FR2484031B1 - - Google Patents

Info

Publication number
FR2484031B1
FR2484031B1 FR8012494A FR8012494A FR2484031B1 FR 2484031 B1 FR2484031 B1 FR 2484031B1 FR 8012494 A FR8012494 A FR 8012494A FR 8012494 A FR8012494 A FR 8012494A FR 2484031 B1 FR2484031 B1 FR 2484031B1
Authority
FR
France
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
FR8012494A
Other languages
French (fr)
Other versions
FR2484031A1 (fr
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
Application filed by Individual filed Critical Individual
Priority to FR8012494A priority Critical patent/FR2484031A1/fr
Priority to EP81901519A priority patent/EP0053144A1/fr
Priority to US06/348,047 priority patent/US4471944A/en
Priority to PCT/FR1981/000070 priority patent/WO1981003528A1/fr
Priority to JP56501760A priority patent/JPS57501137A/ja
Publication of FR2484031A1 publication Critical patent/FR2484031A1/fr
Application granted granted Critical
Publication of FR2484031B1 publication Critical patent/FR2484031B1/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16—Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
FR8012494A 1980-06-05 1980-06-05 Verin telescopique Granted FR2484031A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR8012494A FR2484031A1 (fr) 1980-06-05 1980-06-05 Verin telescopique
EP81901519A EP0053144A1 (fr) 1980-06-05 1981-06-04 Vérin, notamment un vérin télescopique, présentant un moyen de limitation de course
US06/348,047 US4471944A (en) 1980-06-05 1981-06-04 Telescopic jack
PCT/FR1981/000070 WO1981003528A1 (fr) 1980-06-05 1981-06-04 Verin telescopique
JP56501760A JPS57501137A (cg-RX-API-DMAC7.html) 1980-06-05 1981-06-04

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8012494A FR2484031A1 (fr) 1980-06-05 1980-06-05 Verin telescopique

Publications (2)

Publication Number Publication Date
FR2484031A1 FR2484031A1 (fr) 1981-12-11
FR2484031B1 true FR2484031B1 (cg-RX-API-DMAC7.html) 1984-02-17

Family

ID=9242738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8012494A Granted FR2484031A1 (fr) 1980-06-05 1980-06-05 Verin telescopique

Country Status (5)

Country Link
US (1) US4471944A (cg-RX-API-DMAC7.html)
EP (1) EP0053144A1 (cg-RX-API-DMAC7.html)
JP (1) JPS57501137A (cg-RX-API-DMAC7.html)
FR (1) FR2484031A1 (cg-RX-API-DMAC7.html)
WO (1) WO1981003528A1 (cg-RX-API-DMAC7.html)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3320464A1 (de) * 1983-06-07 1984-12-13 Otto 7106 Neuenstadt Neumeister Ein- oder mehrstufiger hydraulikzylinder
DE4011119A1 (de) * 1990-04-06 1991-10-10 Walter Neumeister Kolben-zylinder-aggregat
GB9225752D0 (en) * 1992-12-09 1993-02-03 Lucas Ind Plc Actuator lock
US5983778A (en) 1997-07-28 1999-11-16 Dawson Hydraulics, Inc. Telescopic hydraulic hoist apparatus
DE19954577C1 (de) * 1999-11-12 2001-06-21 Hyco Pacoma Gmbh Liftzylindereinheit für eine Hebebühne
US6450083B1 (en) 2001-01-22 2002-09-17 Dawson Hydraulics Inc. Telescopic hydraulic hoist
US6581912B2 (en) 2001-04-05 2003-06-24 The United States Of America As Represented By The Secretary Of The Army Jack assembly for supporting a shelter structure
FR2834318B1 (fr) 2002-01-03 2004-10-29 Gerard Leray Verin telescopique
CA2371380A1 (en) * 2002-02-12 2003-08-12 Dawson Hydraulics Inc. Hydraulic hoist formed from memory alloy
US6851349B2 (en) * 2002-03-05 2005-02-08 Parker-Hannifin Corporation Bleederless telescopic cylinder
JP2004322735A (ja) * 2003-04-22 2004-11-18 Nhk Spring Co Ltd アクチュエータ
US7171807B2 (en) * 2004-02-09 2007-02-06 Norco Industries, Inc. Oil circuitry for two-stage telescoping transmission jack
EP1947351A1 (de) * 2007-01-17 2008-07-23 Carl Freudenberg KG Hydraulikzylinderanordnung
EP1950427A1 (de) * 2007-01-17 2008-07-30 Carl Freudenberg KG Hydraulikzylinderanordnung
PL225323B1 (pl) 2010-08-20 2017-03-31 Nowak Wiesław Przedsiębiorstwo Innowacyjno Wdrożeniowo Handlowe Siłownik teleskopowy
WO2012091966A2 (en) * 2010-12-28 2012-07-05 James Livingston Single-use jack
CN102808813A (zh) * 2012-08-20 2012-12-05 李文娟 自卸车前置液压油缸
GB2511745B (en) * 2013-03-11 2017-05-03 Jonic Eng Ltd Telescopic hydraulic piston arrangement
JP6007872B2 (ja) * 2013-08-29 2016-10-12 Smc株式会社 ダブルソレノイドバルブ
GB2530762B (en) 2014-09-30 2017-05-31 Edo Mbm Tech Ltd Retractable telescopic piston
ES2863252T3 (es) * 2016-12-28 2021-10-11 Henning Fuhrmann Dispositivo de cilindro de trabajo con al menos una unidad de cilindro de trabajo con bloqueo mecánico de posición, así como un procedimiento para su operación

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB281335A (en) * 1926-11-29 1928-04-12 Johann Schlagenhauf Improvements in hydraulic presses
US2568228A (en) * 1947-10-31 1951-09-18 Harry D Forse Two stage fluid pressure cylinder
DE956653C (de) * 1954-01-09 1957-01-24 Toussaint & Hess Gmbh Aus teleskopartig ineinander verschiebbaren Kolben bestehende hydraulische Hubvorrichtung, insbesondere fuer Kipperfahrzeuge
DE1027079B (de) * 1955-06-11 1958-03-27 Daimler Benz Ag Hydraulische Betaetigungsvorrichtung fuer Bremsfluegel an Kraftfahrzeugen
US3353454A (en) * 1966-04-05 1967-11-21 William F Donovan Ratchet
US3417670A (en) * 1966-04-18 1968-12-24 Parker Hannifin Corp Hydraulic ram
DE2004117A1 (de) * 1969-02-14 1970-09-03 Nummi Oy Anordnung an einem Teleskopzylinder
SE380588B (sv) * 1973-12-21 1975-11-10 Foerenade Fabriksverken Arbetscylinder med i valfritt lege lasbar kolv
FR2290613A2 (fr) * 1974-11-08 1976-06-04 Protomatic Perfectionnements aux verins telescopiques
US4303005A (en) * 1979-07-16 1981-12-01 The Heil Company Hydraulic cylinder assembly

Also Published As

Publication number Publication date
WO1981003528A1 (fr) 1981-12-10
FR2484031A1 (fr) 1981-12-11
JPS57501137A (cg-RX-API-DMAC7.html) 1982-07-01
US4471944A (en) 1984-09-18
EP0053144A1 (fr) 1982-06-09

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