GB1306325A - - Google Patents

Info

Publication number
GB1306325A
GB1306325A GB2111671A GB2111671A GB1306325A GB 1306325 A GB1306325 A GB 1306325A GB 2111671 A GB2111671 A GB 2111671A GB 2111671 A GB2111671 A GB 2111671A GB 1306325 A GB1306325 A GB 1306325A
Authority
GB
United Kingdom
Prior art keywords
valve
platform
solenoid
crawler
ground
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
GB2111671A
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 GB1306325A publication Critical patent/GB1306325A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60S—SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, OR MANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
    • B60S9/00—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks
    • B60S9/02—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting
    • B60S9/10—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure
    • B60S9/12—Ground-engaging vehicle fittings for supporting, lifting, or manoeuvring the vehicle, wholly or in part, e.g. built-in jacks for only lifting or supporting by fluid pressure of telescopic type
    • 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
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/085—Ground-engaging fitting for supporting the machines while working, e.g. outriggers, legs

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Earth Drilling (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Control Of Position Or Direction (AREA)
GB2111671A 1970-02-24 1971-04-19 Expired GB1306325A (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1368970A 1970-02-24 1970-02-24

Publications (1)

Publication Number Publication Date
GB1306325A true GB1306325A (enrdf_load_stackoverflow) 1973-02-07

Family

ID=21761201

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2111671A Expired GB1306325A (enrdf_load_stackoverflow) 1970-02-24 1971-04-19

Country Status (3)

Country Link
US (1) US3625483A (enrdf_load_stackoverflow)
JP (1) JPS5334369B1 (enrdf_load_stackoverflow)
GB (1) GB1306325A (enrdf_load_stackoverflow)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3896885A (en) * 1970-12-11 1975-07-29 Skanska Cementgjuteriet Ab System for automatically aligning and/or moving in a parallel movement path a guide seating structure adapted for guiding the movement of a tool mounted thereon
US3861696A (en) * 1972-06-01 1975-01-21 Bofors Ab Device for damping rocking movements occurring in a chassis
FR2214604B1 (enrdf_load_stackoverflow) * 1973-01-24 1976-05-14 Nicolas & Fils Jean
JPS61164576A (ja) * 1985-01-17 1986-07-25 石田　量久 遠隔対局用将棋盤
US4679489A (en) * 1985-11-04 1987-07-14 Becor Western Inc. Automatic leveling system for blast hole drills and the like
US20060082079A1 (en) * 2000-03-10 2006-04-20 Eichhorn Mark M Apparatus and method for automatically leveling an object
US20060119089A1 (en) * 2004-12-02 2006-06-08 Patriot Lift Co., Llc Stabilizing leg apparatus for a trailer
US8801105B2 (en) * 2011-08-03 2014-08-12 Joy Mm Delaware, Inc. Automated find-face operation of a mining machine
CA2797322C (en) * 2011-12-01 2019-11-12 Harnischfeger Technologies, Inc. Leveling system
WO2015054774A1 (en) * 2013-10-17 2015-04-23 3991814 Canada Inc. Hydraulic shovel lifting jig
US10184295B2 (en) * 2014-10-02 2019-01-22 Caterpillar Inc. Machine leveling assembly and method
US10895112B2 (en) 2018-04-12 2021-01-19 Caterpillar Inc. Slope compensation system for rotary drill machines
AU2019313156A1 (en) * 2018-08-01 2021-03-18 James Andrew McGhee Multiple drill assembly
CA3141160C (en) * 2019-07-12 2024-06-11 Peck Tech Consulting Ltd. System, apparatus, and method to perform leveling for borehole drills
CN111472408B (zh) * 2020-04-17 2022-05-03 三一重机有限公司 电铲举升设备
CN114109383B (zh) * 2021-11-19 2024-10-01 中国铁建重工集团股份有限公司 链臂切顶机及其控制方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2713402A (en) * 1949-07-15 1955-07-19 Mccabe Powers Auto Body Co Tower vehicle leveling device
US3265357A (en) * 1964-04-30 1966-08-09 Hydraulic Engineering Corp Hydraulic jack synchronizing system
US3516182A (en) * 1967-12-06 1970-06-23 Jeffie I Wykert Self-levelling irrigation ditcher machine
US3431727A (en) * 1968-01-18 1969-03-11 Eugene V Grumman Jack arrangement for trailers

Also Published As

Publication number Publication date
DE2109549A1 (de) 1971-11-11
JPS5334369B1 (enrdf_load_stackoverflow) 1978-09-20
US3625483A (en) 1971-12-07

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Legal Events

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