DE69303478D1 - Hydraulische vorrichtung mit gleichlaufzylindern - Google Patents

Hydraulische vorrichtung mit gleichlaufzylindern

Info

Publication number
DE69303478D1
DE69303478D1 DE69303478T DE69303478T DE69303478D1 DE 69303478 D1 DE69303478 D1 DE 69303478D1 DE 69303478 T DE69303478 T DE 69303478T DE 69303478 T DE69303478 T DE 69303478T DE 69303478 D1 DE69303478 D1 DE 69303478D1
Authority
DE
Germany
Prior art keywords
piston
pct
assembly
cylinder
direct connection
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 - Lifetime
Application number
DE69303478T
Other languages
English (en)
Other versions
DE69303478T2 (de
Inventor
Sjoerd Meijer
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.)
Individual
Original Assignee
Individual
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=19860635&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69303478(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Application granted granted Critical
Publication of DE69303478D1 publication Critical patent/DE69303478D1/de
Publication of DE69303478T2 publication Critical patent/DE69303478T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/12—Platforms; Forks; Other load supporting or gripping members
    • B66F9/122—Platforms; Forks; Other load supporting or gripping members longitudinally movable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22—Synchronisation of the movement of two or more servomotors

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Transportation (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Civil Engineering (AREA)
  • Actuator (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Earth Drilling (AREA)
  • Vehicle Body Suspensions (AREA)
  • Forklifts And Lifting Vehicles (AREA)
  • Braking Systems And Boosters (AREA)
  • Percussive Tools And Related Accessories (AREA)
DE69303478T 1992-03-30 1993-03-29 Hydraulische vorrichtung mit gleichlaufzylindern Expired - Lifetime DE69303478T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NL9200589A NL9200589A (nl) 1992-03-30 1992-03-30 Hydraulische inrichting met gelijklopende vijzels.
PCT/NL1993/000077 WO1993020354A1 (en) 1992-03-30 1993-03-29 Hydraulic device with synchronous jacks

Publications (2)

Publication Number Publication Date
DE69303478D1 true DE69303478D1 (de) 1996-08-08
DE69303478T2 DE69303478T2 (de) 1996-11-28

Family

ID=19860635

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69303478T Expired - Lifetime DE69303478T2 (de) 1992-03-30 1993-03-29 Hydraulische vorrichtung mit gleichlaufzylindern

Country Status (12)

Country Link
US (1) US5573366A (de)
EP (1) EP0633983B1 (de)
JP (1) JPH07505211A (de)
KR (1) KR950701043A (de)
CN (1) CN1080841C (de)
AT (1) ATE140064T1 (de)
DE (1) DE69303478T2 (de)
DK (1) DK0633983T3 (de)
ES (1) ES2089814T3 (de)
GR (1) GR3020846T3 (de)
NL (1) NL9200589A (de)
WO (1) WO1993020354A1 (de)

Families Citing this family (36)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AUPO710697A0 (en) * 1997-06-02 1997-06-26 Becfab Equipment Pty Ltd Press
DE19754883C2 (de) * 1997-12-10 2002-02-07 Hyco Pacoma Gmbh Hydraulische Gleichlaufschaltung mit mindestens einem Hauptzylinder und mindestens einem Folgezylinder
DE19834149C2 (de) * 1998-07-29 2003-12-11 Kaup Gmbh & Co Kg Verfahren zum Steuern eines hydraulischen Seitenschieberantriebs und Hydraulikantrieb hierfür
US6756547B2 (en) * 2001-01-31 2004-06-29 Howard Lefler Method and apparatus for loading and unloading equipment
NL1026092C2 (nl) * 2004-04-29 2005-11-01 Meijer St Jabik B V Geb Vorkheftruck en vork daarvoor.
US7610977B2 (en) * 2004-09-23 2009-11-03 Crown Equipment Corporation Lift truck having hydraulically separate main frame and power unit assembly
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
NL1030776C2 (nl) * 2005-05-31 2006-12-04 Meijer St Jabik B V Geb Vork van een hefinrichting.
DE102005032263A1 (de) * 2005-07-11 2007-01-18 Jungheinrich Aktiengesellschaft Vier-Rad-Fahrwerk für ein Flurförderzeug, vorzugsweise einen Gegengewichtsstapler
CA2514362A1 (en) * 2005-08-02 2007-02-02 Brault & Martineau Inc. Platform for forklift
DE102005050733A1 (de) * 2005-10-22 2007-04-26 Jungheinrich Ag Hubmast für Stapler
DE102006034645A1 (de) * 2006-07-24 2008-01-31 Mt-Energie Gmbh & Co. Kg Schubbodenbunker
CN101131168B (zh) * 2006-08-23 2011-02-23 上海中欧汽车电器有限公司 有内随动段的力同步的安全的双缸液压举升机构
FR2955369B1 (fr) * 2010-01-21 2012-02-03 Alstom Hydro France Dispositif pour commander le mouvement d'une vanne-fourreau de machine hydraulique et machine hydraulique comportant un tel dispositif
DE102010045287A1 (de) * 2010-09-14 2012-03-15 Otto Nussbaum Gmbh & Co. Kg Hebebühne für Kraftfahrzeuge
CN102889262B (zh) * 2012-09-12 2015-04-15 中国人民解放军总后勤部建筑工程研究所 一种缸筒浮动的组合式液压缸
CN102996563A (zh) * 2012-12-07 2013-03-27 合肥长源液压股份有限公司 能实现同步运动的油缸组
GB2518604A (en) 2013-09-18 2015-04-01 Airbus Operations Ltd Drive system for aircraft landing gear
CN103641033A (zh) * 2013-11-28 2014-03-19 安得物流股份有限公司 一种带有导向臂的手动叉车
CN103967860A (zh) * 2014-04-21 2014-08-06 江苏柳工机械有限公司 非刚性结构的液压同步控制系统
DE202014003735U1 (de) 2014-05-03 2014-05-21 Durwen Maschinenbau Gmbh Verstellbare lastaufnehmende Vorrichtung für Flurförderzeuge, insbesondere Gabelstapler
GB2528966A (en) * 2014-08-07 2016-02-10 Airbus Operations Ltd Landing gear drive system
DE202014008147U1 (de) 2014-10-10 2014-11-17 Durwen Maschinenbau Gmbh Hydraulikzylinder mit integriertem Ausgleichsventil
CN104326409A (zh) * 2014-10-28 2015-02-04 牛力机械制造有限公司 一种实现叉车货叉同步动作的液压油路
CN104370251A (zh) * 2014-10-31 2015-02-25 浙江中力机械有限公司 双门架升降装置
JP6352781B2 (ja) * 2014-11-26 2018-07-04 三菱日立パワーシステムズ株式会社 蒸気弁用の油圧駆動装置、組合せ蒸気弁及び蒸気タービン
FR3043421B1 (fr) * 2015-11-12 2020-09-11 Robert Pavillet Installation formant un fond mobile pour piscine
DE202016003279U1 (de) 2016-05-21 2016-06-23 Durwen Maschinenbau Gmbh Verstellbare lastaufnehmende Vorrichtung für Flurförderzeuge, insbesondere Gabelstapler
CN106122161A (zh) * 2016-08-03 2016-11-16 广西科晟达机械制造有限公司 一种可调节串联缸
CN108180805B (zh) * 2017-12-18 2020-01-07 重庆厚全科技发展有限公司 摩托车后扶手检测装置
CN108583193A (zh) * 2018-05-21 2018-09-28 苏州大方特种车股份有限公司 一种框架车的随车升降装置
DE102018118261B4 (de) * 2018-07-27 2022-08-11 HAWE Altenstadt Holding GmbH Fahrerloses Transportsystem
TWI686546B (zh) * 2018-11-30 2020-03-01 油順精密股份有限公司 可排氣的油壓缸及其系統
CN113833710A (zh) * 2020-06-23 2021-12-24 明基三丰医疗器材（上海）有限公司 油压缸及串联式同步油压缸系统
CN112727814B (zh) * 2020-12-28 2022-06-28 浙江大学 一种变转速变排量单出杆电液执行器

