SE7407393L - - Google Patents

Info

Publication number
SE7407393L
SE7407393L SE7407393A SE7407393A SE7407393L SE 7407393 L SE7407393 L SE 7407393L SE 7407393 A SE7407393 A SE 7407393A SE 7407393 A SE7407393 A SE 7407393A SE 7407393 L SE7407393 L SE 7407393L
Authority
SE
Sweden
Prior art keywords
tower
platform
erected position
stop
erected
Prior art date
Application number
SE7407393A
Other languages
English (en)
Inventor
Y Bouma
Original Assignee
Gen Crane Industries
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 Gen Crane Industries filed Critical Gen Crane Industries
Publication of SE7407393L publication Critical patent/SE7407393L/

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
    • B66C23/18—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 specially adapted for use in particular purposes
    • B66C23/26—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 specially adapted for use in particular purposes for use on building sites; constructed, e.g. with separable parts, to facilitate rapid assembly or dismantling, for operation at successively higher levels, for transport by road or rail
    • B66C23/34—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes
    • B66C23/346—Self-erecting cranes, i.e. with hoisting gear adapted for crane erection purposes with locking devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
  • Vehicle Cleaning, Maintenance, Repair, Refitting, And Outriggers (AREA)
  • Movable Scaffolding (AREA)
  • Ladders (AREA)
SE7407393A 1973-06-05 1974-06-05 SE7407393L ( )

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA173,260A CA984575A (en) 1973-06-05 1973-06-05 Stop lock assembly for a pivotal tower

Publications (1)

Publication Number Publication Date
SE7407393L true SE7407393L ( ) 1974-12-06

Family

ID=4096916

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7407393A SE7407393L ( ) 1973-06-05 1974-06-05

Country Status (9)

Country Link
US (1) US3934381A ( )
JP (1) JPS5027261A ( )
CA (1) CA984575A ( )
DE (1) DE2426918A1 ( )
FR (1) FR2232505B1 ( )
GB (1) GB1410298A ( )
IT (1) IT1013349B ( )
NL (1) NL7407568A ( )
SE (1) SE7407393L ( )

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4290495A (en) * 1979-06-18 1981-09-22 Hydra-Rig, Inc. Portable workover rig with extendable mast substructure, platform mounted drawworks and adjustable wellhead anchor
US10654693B2 (en) * 2015-11-19 2020-05-19 Pride Bodies Ltd. Crane support assembly

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2193293A (en) * 1936-08-11 1940-03-12 William H Nichols Pile driver
US2354922A (en) * 1941-02-14 1944-08-01 Int Stacey Corp Portable derrick
US2327461A (en) * 1942-02-10 1943-08-24 Ralph H Bouligny Trailer derrick
US2611580A (en) * 1949-09-13 1952-09-23 J H Holan Corp Pole derrick
US2711803A (en) * 1952-02-05 1955-06-28 Mccabe Powers Auto Body Co Folding lifting booms
US2790622A (en) * 1953-09-15 1957-04-30 Reid G Priest Portable logging tower
US2993570A (en) * 1955-04-18 1961-07-25 Emil A Bender Portable trailer-mounted derrick
US3015374A (en) * 1956-05-04 1962-01-02 Tel E Lect Products Inc Hydraulic derrick
US3101816A (en) * 1960-05-20 1963-08-27 James A Wood Drilling and servicing mast
US3109523A (en) * 1960-09-01 1963-11-05 Skytop Rig Co Folding derrick
US3189134A (en) * 1961-11-27 1965-06-15 Weyerhaeuser Co Portable skyline yarder
FR1586854A ( ) * 1968-04-23 1970-03-06
GB1404136A (en) * 1971-11-04 1975-08-28 Gen Crane Industries Mobile load holding means particularly tower cranes
US3778940A (en) * 1972-06-29 1973-12-18 Ingersoll Rand Co Transferential pin

Also Published As

Publication number Publication date
IT1013349B (it) 1977-03-30
DE2426918A1 (de) 1975-01-02
GB1410298A (en) 1975-10-15
CA984575A (en) 1976-03-02
FR2232505B1 ( ) 1978-01-13
FR2232505A1 ( ) 1975-01-03
JPS5027261A ( ) 1975-03-20
NL7407568A ( ) 1974-12-09
US3934381A (en) 1976-01-27

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