Conventional hoists cannot simultaneously achieve sufficient portability, operability, and durability, do not have a dust-proof function, and have a problem in operability of a hand chain.
A linear actuator with a dust-proof mechanism reliably protects the actuator against dust in the entire stroke range of the actuator.
All parts of the drive are separated from the clean room by a dust-proof cladding and suction arrangements are arranged next to the openings through which the transport elements project into the clean room.
Enclosed in a dust-tight enclosure
Enclosed in a dust-tight enclosure
According to the invention, the filter dust is received in a dust-tight top chamber arranged upstream from the supply opening of a melting unit thermally connected to a combustion chamber.
The assembly comprises a dustproof mesh support (10) and a dustproof mesh (20).
Enclosed in a dust tight enclosure
enclosed in a dust tight enclosure
A detachable dustproof mesh assembly (200) is disclosed.
An electronic device employing the detachable dustproof mesh assembly (200) is also disclosed.
It is relatively easy to seal against dust and moisture.
A liquid crystal display device with small outside dimensions and a dustproof structure.
The UV reflection film may be provided on the dustproof glass of a display unit.
The dust seal is integrally incorporated at the outer end portion of the rod guide.
This prevents the dust seal (19) from being pulled out of the arm boss (12).
Said folded carton permits an economical insect- and dust-resistant packaging without the need for an additional inner bag.
A dust seal has with a lip in sliding contact with an outer circumference of the rod body.
A dustproof connection structure of a rotating shaft capable of securely seal a housing and preventing a seal from being ruptured.
Without attaching a dustproof mesh or an unwoven fabric to a sound output hole, dust and the like are prevented from entering the housing.
A dust seal (5) is formed integrally with the sealing member (1) and extends away from a side face of the sealing member (1) at an angle.
Requêtes fréquentes français :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
Requêtes fréquentes anglais :1-200, -1k, -2k, -3k, -4k, -5k, -7k, -10k, -20k, -40k, -100k, -200k, -500k, -1000k,
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