IT1211191B - IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME - Google Patents

IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME

Info

Publication number
IT1211191B
IT1211191B IT8767589A IT6758987A IT1211191B IT 1211191 B IT1211191 B IT 1211191B IT 8767589 A IT8767589 A IT 8767589A IT 6758987 A IT6758987 A IT 6758987A IT 1211191 B IT1211191 B IT 1211191B
Authority
IT
Italy
Prior art keywords
same time
hydraulic jacks
improvement relating
stage coaxial
coaxial hydraulic
Prior art date
Application number
IT8767589A
Other languages
Italian (it)
Other versions
IT8767589A0 (en
Inventor
Pietro Pagliero
Original Assignee
Op Pagliero S P A
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 Op Pagliero S P A filed Critical Op Pagliero S P A
Priority to IT8767589A priority Critical patent/IT1211191B/en
Publication of IT8767589A0 publication Critical patent/IT8767589A0/en
Priority to GB08815942A priority patent/GB2206929A/en
Priority to FR8809174A priority patent/FR2617915B1/en
Priority to ES8802151A priority patent/ES2011101A6/en
Priority to NL8801732A priority patent/NL8801732A/en
Application granted granted Critical
Publication of IT1211191B publication Critical patent/IT1211191B/en

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
    • B66F11/00—Lifting devices specially adapted for particular uses not otherwise provided for
    • B66F11/04—Lifting devices specially adapted for particular uses not otherwise provided for for movable platforms or cabins, e.g. on vehicles, permitting workmen to place themselves in any desired position for carrying out required operations
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Actuator (AREA)
IT8767589A 1987-07-10 1987-07-10 IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME IT1211191B (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
IT8767589A IT1211191B (en) 1987-07-10 1987-07-10 IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME
GB08815942A GB2206929A (en) 1987-07-10 1988-07-05 Improvements in or relating to hydraulically operated telescopic devices
FR8809174A FR2617915B1 (en) 1987-07-10 1988-07-06 MULTI-STAGE HYDRAULIC CYLINDER WITH SIMULTANEOUS TELESCOPIC OPERATION
ES8802151A ES2011101A6 (en) 1987-07-10 1988-07-08 Improvements in or relating to hydraulically operated telescopic devices
NL8801732A NL8801732A (en) 1987-07-10 1988-07-08 JACK WITH STAGE ORDERING, SIMULTANEOUSLY TELESCOPIC HYDRAULIC JACKS.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8767589A IT1211191B (en) 1987-07-10 1987-07-10 IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME

Publications (2)

Publication Number Publication Date
IT8767589A0 IT8767589A0 (en) 1987-07-10
IT1211191B true IT1211191B (en) 1989-10-12

Family

ID=11303671

Family Applications (1)

Application Number Title Priority Date Filing Date
IT8767589A IT1211191B (en) 1987-07-10 1987-07-10 IMPROVEMENT RELATING TO THE MULTI-STAGE COAXIAL HYDRAULIC JACKS THAT CAN BE OPERATED TELESCOPICALLY AT THE SAME TIME

Country Status (5)

Country Link
ES (1) ES2011101A6 (en)
FR (1) FR2617915B1 (en)
GB (1) GB2206929A (en)
IT (1) IT1211191B (en)
NL (1) NL8801732A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4225032A1 (en) * 1992-07-29 1994-02-03 Ec Eng & Consult Spezialmasch Telescopic arrangement consisting of several plunger cylinders, in particular for telescopic booms on cranes or the like.
DE4227151A1 (en) * 1992-08-17 1994-02-24 Montan Hydraulik Gmbh & Co Kg Telescopic cylinder extending under pressure medium pressure with at least two telescopic shots
FR2710373A1 (en) * 1993-09-22 1995-03-31 Bourgeois Alain Double extension ram supplied through its rod
DE9318847U1 (en) * 1993-12-08 1994-02-03 Ec Engineering + Consulting Spezialmaschinen Gmbh, 89079 Ulm Telescopic boom with multi-stage hydraulic cylinder
CN111942339A (en) * 2020-08-24 2020-11-17 门立山 Device for preventing vehicle from being flooded

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL250626A (en) * 1959-04-24
GB1022443A (en) * 1961-06-07 1966-03-16 Dobson Ltd W E & F Improvements in or relating to load supporting props assemblies
US3188917A (en) * 1962-08-10 1965-06-15 Yale & Towne Inc Telescoping lift ram
GB1045302A (en) * 1963-03-14 1966-10-12 Electro Hydraulics Ltd Hydraulically operated roof supports
GB1114927A (en) * 1964-09-10 1968-05-22 Dowty Mining Equipment Ltd Fluid-pressure-operated telescopic prop assembly
DE1240743B (en) * 1965-02-17 1967-05-18 Toussaint & Hess Gmbh Hydraulic piston drive with telescopic piston
FR2345608A1 (en) * 1976-03-23 1977-10-21 Pagliero Pietro Hydraulic ram with coaxial cylinders - has central telescopic flow tubes and apertures through cylinders
DE3150643A1 (en) * 1981-12-21 1983-06-30 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen HYDRAULIC TELESCOPE STAMP, ESPECIALLY FOR UNDERGROUND SCREAM EXTENSION, LIKE, IN PARTICULAR, SHIELD EXTENSION RACK
DE3521818A1 (en) * 1985-06-19 1987-01-02 Kloeckner Becorit Gmbh TRIPLE-TELESCOPE STAMP

Also Published As

Publication number Publication date
FR2617915B1 (en) 1994-03-25
GB8815942D0 (en) 1988-08-10
NL8801732A (en) 1989-02-01
IT8767589A0 (en) 1987-07-10
GB2206929A (en) 1989-01-18
ES2011101A6 (en) 1989-12-16
FR2617915A1 (en) 1989-01-13

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950725