Patent ID: 11946684
Assignee: SHANGHAI ORIGINCELL BIOLOGICAL CRYO EQUIPMENT CO., LTD.
Field: Other consumer goods (Other fields)
Classification: CPC A  F  B  Y | IPC A  F

Claim 6:
7. The spirally ascending/descending cryogenic storage apparatus according to claim 6, wherein the cryogenic storage tank further comprises a tank body, an upper cover, and a sealing cover; the rotating storage rack is disposed in the tank body, the sealing cover is sealed on an upper end of the tank body, the upper cover is covered on an upper end surface of the sealing cover;
a fixed plate is fixedly provided under the sealing cover, a fixed disc is fixedly provided under the fixed plate, the driven wheel is disposed between the fixed plate and the fixed disc, and the driven wheel is in ball sliding connection with both the fixed plate and the fixed disc;
the drive motor is disposed above the upper cover, the motor shaft of the drive motor sequentially passes through the upper cover and the sealing cover and is connected to the driving wheel in the tank body.