| 摘要 |
FIELD: devices for withdrawal of separate small objects; may be used in selective suction of small bodies, for instance, in household for withdrawal of wastes from cereals. SUBSTANCE: device has hollow body whose lower part has bottom with central opening, piston, chamber for collection of small objects and nozzle tube with changeable nozzles. The device also has hollow rod connected with piston and passing the body bottom central hole to serve as extension of nozzle tube. Made in hollow rod in points of joint with piston is outlet hole below which chamber for collection of waste small objects is attached to hollow rod. The chamber partially overlaps the body inner section. Piston has discharge holes and membrane air valve. EFFECT: higher operate reliability of device with chamber filled with small objects and increased speed of action. 5 dwga |
