GB289083A - Improvements in and relating to level luffing jib cranes - Google Patents

Improvements in and relating to level luffing jib cranes

Info

Publication number
GB289083A
GB289083A GB10329/28A GB1032928A GB289083A GB 289083 A GB289083 A GB 289083A GB 10329/28 A GB10329/28 A GB 10329/28A GB 1032928 A GB1032928 A GB 1032928A GB 289083 A GB289083 A GB 289083A
Authority
GB
United Kingdom
Prior art keywords
luffing
jib
rope
load
relating
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
GB10329/28A
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.)
JOSE IRURETA
Original Assignee
JOSE IRURETA
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 JOSE IRURETA filed Critical JOSE IRURETA
Publication of GB289083A publication Critical patent/GB289083A/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
    • B66C23/06—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 with jibs mounted for jibbing or luffing movements
    • B66C23/08—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths
    • B66C23/10—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 with jibs mounted for jibbing or luffing movements and adapted to move the loads in predetermined paths the paths being substantially horizontal; Level-luffing jib-cranes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66C—CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES
    • B66C2700/00—Cranes
    • B66C2700/03—Cranes with arms or jibs; Multiple cranes
    • B66C2700/0307—Cranes in which it is essential that the load is moving horizontally during the luffing movement of the arm or jib
    • B66C2700/0314—Cranes in which it is essential that the load is moving horizontally during the luffing movement of the arm or jib in combination with the movement of the counterweight

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jib Cranes (AREA)

Abstract

289,083. Irureta, J. April 23, 1927, [Convention date]. Jib cranes.-To ensure horizontal movement of the load in luffing, the load rope 8 passes over a compensating pulley 10 carried by a counterweight 3, and the counterweight is suspended at 20 in bights of tail ropes 7 wound on fusees 6 which rotate with the luffing drums 5. As shown, the luffing drums haul on both ends of a rope 16 passing over a sheave 17 attached to the jib. The load rope 8 passes from the pulley 10 to a guide sheave remote from the jib foot so as to run in the same direction as the luffing ropes. The method of determining the contour of the fusee to ensure exact compensation is described.
GB10329/28A 1927-04-23 1928-04-05 Improvements in and relating to level luffing jib cranes Expired GB289083A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ES289083X 1927-04-23

Publications (1)

Publication Number Publication Date
GB289083A true GB289083A (en) 1928-07-26

Family

ID=8244970

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10329/28A Expired GB289083A (en) 1927-04-23 1928-04-05 Improvements in and relating to level luffing jib cranes

Country Status (1)

Country Link
GB (1) GB289083A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419209A (en) * 1944-08-11 1947-04-22 Goodman Robert Variable transmission level luffing device for derricks and jib cranes
DE3420977A1 (en) * 1984-06-06 1985-12-12 M.A.N.-Wolffkran GmbH, 7100 Heilbronn Single-link luffing crane for four-rope grab or load hook operation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2419209A (en) * 1944-08-11 1947-04-22 Goodman Robert Variable transmission level luffing device for derricks and jib cranes
DE3420977A1 (en) * 1984-06-06 1985-12-12 M.A.N.-Wolffkran GmbH, 7100 Heilbronn Single-link luffing crane for four-rope grab or load hook operation

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