Training case installed in shelf of classroom, has electrical contact unit that is coupled to electrical contact assembly within teaching case portion in parallel manner

摘要

The training case (1) has electrical contact arrangement (5A,5B) that is connected with an external power source for charging the rechargeable battery. The other side of the training case portion is provided with electrical contact unit (4A,4B). The electrical contact unit is coupled to the electrical contact assembly within the teaching case portion in parallel manner. The electrical contact unit is electrically connected with electrical contact arrangement with respect to the position and shape of the electrical contact arrangement. An independent claim is included for power source case for supply of training case.