Abstract: The disclosure provides a vehicle body rear structure, which can reduce damage to the vehicle during a collision from the rear. The vehicle body rear structure includes a chassis rear, a hook reinforcement part fixed to a lower surface of the chassis rear; and a hook fixed on a back side of the chassis rear through the hook reinforcement part, in which the hook reinforcement part includes a plurality of part members independent from each other, the plurality of part members are connected in series and joined in a front-back direction of the vehicle to form a joint boundary part, and the joint boundary part is disposed with a weakened part on a side close to the chassis rear.

Abstract: A vehicle body rear part structure includes a rear frame and a beam member. The rear frame has: a first inner bead, a first outer bead, a second inner bead, and a second outer bead. The first inner bead and the first outer bead are formed on an inner wall and an outer wall, respectively, in a region close to the beam member. The second inner bead and the second outer bead are formed on the inner wall and the outer wall, respectively, in a region that is separated to a vehicle body frontward direction from the first beads. The first outer bead is formed to have a higher fragility than the first inner bead.

Abstract: A coil alignment device includes: a plate-shaped first jig having a plurality of grooves arranged along a circumferential direction so as to extend toward a radial-direction outer side; and a second jig that can contact with a segment coil inserted in the first jig. Each groove includes a storage portion extending along a radial direction and having a first length so that leg portions of the segment coils can be stored side by side in the radial direction, and a guiding portion extending from the storage portion toward the radial-direction outer side, and has a first shape so that, using, as a fulcrum, one leg portion inserted in the storage portion, the other leg portion is movable toward the storage portion. The second jig is movable to press the segment coil from a radial-direction side and store the other leg portion into the storage portion.