The shedding device for weaving machines whose warp threads guided in heddles between an upper shed position and a lower shed position are moved back and forth, whereby tension springs that move axially in a surrounding casing grip each heddle to return them to the lower shed position, and the tension springs are attached to a downward-pulling base or rod of a downward-pulling frame. Solution A clothes hanger comprises a substantially horizontally arranged rod, a rigid hanger body which support the rod at the both ends thereof, a plural clip through which the rod is inserted, and a plural spacer through which the rod is inserted between the clips. The heating unit includes a power source and a heating element heated by power supplied from the power source. The position fixer has a plurality of through holes each retaining to a corresponding pin end prior to the position fixer being moved up to the mounting surface when the electrical connector is mounted to the PCB.