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US855266A (en) * 1906-06-05 1907-05-28 Ernest C Thorschmidt Automatic stop for pistons.
FR815939A (fr) * 1936-12-14 1937-07-26 Dispositif de synchronisation du mouvement des pistons dans les presses ou élévateurs à colonnes multiples
US2536068A (en) * 1948-06-19 1951-01-02 Baker Raulang Co Industrial truck
FR1480130A (fr) * 1965-08-10 1967-05-12 Electricite De France Perfectionnements apportés aux dispositifs à vérins hydrauliques
US3393635A (en) * 1966-08-25 1968-07-23 Pacific Press & Shear Corp Independently operable press brakes having tandem coupling means
FR1575806A (de) * 1968-05-10 1969-07-25
DE2041185C3 (de) * 1970-08-19 1975-09-18 Stuebbe Maschinenfabrik Gmbh, 4925 Kalletal-Kalldorf Kunststoffverarbeitungsmaschine, insbesondere Spritzgießmaschine oder Blasmaschine, mit zusammenwirkenden und gleichlaufende Hübe ausführenden hydraulischen Kolbenzylindereinheiten
JPS5097417A (de) * 1973-12-28 1975-08-02
CH601676A5 (de) * 1976-11-26 1978-07-14 Kempf & Co Ag
IT1091993B (it) * 1977-02-10 1985-07-06 Kempf & Co Ag Apparecchiatura idraulica di sollevamento
GB1597115A (en) * 1977-04-22 1981-09-03 Samco Strong Ltd Presses
GB2018365B (en) * 1978-04-05 1982-04-21 Vanesco Ltd Fluid pressure circuit arrangement
DE3427070A1 (de) * 1984-07-23 1986-01-30 Alfred Teves Gmbh, 6000 Frankfurt Bremsanlage
FR2608142B1 (fr) * 1986-12-16 1989-03-31 Ouest Hydraulique Mecanique Dispositif hydraulique de monte et baisse d'une poutre ou d'une plate-forme parallelement a un plan de reference
US4908522A (en) * 1988-11-21 1990-03-13 Allied-Signal Inc. Pressure-balanced proportioning valve with vent-controlled bypass
US5011363A (en) * 1989-12-05 1991-04-30 Crown Equipment Corporation Extend and retract control for fork lifts

Also Published As

Publication number Publication date
WO1993020354A1 (en) 1993-10-14
US5573366A (en) 1996-11-12
EP0633983A1 (de) 1995-01-18
JPH07505211A (ja) 1995-06-08
KR950701043A (ko) 1995-02-20
DK0633983T3 (da) 1996-08-19
ATE140064T1 (de) 1996-07-15
DE69303478T2 (de) 1996-11-28
GR3020846T3 (en) 1996-11-30
CN1078772A (zh) 1993-11-24
ES2089814T3 (es) 1996-10-01
CN1080841C (zh) 2002-03-13
EP0633983B1 (de) 1996-07-03
NL9200589A (nl) 1993-10-18

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8310 Action for declaration of annulment
8330 Complete renunciation