US Patent 12130047 Safety cabinet

A laminar flow at a high air speed can be maintained, and contamination caused by operation of a device or operation of the device by a person can be suppressed as much as possible. There is provided a safety cabinet that supplies clean air into a work room from above, the cabinet including: an opening portion in a front surface of the work room; a front shutter; partition plates provided on right and left side surfaces and a back surface on an upper side of the work room; and a partition on a front upper side of the work room.