Invention Grant
US08499945B2 Crane, in particular mobile crane with a narrow track and enlarged supporting base 有权
起重机,特别是具有窄轨道和扩大支撑基座的移动式起重机

Crane, in particular mobile crane with a narrow track and enlarged supporting base
Abstract:
A mobile crane includes an undercarriage with a middle section and two parallel crawler carriages; a superstructure on which a boom is mounted, the superstructure being connected to the undercarriage by a rotary joint; two longitudinal outriggers connected to the undercarriage and extending in the longitudinal direction between the crawler carriages; and two transverse outriggers connected to the undercarriage and extending outside the crawler carriages. One of the longitudinal outriggers has an end with a transverse beam supported by spaced apart outrigger cylinders which provide an extended tipping edge to further stabilize the crane.
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