TROLLEY ASSEMBLY FOR A CRANE AND A CRANE THEREWITH

Yunsub Jung (Inventor), In Gwun Jang (Inventor), Eun Ho Kim (Inventor), Hanjong Ju (Inventor), Kyung-Soo Kim (Inventor), Kyung Il Kim (Inventor), Byung Man Kwak (Inventor)

Research output: Patent

Abstract

A crane for loading and unloading a cargo includes a trolley assembly. The trolley assembly includes a first trolley movable in a longitudinal direction along a boom of the crane; a second trolley movable in a lateral direction on the first trolley; a hoist provided on the second trolley; a spreader movable in a vertical direction by the hoist; a light emitting unit provided on the spreader; and a smart camera for capturing an image of the light emitting unit to measure a movement of the spreader. A movement of the hoist is controlled by a location control unit based on the measured movement of the spreader.

Original languageEnglish
IPCB66C 13/ 22 A I
Patent numberUS2011272376
Country/TerritoryUnited States
Priority date10/05/2010
Priority numberKR20100043419
Publication statusPublished - 10 Nov 2011

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