To evade a contact between mutual electrode terminals after releasing connection when the mechanical connection of a connection means for connecting electrode terminals of respective battery is released while a battery pack receives impact load from rearward of a vehicle.
On a floor panel 5 at rearward of a rear seat 1, as the battery pack 7, a plurality (4 pieces, here) of batteries 9, 11, 13, 15 are arranged along the vehicular width direction. When the impact load has been received from the rearward of the vehicle, the batteries 9, 15 on the both sides of the vehicular width direction move to the forward of the vehicle, and the battery pack 7 is rotated with bolts 53 for fastening on the rearward of the vehicle and on the outsides of the vehicular width direction as the center so that the vehicle front end sides provided with the electrode terminals become on the outside of the vehicular width direction. The 2 pieces of the batteries 11, 13 at the center move to the forward of the vehicle.
MURAMATSU SATOSHI
Iwa Saki Kokuni
Kawamata Sumio
Masakazu Ito
Shunichi Takahashi
Toshio Takamatsu
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