Derricking jib crane - has jib mounted on shaft in fork-shaped support on vertical slewing shaft

The jib (1) is mounted on a shaft in a fork-shaped support in a lattice-work frame, and the moment represented by the load (12) and its horizontal distance form the slewing bearing is transmitted by a linkage to the shaft of the support. This is coupled by means of a mounting (22) to the vertical sl...

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Bibliographic Details
Main Author GROETSCH,GEORG,DR
Format Patent
LanguageEnglish
German
Published 25.03.1976
Subjects
CRANES
HAULING
HOISTING
LIFTING
LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS,WINCHES, OR TACKLES
PERFORMING OPERATIONS
TRANSPORTING
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Summary:The jib (1) is mounted on a shaft in a fork-shaped support in a lattice-work frame, and the moment represented by the load (12) and its horizontal distance form the slewing bearing is transmitted by a linkage to the shaft of the support. This is coupled by means of a mounting (22) to the vertical slewing shaft. The linkage can comprises a screwed sleeve moved by a screwed spindle, rotating with a cradle-shaped shaft in the support. This can be secured to the mounting by stepped rings secured to it and the mounting tube, being simply inserted in the bearing shaft.
Bibliography:Application Number: DE19742443777