GB1389085A - Grad-leveller for attachment to a tractor - Google Patents

Grad-leveller for attachment to a tractor

Info

Publication number: GB1389085A
Authority: GB; United Kingdom
Prior art keywords: leveller; grad; tractor; attachment
Prior art date: 1971-07-04
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

GB3110672A

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.)

Technion Research and Development Foundation Ltd

Original Assignee

Technion Research and Development Foundation Ltd

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.)

1971-07-04

Filing date

1972-07-03

Publication date

1975-04-03

1972-07-03 Application filed by Technion Research and Development Foundation Ltd filed Critical Technion Research and Development Foundation Ltd

1975-04-03 Publication of GB1389085A publication Critical patent/GB1389085A/en

Status Expired legal-status Critical Current

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

Landscapes

Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Civil Engineering (AREA)
General Engineering & Computer Science (AREA)
Structural Engineering (AREA)
Mechanical Engineering (AREA)
Soil Working Implements (AREA)

GB3110672A 1971-07-04 1972-07-03 Grad-leveller for attachment to a tractor Expired GB1389085A (en)

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 (1)

Publication Number	Publication Date
GB1389085A true GB1389085A (en)	1975-04-03

Family

ID=11046014

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
GB3110672A Expired GB1389085A (en)	1971-07-04	1972-07-03	Grad-leveller for attachment to a tractor

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
US7581598B2 (en) *	2004-11-29	2009-09-01	Deere & Company	Blade motion reduction
US7641007B2 (en) *	2004-11-29	2010-01-05	Deere & Company	Dynamic blade distance ratio system and method
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
US7503411B2 (en) *	2004-11-29	2009-03-17	Deere & Company	Articulated dozer with frame structure for decreased height variation in the vehicle chassis
US7192034B2 (en) *	2004-11-29	2007-03-20	Deere & Company	Load based suspension motion limiting
US20080000660A1 (en) *	2006-06-13	2008-01-03	Ralph Palmer Moe	Blade assembly, claw assembly, and gradient adjustment system for implements
US11976716B2 (en) *	2019-08-30	2024-05-07	Caterpillar Inc.	Seal assembly for a grading machine
US12012717B2 (en) *	2020-04-06	2024-06-18	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

1971
- 1971-07-04 IL IL37217A patent/IL37217A/en unknown
1972
- 1972-06-26 US US266078A patent/US3907041A/en not_active Expired - Lifetime
- 1972-06-30 IT IT51237/72A patent/IT958642B/en active
- 1972-07-03 GB GB3110672A patent/GB1389085A/en not_active Expired
- 1972-07-04 DE DE2232780A patent/DE2232780A1/en active Pending

Also Published As

Publication number	Publication date
IL37217A0 (en)	1971-10-20
DE2232780A1 (en)	1973-02-01
IL37217A (en)	1975-04-25
US3907041A (en)	1975-09-23
IT958642B (en)	1973-10-30

Publication	Publication Date	Title
ZA729062B (en)	1973-09-26	Improvements relating to implements
MTP718B (en)	1972-12-30	Improvements relating to fastenings devices
GB1389085A (en)	1975-04-03	Grad-leveller for attachment to a tractor
YU109872A (en)	1978-12-31	Connection of counterweights to a tractor
ZA727320B (en)	1974-06-26	Improvements relating to a biphenylyl compound
ZA724206B (en)	1973-04-25	Improvements relating to crane-head beams
ZA723840B (en)	1974-02-27	Improvements relating to phenylimidazolidinones
IT975616B (en)	1974-08-10	POSITIVE TO ATTACH A FRONT CAPICATORE TO A TRACTOR
AU1707776A (en)	1978-03-02	Attachment to excavators
AU457227B2 (en)	1974-12-24	A tractor immplement
ZA72660B (en)	1972-11-29	Agricultural implement
HK67076A (en)	1976-11-05	Improvements on or relating to a spin-dryer
IL37560A0 (en)	1971-11-29	Prostaglandin a compounds
ZA726489B (en)	1973-06-27	Scarifier attachment
ZA722161B (en)	1973-12-19	Improvements relating to 4-hydroxy-1-phenyl-2-pyrrolidino-pentane
ZA725037B (en)	1974-03-27	Improvements relating to cholesterol-decreasing agents
ZA728281B (en)	1973-07-25	Improvements relating to penicillin acylace
AU464979B2 (en)	1972-07-13	Clycosides a to h
ZA714837B (en)	1973-03-28	Baler attachment
AU445020B2 (en)	1973-10-19	A tractor cab
ZA712379B (en)	1972-03-29	Agricultural implement
ZA711492B (en)	1972-04-26	Agricultural implement
ZA708049B (en)	1972-01-26	Agricultural implement
CA34176S (en)	1971-07-26	Tractor body
AU2416871A (en)	1972-07-13	Clycosides a to h

Legal Events

Date	Code	Title	Description
1975-08-13	PS	Patent sealed [section 19, patents act 1949]
1979-02-14	PCNP	Patent ceased through non-payment of renewal fee