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.)
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RIGGERS Manufacturing Co
Original Assignee
RIGGERS Manufacturing Co
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Filing date
Publication date
Application filed by RIGGERS Manufacturing CofiledCriticalRIGGERS Manufacturing Co
Priority to FR7426152ApriorityCriticalpatent/FR2279655A1/fr
Publication of FR2279655A1publicationCriticalpatent/FR2279655A1/fr
Application grantedgrantedCritical
Publication of FR2279655B1publicationCriticalpatent/FR2279655B1/fr
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
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Jib Cranes
(AREA)
FR7426152A1974-07-261974-07-26Grue equilibree par contrepoids
GrantedFR2279655A1
(fr)