Patent ID: 11952213
Assignee: MURATA MACHINERY, LTD.
Field: Semiconductors (Electrical engineering)
Classification: CPC B  H | IPC B  H

Claim 2:
3. The ceiling suspended shelf according to claim 2, wherein
the upper shelf includes:
a first shaft that is able to rotate;
a first support portion to rotate integrally with the first shaft;
a second shaft that is able to rotate, and that has an axial center different to an axial center of the first shaft; and
a second support portion to rotate integrally with the second shaft, and

the switching mechanism is able to switch between the open state and the closed state by transmitting to the first shaft an external driving force as a rotational force while transmitting to the second shaft an external driving force as a rotational force in the direction reverse to the rotational force transmitted to the first shaft.