GB1304261A - - Google Patents

Info

Publication number
GB1304261A
GB1304261A GB1304261DA GB1304261A GB 1304261 A GB1304261 A GB 1304261A GB 1304261D A GB1304261D A GB 1304261DA GB 1304261 A GB1304261 A GB 1304261A
Authority
GB
United Kingdom
Prior art keywords
spring
hitch
tractor
links
pin
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
Other languages
English (en)
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 filed Critical
Publication of GB1304261A publication Critical patent/GB1304261A/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)
  • Agricultural Machines (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
GB1304261D 1970-01-21 1970-01-21 Expired GB1304261A (enExample)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB285370 1970-01-21

Publications (1)

Publication Number Publication Date
GB1304261A true GB1304261A (enExample) 1973-01-24

Family

ID=9747205

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1304261D Expired GB1304261A (enExample) 1970-01-21 1970-01-21

Country Status (1)

Country Link
GB (1) GB1304261A (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017418A1 (en) * 1979-03-30 1980-10-15 David Brown Tractors Limited Tractor lower link draft sensing system
US4640368A (en) * 1986-02-27 1987-02-03 Deere & Company Draft sensor including strain sensor coupled to load strap
EP0490267A1 (de) * 1990-12-14 1992-06-17 Deere & Company Messvorrichtung zur Bestimmung von Zugkräften

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0017418A1 (en) * 1979-03-30 1980-10-15 David Brown Tractors Limited Tractor lower link draft sensing system
US4295530A (en) 1979-03-30 1981-10-20 David Brown Tractors Limited Lower link draft sensing system on tractor
US4640368A (en) * 1986-02-27 1987-02-03 Deere & Company Draft sensor including strain sensor coupled to load strap
EP0490267A1 (de) * 1990-12-14 1992-06-17 Deere & Company Messvorrichtung zur Bestimmung von Zugkräften

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GB1304261A (enExample)
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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees