nv Dispositif mesureur d'effort de traction pour tracteur
US3869001A (en) * 1974-04-18 1975-03-04 Massey Ferguson Inc Fulcrum bushing on the resilient bar draft sensing
US3960228A (en) * 1974-05-31 1976-06-01 Transearch Ab Shear beam load cell
US3992933A (en) * 1975-08-21 1976-11-23 Randolph Jr George J Electromechanical moment-independent deflection sensor

Also Published As

Publication number Publication date
ES483051A1 (es) 1980-04-01
US4206813A (en) 1980-06-10
PL217505A1 (de) 1980-04-21
PL124834B1 (en) 1983-02-28
BR7905024A (pt) 1980-04-22
AR223684A1 (es) 1981-09-15
CA1104406A (en) 1981-07-07
EP0008172B1 (de) 1983-01-26
EP0008172A1 (de) 1980-02-20

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Legal Events

Date Code Title Description
8339 Ceased/non-payment of the annual fee