NO140626C - SWIVEL CRANE WITH BOOM. - Google Patents

SWIVEL CRANE WITH BOOM.

Info

Publication number
NO140626C
NO140626C NO1389/69A NO138969A NO140626C NO 140626 C NO140626 C NO 140626C NO 1389/69 A NO1389/69 A NO 1389/69A NO 138969 A NO138969 A NO 138969A NO 140626 C NO140626 C NO 140626C
Authority
NO
Norway
Prior art keywords
boom
swivel crane
crane
swivel
Prior art date
Application number
NO1389/69A
Other languages
Norwegian (no)
Other versions
NO140626B (en
Inventor
Robert Morrison
Original Assignee
Speedcranes 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
Priority claimed from GB1575368A external-priority patent/GB1268041A/en
Application filed by Speedcranes Ltd filed Critical Speedcranes Ltd
Publication of NO140626B publication Critical patent/NO140626B/en
Publication of NO140626C publication Critical patent/NO140626C/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D3/00—Portable or mobile lifting or hauling appliances
    • B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
    • B66D3/043—Block and tackle system with variable number of cable parts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)
NO1389/69A 1968-04-02 1969-04-01 SWIVEL CRANE WITH BOOM. NO140626C (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1575368A GB1268041A (en) 1967-12-21 1967-12-21 Improvements to jib cranes and swinging derricks

Publications (2)

Publication Number Publication Date
NO140626B NO140626B (en) 1979-07-02
NO140626C true NO140626C (en) 1979-10-10

Family

ID=10064875

Family Applications (1)

Application Number Title Priority Date Filing Date
NO1389/69A NO140626C (en) 1968-04-02 1969-04-01 SWIVEL CRANE WITH BOOM.

Country Status (5)

Country Link
US (1) US3620504A (en)
JP (1) JPS521169B1 (en)
DE (1) DE1916546A1 (en)
NL (1) NL6905181A (en)
NO (1) NO140626C (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685669A (en) * 1970-05-04 1972-08-22 Speedcranes Ltd Derrick cranes and swinging derricks
DE2033977C2 (en) * 1970-07-08 1982-12-16 Tax, Hans, 8000 München Cable suspension of a load suspension device provided with a pendulum damping device
BR7200131D0 (en) * 1971-01-08 1973-05-03 Speed Granes Ltd WINCH CRANE
US3993287A (en) * 1973-02-09 1976-11-23 Linden-Alimak Ab Method and device of reblocking to an increased or reduced number of rope parts at a hoisting gear
JPS54128463U (en) * 1978-02-28 1979-09-06
US5579931A (en) * 1989-10-10 1996-12-03 Manitowoc Engineering Company Liftcrane with synchronous rope operation
US6758356B1 (en) 1989-10-10 2004-07-06 Manitowoc Crane Companies, Inc. Liftcrane with synchronous rope operation
US6186346B1 (en) * 1998-03-20 2001-02-13 Grove U.S. L.L.C. Multi-position low profile boom nose
NL1026458C2 (en) * 2004-06-18 2005-12-20 Itrec Bv Cranes and offshore vessel.

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US578495A (en) * 1897-03-09 Derrick
DE48659C (en) * O. GEBHARDT in Charlottenhof Rock drilling machine with water motor and material-emitting tool
US2807374A (en) * 1953-09-22 1957-09-24 William D Carothers Multiple reeved level luffing single hoist line for cranes and derricks
US2933197A (en) * 1956-05-10 1960-04-19 Clyde Iron Works Inc Cargo cranes
US3062383A (en) * 1959-05-08 1962-11-06 Asea Ab Luffing crane mechanism
US3279762A (en) * 1964-03-11 1966-10-18 Otis Elevator Co Noise abating and traction improving elevator sheave
US3224381A (en) * 1964-03-30 1965-12-21 Hewlett Packard Co Wheel for carrying electronic equipment
GB1104157A (en) * 1965-03-10 1968-02-21 John Stevenson Thomson Improvements relating to cranes
US3258249A (en) * 1965-08-10 1966-06-28 Newport News S & D Co Multi-speed pulling apparatus
GB1146392A (en) * 1967-02-10 1969-03-26 John Stevenson Thomson Improvements relating to cranes
US3430776A (en) * 1967-04-24 1969-03-04 Robert Morrison Derrick cranes and swinging derricks

Also Published As

Publication number Publication date
JPS521169B1 (en) 1977-01-12
DE1916546A1 (en) 1969-11-13
NL6905181A (en) 1969-10-06
NO140626B (en) 1979-07-02
US3620504A (en) 1971-11-16

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