Patent ID: 8286336

Claim:
A lead wire insertion device comprising: a pair of a first chuck member and a second chuck member, each of which has an insertion hole through which a coil terminal of a cassette coil is inserted, to connect the coil terminal to a terminal of a connection terminal, and each of which is separable and is divided into a chuck inner member and a chuck outer member, wherein: the first chuck member and the second chuck member are bilaterally symmetrically arranged; the chuck inner member of the first chuck member and the chuck inner member of the second chuck member are bilaterally symmetrically arranged and are adjacent to each other; a division position between the chuck inner member and the chuck outer member is inside the insertion hole, and is offset from a center of the insertion hole; a division position between an upper portion of the chuck inner member, which is located above the insertion hole, and an upper portion of the chuck outer member, which is located above the insertion hole, is offset from a center of the coil terminal toward the chuck outer member; and a division position between a lower portion of the chuck inner member, which is located below the insertion hole, and a lower portion of the chuck outer member, which is located below the insertion hole, is offset from the center of the coil terminal toward a side opposite to the chuck outer member.