| 摘要 |
FIELD: domestic appliances. ^ SUBSTANCE: unit of reducer can be used in vacuum cleaner and it provides ability of placing tubes in blocked and unblocked positions without use of manual operations. Unit has many tubes which sizes are chosen to provide telescopic insertion of tubes one into another in such a way that they are able to move between extended position and storage position, tube for storage made for putting mentioned tubes into it in case they should be stored, and blocking lever, provided with protrusion for blocking position of tube being the widest among all the tubes to be removed. It also has hook made for engagement with bead made at distal end of tube being located farer than others and intended for storage in case when all the tubes are put into tube for storage. ^ EFFECT: simple use; reduced time for maintenance. ^ 16 cl, 21 dwg |
