| 摘要 |
FIELD: equipment for vacuum cleaning. ^ SUBSTANCE: hinged extension pipe forms sealed duct between housing of vacuum cleaner and suction brush and it includes part that may be bent according to desire of user. Extension pipe includes first extension tube, second extension tube jointly connected with first tube, at least one lid for preventing disconnection. Said lid passes through first and second tubes outside first connection tube. Extension pipe also includes fixing unit jointly connected with first extension tube and engaged with second extension tube for setting movements of first and second jointly connected extension tubes. Said fixing unit also releases fixation of second extension tube in order to provide possibility for bending first and second extension tubes. ^ EFFECT: enhanced comfort of using vacuum cleaner due to possibility for bending extension pipe simply by pressing button. ^ 9 cl, 5 dwg |
