US3927865A - Apparatus for lifting of heavy loads - Google Patents

Apparatus for lifting of heavy loads Download PDF

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Publication number
US3927865A
US3927865A US435818A US43581874A US3927865A US 3927865 A US3927865 A US 3927865A US 435818 A US435818 A US 435818A US 43581874 A US43581874 A US 43581874A US 3927865 A US3927865 A US 3927865A
Authority
US
United States
Prior art keywords
climbing
frame
load
mast
support
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 - Lifetime
Application number
US435818A
Other languages
English (en)
Inventor
Carl-Heinrich Teod Blankenburg
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.)
WIKSTROM INTERNATIONAL AB
WILKSTROM INTERNATIONAL AB
Original Assignee
WILKSTROM INTERNATIONAL AB
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 WILKSTROM INTERNATIONAL AB filed Critical WILKSTROM INTERNATIONAL AB
Application granted granted Critical
Publication of US3927865A publication Critical patent/US3927865A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02B—HYDRAULIC ENGINEERING
    • E02B17/00—Artificial islands mounted on piles or like supports, e.g. platforms on raisable legs or offshore constructions; Construction methods therefor
    • E02B17/04—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction
    • E02B17/08—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering
    • E02B17/0836—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks
    • E02B17/0881—Equipment specially adapted for raising, lowering, or immobilising the working platform relative to the supporting construction for raising or lowering with climbing jacks with following nuts

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Jib Cranes (AREA)
US435818A 1973-01-29 1974-01-23 Apparatus for lifting of heavy loads Expired - Lifetime US3927865A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7301208A SE367612B (de) 1973-01-29 1973-01-29

Publications (1)

Publication Number Publication Date
US3927865A true US3927865A (en) 1975-12-23

Family

ID=20316461

Family Applications (1)

Application Number Title Priority Date Filing Date
US435818A Expired - Lifetime US3927865A (en) 1973-01-29 1974-01-23 Apparatus for lifting of heavy loads

Country Status (4)

Country Link
US (1) US3927865A (de)
DE (1) DE2403412A1 (de)
GB (1) GB1455623A (de)
SE (1) SE367612B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8757593B2 (en) 2012-05-10 2014-06-24 Commonwealth Dynamics, Inc. Ratchet pawl system, device and method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106638532B (zh) * 2015-10-30 2019-05-28 中石化石油工程技术服务有限公司 双排主油缸连续升降装置

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2822670A (en) * 1953-09-02 1958-02-11 Delong Corp Perforated caisson jack assembly
US3028143A (en) * 1959-03-30 1962-04-03 David B Cheskin Lifting apparatus
US3053015A (en) * 1959-06-26 1962-09-11 George T Graham Method of building construction
US3522931A (en) * 1963-11-08 1970-08-04 Erik Johan Von Heidenstam Apparatus for erecting multistorey buildings
US3793702A (en) * 1971-04-29 1974-02-26 N Ahlgren Method of dismantling framework structures

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2822670A (en) * 1953-09-02 1958-02-11 Delong Corp Perforated caisson jack assembly
US3028143A (en) * 1959-03-30 1962-04-03 David B Cheskin Lifting apparatus
US3053015A (en) * 1959-06-26 1962-09-11 George T Graham Method of building construction
US3522931A (en) * 1963-11-08 1970-08-04 Erik Johan Von Heidenstam Apparatus for erecting multistorey buildings
US3793702A (en) * 1971-04-29 1974-02-26 N Ahlgren Method of dismantling framework structures

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8757593B2 (en) 2012-05-10 2014-06-24 Commonwealth Dynamics, Inc. Ratchet pawl system, device and method

Also Published As

Publication number Publication date
SE367612B (de) 1974-06-04
DE2403412A1 (de) 1974-08-01
GB1455623A (en) 1976-11-17

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