ZA702855B - Hydraulic power lift system for tractor and trailing implement - Google Patents

Hydraulic power lift system for tractor and trailing implement

Info

Publication number
ZA702855B
ZA702855B ZA702855A ZA702855A ZA702855B ZA 702855 B ZA702855 B ZA 702855B ZA 702855 A ZA702855 A ZA 702855A ZA 702855 A ZA702855 A ZA 702855A ZA 702855 B ZA702855 B ZA 702855B
Authority
ZA
South Africa
Prior art keywords
tractor
hydraulic power
lift system
power lift
trailing implement
Prior art date
Application number
ZA702855A
Other languages
English (en)
Inventor
R Hook
W Jackson
L Williams
K Murphy
Original Assignee
Deere & 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 & Co filed Critical Deere & Co
Publication of ZA702855B publication Critical patent/ZA702855B/xx

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
    • A01B63/14—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors
    • A01B63/16—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors with wheels adjustable relatively to the frame
    • A01B63/22—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements drawn by animals or tractors with wheels adjustable relatively to the frame operated by hydraulic or pneumatic means

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Zoology (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Agricultural Machines (AREA)
  • Rectifiers (AREA)
ZA702855A 1969-04-28 1970-04-28 Hydraulic power lift system for tractor and trailing implement ZA702855B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US81961569A 1969-04-28 1969-04-28

Publications (1)

Publication Number Publication Date
ZA702855B true ZA702855B (en) 1971-12-29

Family

ID=25228616

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA702855A ZA702855B (en) 1969-04-28 1970-04-28 Hydraulic power lift system for tractor and trailing implement

Country Status (9)

Country Link
US (1) US3627053A (fr)
JP (1) JPS4931769B1 (fr)
BE (1) BE749671A (fr)
CA (1) CA930234A (fr)
FI (1) FI54846C (fr)
FR (1) FR2040285B1 (fr)
GB (1) GB1312628A (fr)
NO (1) NO134786C (fr)
ZA (1) ZA702855B (fr)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3700041A (en) * 1970-10-23 1972-10-24 Edward Clyde Ryan Position control for parallel hydraulic systems on an agricultural implement
US3731749A (en) * 1971-02-23 1973-05-08 Deere & Co Towed plow
US3736988A (en) * 1971-05-17 1973-06-05 Deere & Co Depth and side draft control system for agricultural implements
US3732932A (en) * 1971-05-17 1973-05-15 Deere & Co Side draft control system for a tractor and earth-working implement
GB1392234A (en) * 1971-05-27 1975-04-30 Fiat Spa Control devices for agricultural tractor-mounted implements
US3753467A (en) * 1971-12-27 1973-08-21 Ford Motor Co Tractor-implement hydraulic lift system
US4637474A (en) * 1974-11-05 1987-01-20 Leonard Willie B Tractor and towed implement with elevation control system for implement including pressure responsive valve actuator
JPS5168773U (fr) * 1974-11-26 1976-05-31
US4176721A (en) * 1976-11-30 1979-12-04 Kep Enterprises Depth control for ground working agricultural implements
US4454920A (en) * 1980-05-19 1984-06-19 Dmi, Inc. High speed tillage system with discs and plow points
US4397359A (en) * 1981-04-27 1983-08-09 Deere & Company Tractor hitch with yoke having pivotally supported upper end
US4410047A (en) * 1981-06-22 1983-10-18 Deere & Company Tractor-drawn plow with hitch and furrow wheel hydraulic motors connected in series
US4821806A (en) * 1986-09-05 1989-04-18 Deere & Company Implement having parallel cylinder depth control and series cylinder lift
US4892158A (en) * 1987-02-18 1990-01-09 J. I. Case Company Three point coupling arrangement for a tractor
GB2244906A (en) * 1990-06-13 1991-12-18 Samuel Henry Swaine Towed/trailed implement headstock with inbuilt electronic sensors
US5152347A (en) * 1991-04-05 1992-10-06 Deere & Company Interface system for a towed implement
US5348101A (en) * 1993-01-08 1994-09-20 Deere & Company Hydraulic system for a towed implement
US5427182A (en) * 1993-10-08 1995-06-27 Deere & Company Pressure relieving circuit for a series cylinder depth control
US6000315A (en) * 1998-05-04 1999-12-14 Deere & Company Lift control for implement frame
US6810968B2 (en) * 2002-11-15 2004-11-02 Deere & Company Parallel cylinder lift structure for an implement
US7506719B2 (en) * 2005-03-23 2009-03-24 Clark Equipment Company Self-synchronizing hydraulic system
US7537079B2 (en) * 2005-03-23 2009-05-26 Clark Equipment Company Passively rephasing piston
US20110000745A1 (en) * 2009-07-01 2011-01-06 Richard Good Motorcycle lift for car wash
US8862338B2 (en) 2011-09-29 2014-10-14 Cnh Industrial Canada, Ltd. Method and apparatus for auto-leveling of bulk fill hopper frame
US8868303B2 (en) 2011-09-29 2014-10-21 Cnh Industrial Canada, Ltd. Method and apparatus for automatic positioning of gull wings of stackerbar planter based on tractor hitch position
US8909435B2 (en) 2011-09-29 2014-12-09 Cnh Industrial Canada, Ltd. Method and apparatus for implement control of tractor hydraulics via isobus connection
US9681598B2 (en) 2015-06-30 2017-06-20 Cnh Industrial America Llc Bellcrank activated wheel caster
FI127517B (sv) 2015-07-10 2018-08-15 Oy El Ho Ab Hydrauliska lösningar hos ett arbetsmaskin

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3356382A (en) * 1966-11-16 1967-12-05 Roll O Flex Ltd Hydraulic height controls

Also Published As

Publication number Publication date
US3627053A (en) 1971-12-14
FI54846C (fi) 1979-04-10
FI54846B (fi) 1978-12-29
NO134786C (fr) 1976-12-15
JPS4931769B1 (fr) 1974-08-24
GB1312628A (en) 1973-04-04
CA930234A (en) 1973-07-17
BE749671A (fr) 1970-10-01
FR2040285B1 (fr) 1973-08-10
FR2040285A1 (fr) 1971-01-22
NO134786B (fr) 1976-09-06

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