FR2482215A1 - Telescopic multi-section lifting jack - has hemispherical lowermost end part cooperating with uppermost end part to form ball and socket joint - Google Patents

Telescopic multi-section lifting jack - has hemispherical lowermost end part cooperating with uppermost end part to form ball and socket joint Download PDF

Info

Publication number
FR2482215A1
FR2482215A1 FR8105376A FR8105376A FR2482215A1 FR 2482215 A1 FR2482215 A1 FR 2482215A1 FR 8105376 A FR8105376 A FR 8105376A FR 8105376 A FR8105376 A FR 8105376A FR 2482215 A1 FR2482215 A1 FR 2482215A1
Authority
FR
France
Prior art keywords
elements
telescopic
end part
cylinder according
telescopic elements
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.)
Granted
Application number
FR8105376A
Other languages
English (en)
French (fr)
Other versions
FR2482215B1 (enExample
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.)
ROMANAZZI SpA
Original Assignee
ROMANAZZI SpA
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 ROMANAZZI SpA filed Critical ROMANAZZI SpA
Publication of FR2482215A1 publication Critical patent/FR2482215A1/fr
Application granted granted Critical
Publication of FR2482215B1 publication Critical patent/FR2482215B1/fr
Granted legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15BSYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08Characterised by the construction of the motor unit
    • F15B15/14Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/16Characterised by the construction of the motor unit of the straight-cylinder type of the telescopic type

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
  • Pivots And Pivotal Connections (AREA)
FR8105376A 1980-03-20 1981-03-18 Telescopic multi-section lifting jack - has hemispherical lowermost end part cooperating with uppermost end part to form ball and socket joint Granted FR2482215A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT48217/80A IT1126990B (it) 1980-03-20 1980-03-20 Perfezionamento nei martinetti telescopici a sfilamenti multipli particolarmente per cassoni ribaltabili di veicoli

Publications (2)

Publication Number Publication Date
FR2482215A1 true FR2482215A1 (en) 1981-11-13
FR2482215B1 FR2482215B1 (enExample) 1985-06-14

Family

ID=11265295

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8105376A Granted FR2482215A1 (en) 1980-03-20 1981-03-18 Telescopic multi-section lifting jack - has hemispherical lowermost end part cooperating with uppermost end part to form ball and socket joint

Country Status (4)

Country Link
DE (1) DE3110425A1 (enExample)
FR (1) FR2482215A1 (enExample)
GB (1) GB2076894B (enExample)
IT (1) IT1126990B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3200082A1 (de) * 1982-01-05 1983-07-14 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Hydraulischer steuerzylinder zur einstellung des schnitthorizontes untertaegiger gewinnungsmaschinen
US4969389A (en) * 1988-05-03 1990-11-13 Foster Raymond K Multisection hydraulic drive unit with single piston rod
US6450083B1 (en) * 2001-01-22 2002-09-17 Dawson Hydraulics Inc. Telescopic hydraulic hoist
US7182191B2 (en) 2002-07-11 2007-02-27 Autoliv Asp, Inc. Motion damper
US7063019B2 (en) 2002-07-11 2006-06-20 Autoliv Asp, Inc. Assemblies including extendable, reactive charge-containing actuator devices
US6907817B2 (en) * 2002-07-11 2005-06-21 Autoliv Asp, Inc. Linear actuator
US7303040B2 (en) 2004-05-18 2007-12-04 Autolive Asp, Inc. Active vehicle hood system and method
ITRN20130040A1 (it) * 2013-09-30 2015-03-31 H S Penta S P A Cilindro idraulico.
CN107725531B (zh) * 2017-09-28 2019-11-05 徐州徐工液压件有限公司 组合间隙式多级自卸车液压缸

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB250173A (enExample) * 1925-03-31 1926-06-03 Ernst Wirz
CH270727A (it) * 1948-12-01 1950-09-15 Biffoni Lorenzo Impianto comprendente un martinetto idraulico a telescopio destinato segnatamente al ribaltamento della cassa di carico di autocarri.
DE800814C (de) * 1948-12-18 1950-12-07 Max Roedel Hydraulische Kipperpresse mit drei Hohlkolben
US2872787A (en) * 1954-07-12 1959-02-10 Flowers Daniel Fort Fluid operated power lifting unit for dumping vehicles
US3415169A (en) * 1966-06-10 1968-12-10 Euclid Hydraulic cylinder
FR2301714A1 (fr) * 1975-02-20 1976-09-17 Edbro Ltd Verin hydraulique perfectionne

