CA1037941A - Methode et materiel pour le deplacement des charges - Google Patents

Methode et materiel pour le deplacement des charges

Info

Publication number
CA1037941A
CA1037941A CA213,910A CA213910A CA1037941A CA 1037941 A CA1037941 A CA 1037941A CA 213910 A CA213910 A CA 213910A CA 1037941 A CA1037941 A CA 1037941A
Authority
CA
Canada
Prior art keywords
jacks
sides
pressure medium
lifting
pressure
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.)
Expired
Application number
CA213,910A
Other languages
English (en)
Other versions
CA213910S (en
Inventor
Nils H. Ahlgren
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
Application granted granted Critical
Publication of CA1037941A publication Critical patent/CA1037941A/fr
Expired legal-status Critical Current

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
    • B66F1/00—Devices, e.g. jacks, for lifting loads in predetermined steps
    • B66F1/02—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts
    • B66F1/025—Devices, e.g. jacks, for lifting loads in predetermined steps with locking elements, e.g. washers, co-operating with posts the devices being operated by fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Bridges Or Land Bridges (AREA)
CA213,910A 1973-11-19 1974-11-15 Methode et materiel pour le deplacement des charges Expired CA1037941A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US417141A US3889926A (en) 1973-11-19 1973-11-19 Methods for shifting loads

Publications (1)

Publication Number Publication Date
CA1037941A true CA1037941A (fr) 1978-09-05

Family

ID=23652747

Family Applications (1)

Application Number Title Priority Date Filing Date
CA213,910A Expired CA1037941A (fr) 1973-11-19 1974-11-15 Methode et materiel pour le deplacement des charges

Country Status (2)

Country Link
US (1) US3889926A (fr)
CA (1) CA1037941A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4191300A (en) * 1975-02-18 1980-03-04 Rene Beghi Hoisting device for high-power crane
US4405115A (en) * 1981-02-20 1983-09-20 Varco International, Inc. Gripping jack system
DD233744A3 (de) * 1984-01-24 1986-03-12 Bauakademie Ddr Hydraulische seilzugvorrichtung
US6957942B2 (en) * 2003-03-04 2005-10-25 Holtec International, Inc Autonomous cask translocation crane

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3522931A (en) * 1963-11-08 1970-08-04 Erik Johan Von Heidenstam Apparatus for erecting multistorey buildings
US3556480A (en) * 1967-03-03 1971-01-19 Byggforbattring Ab Arrangement for effecting uniform load distrubution on climbing jacks
SE334457B (fr) * 1967-04-25 1971-04-26 Byggfoerbaetting Ab
US3685801A (en) * 1969-12-22 1972-08-22 Ahlgren Nils H Jack assemblies

Also Published As

Publication number Publication date
US3889926A (en) 1975-06-17

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