Transfer system, transfer device, and transfer method

A transfer system comprising:

• a storage device including a plurality of shelves arrayed in an up-and-down direction and on which an article is transferred from one side in a horizontal one direction, each of the shelves including a placement portion in which an opening region that is open in the up-and-down direction and open on the one side is formed and on which the article is placed, and an attaching portion provided according to a position of the placement portion in the up-and-down direction;
• and
• a transfer device that transfers the article, with each of the shelves as a transfer target shelf, from the one side with respect to the transfer target shelf, wherein
• the transfer device comprises
• a main unit portion attached to the attaching portion of the transfer target shelf from the one side,
• a moving portion including a grip portion that allows a worker to apply a force along the one direction while holding the grip portion, the moving portion being capable of supporting the article and configured to move between the main unit portion and the transfer target shelf along the one direction in a state where the main unit portion is attached to the attaching portion of the transfer target shelf, and
• an elevating portion configured to elevate the moving portion through the opening region of the transfer target shelf in a state where the main unit portion is attached to the attaching portion of the transfer target shelf,
• wherein,
• the transfer device further comprises a guide configured to guide the moving portion along the one direction,
• the guide extends from the main unit portion in a state where the main unit portion is not attached to the attaching portion of the transfer target shelf, and
• the guide extends from the main unit portion to directly below the opening region of the transfer target shelf in a state where the main unit portion is attached to the attaching portion of the transfer target shelf.