SEALING DEVICE AND ROTARY FEEDER

摘要

PROBLEM TO BE SOLVED: To easily restore sealability of a sealing device in a good condition when a sealing member constituting the sealing device is worn away by the use, in the sealing device disposed between an inner wall of a casing and a rotor rotatably disposed in the casing to perform sealing of the rotor in a rotation direction.

SOLUTION: The sealing device comprises: the sealing member 13 extending in a rotation center axis CL1 of the rotor 9, having a base end part 17 side disposed to the rotor 9 and a tip part 19 side extending toward the inner wall 3A of the casing 3, and movable with respect to the rotor 9 in a direction separated from or getting close to the inner wall 3A; and a fluid pressure cylinder 21 enabling movement of the sealing member 13 in a direction of the inner wall 3A until the tip part 19 is brought into contact with the inner wall 3A by contact pressure.

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