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US 10,864,514 B2Granted
Biological safety cabinet and clean bench
AssigneePhc Holdings Corporation
InventorsRitaro Oguma, Shinji Sugimoto
Life of this patent
Estimating the term…
Abstract
A biological safety cabinet or the like according to an embodiment of the present disclosure includes: a bottom plate 4 provided in a body case 2; and a flexible portion 13 provided to a front shutter protector 6 that is provided to a lower end of the front shutter 5, and is capable of ensure reliability by reducing the load of the front shutter such that outside air is drawn into the body case 2 through a gap 15 formed in a contact portion between the flexible portion 13 and the bottom plate 4.
Claims10
A biological safety cabinet comprising:
- a body case having an opening portion in its front face;
- an air conditioner configured to perform air conditioning in an interior of the body case;
- a bottom plate provided inside the opening portion;
- a front-side gas discharge portion provided in the bottom plate on a front face side in the body case;
- a front shutter movable in a vertical direction to cover the opening portion;
- a front shutter protector provided at a lower end of the front shutter;
- a flexible portion provided to the front shutter protector, the flexible portion being configured to contact the bottom plate in front of the front-side gas discharge portion, when the front shutter is fully lowered, the flexible portion having a width substantially equal to a width of the opening portion;
- and
- a gap formed by the flexible portion and the bottom plate such that air flows between the interior of the body case and outside of the body case through the gap, when the front shutter is fully lowered.
6 more elements
A clean bench comprising:
- a body case having an opening portion in its front face;
- an air conditioner configured to perform air conditioning in an interior of the body case;
- a bottom plate provided inside the opening portion;
- a front-side gas discharge portion provided in the bottom plate on a front face side in the body case;
- a front shutter movable in a vertical direction to cover the opening portion;
- a front shutter protector provided at a lower end of the front shutter;
- a hard portion including a front shutter mounting portion, the hard portion being provided to the front shutter protector;
- a flexible portion provided to be longer than a space distance between the hard portion and the bottom plate and to have a width substantially equal to a width of the opening portion, and configured to contact the bottom plate in front of the front-side gas discharge portion, when the front shutter is fully lowered;
- and
- a gap formed by the flexible portion and the bottom plate such that air flows between the interior of the body case and outside of the body case through the gap, when the front shutter is fully lowered.
7 more elements
Dependencies are inferred from the claim text.