| 摘要 |
FIELD: vacuum cleaning equipment. SUBSTANCE: apparatus has retainer tip, valve for closing inlet suction hole, and device for locking tip in suction unit. Suction unit has mobile vacuum cleaner and removable dust-collecting bag positioned within vacuum cleaner casing. Retainer tip is mounted on one end of suction hose and may be communicated with suction unit via suction hole. Valve is mounted on dust-collecting bag for displacement between inlet hole opening and closing positions by means of controller. Controller is equipped with engagement devices adapted for starting dust-collecting bag opening and closing processes depending on operations for locking and unlocking of retainer tip in vacuum cleaner. EFFECT: increased efficiency, simplified construction and enhanced reliability in operation. 10 cl, 1 dwg
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