ZA774798B - Improvements in telescoping mechanisms - Google Patents

Improvements in telescoping mechanisms

Info

Publication number
ZA774798B
ZA774798B ZA00774798A ZA774798A ZA774798B ZA 774798 B ZA774798 B ZA 774798B ZA 00774798 A ZA00774798 A ZA 00774798A ZA 774798 A ZA774798 A ZA 774798A ZA 774798 B ZA774798 B ZA 774798B
Authority
ZA
South Africa
Prior art keywords
telescoping mechanisms
telescoping
mechanisms
Prior art date
Application number
ZA00774798A
Inventor
C Clements
Original Assignee
Telehoist 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 Telehoist Ltd filed Critical Telehoist Ltd
Publication of ZA774798B publication Critical patent/ZA774798B/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
    • 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
    • B66F3/26—Adaptations or arrangements of pistons
    • B66F3/28—Adaptations or arrangements of pistons telescopic
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B7/00—Connections of rods or tubes, e.g. of non-circular section, mutually, including resilient connections
    • F16B7/10—Telescoping systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Structural Engineering (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Fluid Mechanics (AREA)
  • Earth Drilling (AREA)
  • Joints Allowing Movement (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Clamps And Clips (AREA)
  • Actuator (AREA)
ZA00774798A 1976-08-20 1977-08-09 Improvements in telescoping mechanisms ZA774798B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB34699/76A GB1590773A (en) 1976-08-20 1976-08-20 Telescoping mechanisms

Publications (1)

Publication Number Publication Date
ZA774798B true ZA774798B (en) 1978-09-27

Family

ID=10368871

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA00774798A ZA774798B (en) 1976-08-20 1977-08-09 Improvements in telescoping mechanisms

Country Status (8)

Country Link
BE (1) BE857940A (en)
CA (1) CA1057164A (en)
DE (1) DE2649524C2 (en)
FR (1) FR2362297A1 (en)
GB (1) GB1590773A (en)
IN (1) IN149177B (en)
NL (1) NL185863C (en)
ZA (1) ZA774798B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4339989A (en) * 1978-12-18 1982-07-20 Webster Raymond G Hydraulic rams
JPS6127914Y2 (en) * 1981-05-11 1986-08-19
JPS5895984U (en) * 1981-12-22 1983-06-29 株式会社マサダ製作所 oil jack
DE4011119A1 (en) * 1990-04-06 1991-10-10 Walter Neumeister PISTON CYLINDER AGGREGATE
SE0001448L (en) * 2000-04-19 2001-10-20 Svenska Kenab Karlshamns Ergon Telescope tubes and ways of making this
EP2466156A1 (en) * 2010-12-16 2012-06-20 Hyva Holding BV Telescopic hydraulic cylinder

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB655341A (en) * 1946-04-18 1951-07-18 Gratzmuller Jean Louis Improvements in or relating to hydraulic jacks
GB771282A (en) * 1954-08-07 1957-03-27 Sogeni Societa Generale Per L Hydraulic telescopic hoisting apparatus
US2854958A (en) * 1955-04-15 1958-10-07 Perfection Steel Body Company Telescopic cylinder assembly
DE1107383B (en) * 1957-05-29 1961-05-25 Rheinstahl Siegener Eisenbahnb Double-acting, multi-stage telescopic lifting ram
US3468398A (en) * 1968-01-08 1969-09-23 Galloway Co G W Multistage linear motor with means for locking the stages thereof against relative rotary movement
DE2004117A1 (en) * 1969-02-14 1970-09-03 Nummi Oy Arrangement on a telescopic cylinder
DE2319344A1 (en) * 1973-04-17 1974-11-07 Jungheinrich & Co Maschf DOUBLE-ACTING TELESCOPIC CYLINDER PISTON DEVICE
DE2442731A1 (en) * 1974-09-06 1976-03-18 Bosch Gmbh Robert Working cylinder with plunger-shaped piston rod - incorporates sealing arrangement between guide rings
FR2290613A2 (en) * 1974-11-08 1976-06-04 Protomatic Drawn tubes for telescopic jacks - have guide rings inserted avoiding machine finishing of tube interior

Also Published As

Publication number Publication date
DE2649524A1 (en) 1978-02-23
NL7709054A (en) 1978-02-22
NL185863B (en) 1990-03-01
FR2362297A1 (en) 1978-03-17
DE2649524C2 (en) 1983-01-20
GB1590773A (en) 1981-06-10
FR2362297B1 (en) 1984-07-13
CA1057164A (en) 1979-06-26
BE857940A (en) 1977-12-16
IN149177B (en) 1981-10-03
NL185863C (en) 1990-08-01

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