FR2169850A1 - - Google Patents

Info

Publication number
FR2169850A1
FR2169850A1 FR7245970A FR7245970A FR2169850A1 FR 2169850 A1 FR2169850 A1 FR 2169850A1 FR 7245970 A FR7245970 A FR 7245970A FR 7245970 A FR7245970 A FR 7245970A FR 2169850 A1 FR2169850 A1 FR 2169850A1
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.)
Granted
Application number
FR7245970A
Other languages
French (fr)
Other versions
FR2169850B1 (en
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.)
Redman Fisher Engineering Ltd
Original Assignee
Redman Fisher Engineering Ltd
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 Redman Fisher Engineering Ltd filed Critical Redman Fisher Engineering Ltd
Publication of FR2169850A1 publication Critical patent/FR2169850A1/fr
Application granted granted Critical
Publication of FR2169850B1 publication Critical patent/FR2169850B1/fr
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C23/00—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes
    • B66C23/54—Cranes comprising essentially a beam, boom, or triangular structure acting as a cantilever and mounted for translatory of swinging movements in vertical or horizontal planes or a combination of such movements, e.g. jib-cranes, derricks, tower cranes with pneumatic or hydraulic motors, e.g. for actuating jib-cranes on tractors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C13/00—Other constructional features or details
    • B66C13/18—Control systems or devices
    • 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
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
    • 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/26—Supply reservoir or sump assemblies
    • 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
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1466—Hollow piston sliding over a stationary rod inside the cylinder
    • 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
    • F15B15/18—Combined units comprising both motor and pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/06—Cranes in which the lifting movement is done with a hydraulically controlled plunger

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
FR7245970A 1971-12-23 1972-12-22 Expired FR2169850B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB5999171 1971-12-23
GB86872A GB1361820A (en) 1971-12-23 1972-01-07 Hydraulic ram and its use in a crane

Publications (2)

Publication Number Publication Date
FR2169850A1 true FR2169850A1 (en) 1973-09-14
FR2169850B1 FR2169850B1 (en) 1975-03-28

Family

ID=26236238

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7245970A Expired FR2169850B1 (en) 1971-12-23 1972-12-22

Country Status (5)

Country Link
DE (1) DE2263000A1 (en)
FR (1) FR2169850B1 (en)
GB (1) GB1361820A (en)
IT (1) IT976194B (en)
NL (1) NL7217501A (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3607419C1 (en) * 1986-03-06 1987-01-15 Detlef Koeppen Pressure-medium-operated cylinder/pump unit
DE3623117A1 (en) * 1986-07-09 1988-02-04 Detlef Koeppen Cylinder/pump standard component operated by hydraulic (pressure) fluid
DE3833484A1 (en) * 1988-10-01 1990-04-05 Asea Brown Boveri Drive device for an electrical switching apparatus
GB2496626A (en) * 2011-11-16 2013-05-22 Portway Design Llp Hydraulic actuator for use in a hydraulic jack
NO20150966A1 (en) * 2015-07-24 2017-01-25 Macgregor Norway As Hydraulic actuator
FR3048036B1 (en) * 2016-02-22 2019-08-23 Thierry Grandjean HYDRAULIC CYLINDER COMPACTOR AND METHOD OF REDUCING THE VOLUME OF WASTE
CN107381413B (en) * 2017-07-05 2018-12-28 南通市通润汽车零部件有限公司 A kind of adjustable type jack

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB654191A (en) * 1949-07-12 1951-06-13 Laycock Engineering Company Lt Improvements in or relating to hydraulic jacks, presses and like hydraulic apparatus
US2796996A (en) * 1952-09-01 1957-06-25 Sundin Eric Olov Hydraulic elevating apparatus
US3032207A (en) * 1960-02-23 1962-05-01 Humboldt Company Loading boom with adjustable extension arm
FR1311466A (en) * 1961-11-24 1962-12-07 Electro-hydraulic device with servomotor and self-decompressor
FR1577048A (en) * 1967-08-30 1969-08-01

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB654191A (en) * 1949-07-12 1951-06-13 Laycock Engineering Company Lt Improvements in or relating to hydraulic jacks, presses and like hydraulic apparatus
US2796996A (en) * 1952-09-01 1957-06-25 Sundin Eric Olov Hydraulic elevating apparatus
US3032207A (en) * 1960-02-23 1962-05-01 Humboldt Company Loading boom with adjustable extension arm
FR1311466A (en) * 1961-11-24 1962-12-07 Electro-hydraulic device with servomotor and self-decompressor
FR1577048A (en) * 1967-08-30 1969-08-01

Also Published As

Publication number Publication date
FR2169850B1 (en) 1975-03-28
DE2263000A1 (en) 1973-06-28
IT976194B (en) 1974-08-20
GB1361820A (en) 1974-07-30
NL7217501A (en) 1973-06-26

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Legal Events

Date Code Title Description
ST Notification of lapse