HEAVY ARTICLE HOISTING TOOL

PROBLEM TO BE SOLVED: To provide a heavy article hoisting tool preventing tension applied on wire from getting nonuniform even when a heavy article is supported at a plurality of positions. SOLUTION: The heavy article hoisting tool is composed of a balance beam 23a attached to a lower surface of a r...

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Bibliographic Details
Main Authors IMOTO TAKESHI, ARAKAWA TOSHIAKI
Format Patent
LanguageEnglish
Published 30.09.2004
Edition7
Subjects
CRANES
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TRANSPORTING
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Summary:PROBLEM TO BE SOLVED: To provide a heavy article hoisting tool preventing tension applied on wire from getting nonuniform even when a heavy article is supported at a plurality of positions. SOLUTION: The heavy article hoisting tool is composed of a balance beam 23a attached to a lower surface of a rod-shaped main beam 20 through a shaft 24a so as to vertically rotate at both end portions, and hooks 31a, 31b respectively attached to the both end portions of the balance beam 23a through wires 30a, 30b. In regard to the hooks 31a, 31b supporting an end portion of the heavy article 48, even when warpage occurs on the heavy article 48, the balance beam 23a tilts according to that, so that force applied on the wires 30a, 30b is made to be uniform. Therefore, weight added from the heavy article 48 to the hooks 31a, 31b is made to be uniform. COPYRIGHT: (C)2004,JPO&NCIPI
Bibliography:Application Number: JP20030059659