DE289839C - - Google Patents

Info

Publication number
DE289839C
DE289839C DENDAT289839D DE289839DA DE289839C DE 289839 C DE289839 C DE 289839C DE NDAT289839 D DENDAT289839 D DE NDAT289839D DE 289839D A DE289839D A DE 289839DA DE 289839 C DE289839 C DE 289839C
Authority
DE
Germany
Prior art keywords
counterweight
boom
load
inclination
lever
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.)
Active
Application number
DENDAT289839D
Other languages
German (de)
English (en)
Publication of DE289839C publication Critical patent/DE289839C/de
Active 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
    • B66C23/62—Constructional features or details
    • B66C23/72—Counterweights or supports for balancing lifting couples
    • B66C23/74—Counterweights or supports for balancing lifting couples separate from jib
    • B66C23/76—Counterweights or supports for balancing lifting couples separate from jib and movable to take account of variations of load or of variations of length of jib
    • 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
    • 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
    • B66C23/36—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 mounted on road or rail vehicles; Manually-movable jib-cranes for use in workshops; Floating cranes
    • B66C23/52—Floating 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)
DENDAT289839D Active DE289839C (enrdf_load_html_response)

Publications (1)

Publication Number Publication Date
DE289839C true DE289839C (enrdf_load_html_response)

Family

ID=544840

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT289839D Active DE289839C (enrdf_load_html_response)

Country Status (1)

Country Link
DE (1) DE289839C (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2641773A1 (fr) * 1989-01-18 1990-07-20 Potain Sa Grue a fleche relevable avec dispositif de renvoi de fleche
EP1514832A1 (fr) * 2003-09-15 2005-03-16 Jean-Marc Yerly Engin de levage

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2641773A1 (fr) * 1989-01-18 1990-07-20 Potain Sa Grue a fleche relevable avec dispositif de renvoi de fleche
EP0379448A1 (fr) * 1989-01-18 1990-07-25 Potain Grue à flèche relevable avec dispositif de renvoi de flèche
EP1514832A1 (fr) * 2003-09-15 2005-03-16 Jean-Marc Yerly Engin de levage
WO2005026036A1 (fr) * 2003-09-15 2005-03-24 Jean-Marc Yerli Engin de levage
US7331476B2 (en) 2003-09-15 2008-02-19 Jean-Marc Yerly Lifting appliance

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