GB1269641A - Derrick cranes and swinging derricks - Google Patents

Derrick cranes and swinging derricks

Info

Publication number
GB1269641A
GB1269641A GB1497768A GB1497768A GB1269641A GB 1269641 A GB1269641 A GB 1269641A GB 1497768 A GB1497768 A GB 1497768A GB 1497768 A GB1497768 A GB 1497768A GB 1269641 A GB1269641 A GB 1269641A
Authority
GB
United Kingdom
Prior art keywords
derricks
swinging
derrick cranes
derrick
cranes
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
GB1497768A
Inventor
Robert Morrison
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.)
SPEEDCRANES Ltd
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 GB1221666A external-priority patent/GB1187012A/en
Application filed by SPEEDCRANES Ltd filed Critical SPEEDCRANES Ltd
Priority to GB1497768A priority Critical patent/GB1269641A/en
Publication of GB1269641A publication Critical patent/GB1269641A/en
Expired legal-status Critical Current

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
    • B66C23/60—Derricks
    • B66C23/605—Derricks employing ships' masts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
GB1497768A 1966-03-19 1968-03-28 Derrick cranes and swinging derricks Expired GB1269641A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1497768A GB1269641A (en) 1966-03-19 1968-03-28 Derrick cranes and swinging derricks

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1221666A GB1187012A (en) 1966-03-19 1966-03-19 Improvements in Derrick Cranes and Swinging Derricks.
GB1497768A GB1269641A (en) 1966-03-19 1968-03-28 Derrick cranes and swinging derricks

Publications (1)

Publication Number Publication Date
GB1269641A true GB1269641A (en) 1972-04-06

Family

ID=26248865

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1497768A Expired GB1269641A (en) 1966-03-19 1968-03-28 Derrick cranes and swinging derricks

Country Status (1)

Country Link
GB (1) GB1269641A (en)

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