<;P>;PROBLEM TO BE SOLVED: To provide a non-contact transmitter for data and power, or the like, in which a power feeder and a power receiver, having completely high safety and reliability are easily attached. <;P>;SOLUTION: A power receiving casing and a power feeding casing are coupled via fasteners 51a, 51b to be freely attached and detached so that a power feeding coil and a power feeding core 28, and a power receiving coil and a power receiving core 55 face each other on the same axis. <;P>;COPYRIGHT: (C)2011,JPO&INPIT