IL37217A0 - Tractor-mounted grader-leveler - Google Patents

Tractor-mounted grader-leveler

Info

Publication number
IL37217A0
IL37217A0 IL37217A IL3721771A IL37217A0 IL 37217 A0 IL37217 A0 IL 37217A0 IL 37217 A IL37217 A IL 37217A IL 3721771 A IL3721771 A IL 3721771A IL 37217 A0 IL37217 A0 IL 37217A0
Authority
IL
Israel
Prior art keywords
leveler
tractor
grader
mounted grader
Prior art date
Application number
IL37217A
Other versions
IL37217A (en
Original Assignee
Technion Res & Dev Foundation
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 Technion Res & Dev Foundation filed Critical Technion Res & Dev Foundation
Priority to IL37217A priority Critical patent/IL37217A/en
Publication of IL37217A0 publication Critical patent/IL37217A0/en
Priority to US266078A priority patent/US3907041A/en
Priority to IT51237/72A priority patent/IT958642B/en
Priority to GB3110672A priority patent/GB1389085A/en
Priority to DE2232780A priority patent/DE2232780A1/en
Priority to US426522A priority patent/US3924689A/en
Publication of IL37217A publication Critical patent/IL37217A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/7663—Graders with the scraper blade mounted under a frame supported by wheels, or the like
    • E02F3/7668—Graders with the scraper blade mounted under a frame supported by wheels, or the like with the scraper blade being pivotable about a vertical axis
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
IL37217A 1971-07-04 1971-07-04 Tractor-mounted grader-leveler IL37217A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
IL37217A IL37217A (en) 1971-07-04 1971-07-04 Tractor-mounted grader-leveler
US266078A US3907041A (en) 1971-07-04 1972-06-26 Grader-leveler adapted for trailing by tractors
IT51237/72A IT958642B (en) 1971-07-04 1972-06-30 CE LEVELING DOUGH MACHINE FOR AGRICULTURAL USE
GB3110672A GB1389085A (en) 1971-07-04 1972-07-03 Grad-leveller for attachment to a tractor
DE2232780A DE2232780A1 (en) 1971-07-04 1972-07-04 LEVELING AND GRADING DEVICE
US426522A US3924689A (en) 1971-07-04 1973-12-20 Hydraulically controlled grader-leveler adapted for trailing by tractors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL37217A IL37217A (en) 1971-07-04 1971-07-04 Tractor-mounted grader-leveler

Publications (2)

Publication Number Publication Date
IL37217A0 true IL37217A0 (en) 1971-10-20
IL37217A IL37217A (en) 1975-04-25

Family

ID=11046014

Family Applications (1)

Application Number Title Priority Date Filing Date
IL37217A IL37217A (en) 1971-07-04 1971-07-04 Tractor-mounted grader-leveler

Country Status (5)

Country Link
US (1) US3907041A (en)
DE (1) DE2232780A1 (en)
GB (1) GB1389085A (en)
IL (1) IL37217A (en)
IT (1) IT958642B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2327038C (en) * 2000-11-22 2008-04-22 Champion Road Machinery Limited Motor grader vehicle control arrangement
US6904979B1 (en) 2003-09-16 2005-06-14 Sekely Industries, Inc. Towable earth working apparatus having adjustable wheel height
US7192034B2 (en) * 2004-11-29 2007-03-20 Deere & Company Load based suspension motion limiting
US7581598B2 (en) * 2004-11-29 2009-09-01 Deere & Company Blade motion reduction
US7584812B2 (en) 2004-11-29 2009-09-08 Deere & Company Articulated dozer with suspension and suspension lockout
US7451840B2 (en) * 2004-11-29 2008-11-18 Deere & Company Articulated crawler dozer with direct load path structure
US7641007B2 (en) * 2004-11-29 2010-01-05 Deere & Company Dynamic blade distance ratio system and method
US7503411B2 (en) * 2004-11-29 2009-03-17 Deere & Company Articulated dozer with frame structure for decreased height variation in the vehicle chassis
US20080000660A1 (en) * 2006-06-13 2008-01-03 Ralph Palmer Moe Blade assembly, claw assembly, and gradient adjustment system for implements
US20210062908A1 (en) * 2019-08-30 2021-03-04 Caterpillar Inc. Seal assembly for a grading machine
US20210310212A1 (en) * 2020-04-06 2021-10-07 Ocfab Ltd. Earth Working Implement

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US992117A (en) * 1910-12-01 1911-05-09 Richard Dix Land-leveler.
US1247719A (en) * 1916-03-20 1917-11-27 Samuel L Reese Terracing-machine.
US1363454A (en) * 1919-05-14 1920-12-28 Theodore C Bullock Road-grader
US2089730A (en) * 1935-08-17 1937-08-10 Western Austin Company Road grading machine
US2593880A (en) * 1947-09-10 1952-04-22 Oral R Heavilin Portable earth leveling apparatus
US3043034A (en) * 1961-05-03 1962-07-10 Kober Karl Leveler
US3716105A (en) * 1970-11-23 1973-02-13 Hallam H Grading attachment for a vehicle

Also Published As

Publication number Publication date
IL37217A (en) 1975-04-25
IT958642B (en) 1973-10-30
GB1389085A (en) 1975-04-03
US3907041A (en) 1975-09-23
DE2232780A1 (en) 1973-02-01

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