| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a charging system that can efficiently and effortlessly feed electricity to a hook member of a crane, without requiring an additional work in charging. <P>SOLUTION: The charging system includes: a power transmission coil 4 disposed on the upper end 12a of a crane jib 12 delivering a hoist rope 16 to allow the hoist rope 16 to pass therethrough; a feeding cable for feeding electricity to the power transmission coil 4; a power receiving coil 6 disposed on the upper end of a sheave 13A of a hook member 10 to allow the hoist rope 16 to pass therethrough; and a charging device 2 supplied with electricity from the power receiving coil 6 via the feeding cable and connected to electric devices, wherein the power receiving coil 6 approaches the power transmission coil 4 to be supplied with electricity from the power transmission coil 4 when the hook member 10 is hoisted. <P>COPYRIGHT: (C)2013,JPO&INPIT |
