A foreign substance removing device includes: a cylinder including a support portion; a piston configured to send out a fluid flowing into the cylinder; a spring configured to urge the piston; and a mechanism configured to apply a moving force to the piston. A direction in which the fluid is sent out is a first direction. The piston is moved in the first direction by an urging force of the spring. An operation portion of the piston is formed with a convex or concave portion. The support portion is formed with an insertion concave portion into which the convex portion is capable of being inserted or an insertion convex portion capable of being inserted into the concave portion. A compression space is formed in the moving space when the piston is moved in the first direction and the convex portion or the insertion convex portion is inserted.
FOREIGN SUBSTANCE REMOVING DEVICE
2020-08-13
Patent
Elektronische Ressource
Englisch