IP Library Granted Patent US 11,666,899
Granted Patent B2
US 11,666,899 · App. 16/759,198 · Granted Jun 6, 2023

Safety cabinet

Inventors: Takeshi Kaneko (Tainai, JP); Takahiro Kashima (Tokyo, JP)
Assignee: Hitachi Industrial Equipment Systems Co., Ltd.
B01L1/025F24F7/007F24F7/06F24F11/30F24F11/89B01L2200/06C12M1/12
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Quick Facts
Patent No.
US 11,666,899
App. No.
16/759,198
Granted
Jun 6, 2023
Kind
B2
Abstract

A safety cabinet includes an operation stage on which an operation is performed, an operation space in which an operator performs the operation, a front panel disposed in front of the operation space, an operation opening connected to the operation space, exhausting means that suctions air from the operation opening and exhausts air in the operation space outside the safety cabinet through air purifying means, and visualizing means that visualizes an air flow in the operation space.

Claims (15)

1. A safety cabinet comprising:

an operation stage on which an operation is performed;

an operation space in which an operator performs the operation;

a front panel disposed in front of the operation space;

an operation opening connected to the operation space;

exhausting means that suctions air from the operation opening and exhausts air in the operation space outside the safety cabinet through air purifying means;

visualizing means that visualizes an air flow in the operation space, wherein

the visualizing means includes means that generates a mist, and

a touch panel that generates or stops the mist based on an input by the operator; and

an imaging unit that acquires an image of a mist flow, wherein the safety cabinet is configured to determine a state of the operation performed by the operator, based on the image acquired by the imaging unit.

2. The safety cabinet according to claim 1 , further comprising

a display unit,

wherein the safety cabinet is also configured to cause the display unit to display an overlay of a motion of the operator on an exemplary motion display.

3. The safety cabinet according to claim 1 ,

wherein the mist is generated downward from an upper portion on a front surface side of the operation space.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 27, 2020
From: KANEKO, TAKESHI; KASHIMA, TAKAHIRO
To: HITACHI INDUSTRIAL EQUIPMENT SYSTEMS CO., LTD.
Reel/Frame 052497/0571 →
Priority Claims (1)
JP JP2018-083426 · Apr 24, 2018 · national
Continuity (1)
Related Publication 20200316581A1 · Oct 8, 2020