PROBLEM TO BE SOLVED: To provide an electric connection structure for a multistory parking device, capable of preventing a pallet from being position-shifted from a predetermined position due to an energization force of an elastic member included in a follow-up mechanism for making a tower side connector follow a pallet side connector.SOLUTION: An electric connection structure for a multistory parking device includes: a pallet side connector 6; a tower side connector 7; a follow-up mechanism 16 having a first elastic member 21 for energizing in a direction of pushing the tower side connector 7 to the pallet side connector 6, and making the tower side connector 7 follow swinging of a pallet 3 and the pallet side connector 6 in a state that the pallet side connector 6 and the tower side connector 7 are connected to each other to displace the tower side connector 7; and a holding part 40 having a holding power for holding the pallet 3 in a storage position in the state that the tower side connector 7 and the pallet side connector 6 are connected to each other, and releasing the holding of the pallet 3 when the pallet 3 is drawn from the storage position and an operation power for releasing the connection between both the connectors 6 and 7 works.
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