Global Patent Index - EP 0691301 B1

EP 0691301 B1 2001-02-28 - Slewing gear for a crane

Title (en)

Slewing gear for a crane

Title (de)

Drehwerk für einen Kran

Title (fr)

Mécanisme de rotation pour une grue

Publication

EP 0691301 B1 (DE)

Application

EP 95107992 A

Priority

DE 4419791 A

Abstract (en)

[origin: EP0691301A1] The rotating parts of the crane are driven by gearing from an electric motor controlled by an actuator in response to measurements of its rotational speed and torque. When the load suspended from the jib is swinging forwards during run-up of the motor and rotation of the jib, the driving torque is reduced as the speed increases. When the load is swinging backwards the torque is maintained at a substantially constant value. <IMAGE>

IPC 1-7 (main, further and additional classification)

B66C 23/26; B66C 13/06; B66C 13/30; G05D 3/14

IPC 8 full level (invention and additional information)

B66C 13/06 (2006.01); B66C 13/30 (2006.01)

CPC (invention and additional information)

B66C 13/063 (2013.01); B66C 13/30 (2013.01)

Designated contracting state (EPC)

AT BE CH DE DK ES FR IT LI NL

EPO simple patent family

EP 0691301 A1 19960110; EP 0691301 B1 20010228; AT 199364 T 20010315; DK 0691301 T3 20010326; ES 2154695 T3 20010416

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