Locking system for telescopic crane jib with movable locking unit

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United States of America Patent

PATENT NO 9085443
APP PUB NO 20100187194A1
SERIAL NO

12693768

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Abstract

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The invention relates to a locking system for a telescopic crane jib, in particular for a mobile crane, in which a lock is established between a telescoping cylinder (10, 20) and a telescopic part (1-4) by means of a locking unit (21) in order to extract and retract the telescopic parts, and the locking unit (21) is disposed on the telescoping cylinder (10, 20) in such a way that it can be moved longitudinally.

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Patent Owner(s)

Patent OwnerAddress
MANITOWOC CRANE GROUP FRANCE SAS66 CHEMIN DU MOULIN CARRON C60236 DARDILLY 69574

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Schuermann, Johannes Jever, DE 3 9
Stuehrwoldt, Dieter Wilhelmshaven, DE 6 33

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