DERRICKING CRANE

PROBLEM TO BE SOLVED: To contrive moment balance without increasing the weight of a weight in a derricking jib crane in which moment balance is contrived by a counter weight. SOLUTION: This derricking jib crane is constituted by making a counter weight 12 movable so as to approach and separate from...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	MOTOHASHI JUNICHI, MIYAZAKI YASUNOBU, NOZAKI YUKIO, WADA KENICHI, KUDO MASASHI, MONAI TSUKASA, MATSUISHI YOSHIHISA
Format:	Patent
Sprache:	eng
Schlagworte:	CRANES HAULING HOISTING LIFTING LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES PERFORMING OPERATIONS TRANSPORTING
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