Crane

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 10633228
APP PUB NO 20160362283A1
SERIAL NO

15249178

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention relates to a crane, in particular to a revolving tower crane, having a boom rotatable about an upright slewing gear axis by a slewing gear drive and having an out-of-operation brake which allows and brakes rotary movements of the boom in the out-of-operation state. In accordance with the invention, the out-of-operation brake is configured as working electrodynamically and comprises an electric motor of the slewing gear drive which can be operated as an electric-motor brake.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
LIEBHERR-WERK BIBERACH GMBH88400 BIBERACH AN DER RISS

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Münst, Thomas Ummendort, DE 2 6
Schmid, Gerhard Wolpertswende, DE 51 555
Wanner, Harald Attenweiler, DE 5 6

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