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1717485A (en) * 1925-03-31 1929-06-18 Wirz Ernst Unloading jack
DE2157346C2 (de) * 1971-11-18 1982-02-25 Dautel, Helmut, Dipl.-Ing., 7105 Leingarten Schwenklager mit kordanischer Aufhängung für einen Arbeitszylinder

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB250173A (enExample) * 1925-03-31 1926-06-03 Ernst Wirz
CH270727A (it) * 1948-12-01 1950-09-15 Biffoni Lorenzo Impianto comprendente un martinetto idraulico a telescopio destinato segnatamente al ribaltamento della cassa di carico di autocarri.
DE800814C (de) * 1948-12-18 1950-12-07 Max Roedel Hydraulische Kipperpresse mit drei Hohlkolben
US2872787A (en) * 1954-07-12 1959-02-10 Flowers Daniel Fort Fluid operated power lifting unit for dumping vehicles
US3415169A (en) * 1966-06-10 1968-12-10 Euclid Hydraulic cylinder
FR2301714A1 (fr) * 1975-02-20 1976-09-17 Edbro Ltd Verin hydraulique perfectionne

Also Published As

Publication number Publication date
IT8048217A0 (it) 1980-03-20
FR2482215B1 (enExample) 1985-06-14
DE3110425A1 (de) 1982-04-08
GB2076894B (en) 1983-11-30
IT1126990B (it) 1986-05-21
GB2076894A (en) 1981-12-09

Similar Documents

Publication Publication Date Title
WO1980001366A1 (fr) Support inclinable pour objet ou piece a usiner
EP2154391B1 (fr) Cylindre de frein comportant une chambre de pression
CA2811383A1 (fr) Dispositif d'aide au travail de tubes comportant plusieurs parties ayant des surfaces homologues et un verrou
FR2482215A1 (en) Telescopic multi-section lifting jack - has hemispherical lowermost end part cooperating with uppermost end part to form ball and socket joint
FR2514095A1 (fr) Actionneur a pression de fluide pour vanne
WO2002001079A1 (fr) Verin hydraulique a double effet avec dispositif de blocage axial
FR2778721A1 (fr) Bride de serrage notamment pour conduite petroliere
FR3086568A1 (fr) Dispositif interieur de serrage et de soudage
FR2641827A1 (fr) Verin a trois pistons et trois positions
WO1996035055A1 (fr) Pompe alternative verticale
CA2480210A1 (fr) Actionneur a deux modes de fonctionnement
EP0286494A1 (fr) Appareil pour le positionnement de l'extrémité d'une première pièce allongée, en matière plastique, avec au moins l'extrémité d'une deuxième pièce allongée en matière plastique, en vue de leur assemblage
FR2812351A1 (fr) Dispositif d'actionnement fluidique sans frottement
FR2545120A1 (fr) Procede de raccordement sous l'eau de deux elements creux en beton tels que deux elements successifs d'un tunnel
EP0783085A1 (fr) Piece souple susceptible d'être montée dans une ouverture
FR2661229A1 (fr) Cylindre a gaz.
EP0618047B1 (fr) Dispositif de montage d'axes de liaison pour éléments de charpente, et axe de liaison adapté à ce dispositif
EP0445051B1 (fr) Dispositif de bridage hydraulique
FR2750537A1 (fr) Dispositif de connexion electrique d'une electrode en particulier d'un four metallurgique, a moyens de rappel
FR2783849A1 (fr) Balise de voirie legere
BE564453A (enExample)
FR2607799A1 (fr) Systeme de commande du developpement et/ou de la contraction des elements d'un dispositif telescopique tel qu'une fleche de grue ou analogue
FR2634803A1 (fr) Dispositif d'appui sur le fond marin pour jambes de plates-formes petrolieres auto-elevatrices de forage en mer, et plates-formes en comportant application
FR2684703A1 (fr) Bouche a cle reglable en hauteur.
BE887901A (fr) Procede pour le forage d'un puits et aire de travail pour la mise en oeuvre de ce procede

Legal Events

Date Code Title Description
ST Notification of lapse