Low-temperature storage system

A low-temperature storage system storing a storage object at a low temperature, the system comprising:

• a low-temperature storage chamber having a storage area for a storage object, and an opening part;
• and a transfer mechanism carrying the storage object into and out of the low-temperature storage chamber,
• the transfer mechanism including an in-storage unit installed in a stationary manner inside the low-temperature storage chamber, and an external unit installed outside the low-temperature storage chamber,
• the in-storage unit including a holding part holding the storage object, a reciprocating part connected to the holding part and being able to move up and down, a turn guide guiding the reciprocating part to move up and down and being able to turn inside the low-temperature storage chamber, and a lift member moving the reciprocating part up and down inside the low-temperature storage chamber, and
• the external unit including a torque transmission part connectable to the turn guide, a lift transmission part connectable to the lift member, and a detachable moving part driving the torque transmission part and the lift transmission part into and out of the low-temperature storage chamber.