VACUUM CLEANER HEAD Russian patent published in 2015 - IPC A47L9/04 

FIELD: personal use articles.

SUBSTANCE: vacuum cleaner head containing: a body (12) having a suction hole (36) for air flow reaching into the head, a shaking device (60) for shaking the surface to be cleaned; the shaking device has an active state and a non-active state, a channel (82) for air flow receiving from the body and a control unit (174) intended for control of the shaking device (60) state. The control unit (174) contains a charge chamber (176) having an inner volume connected via the liquid medium to the air channel (82) and designed so that to be able to change its configuration between the stretched configuration and the compressed one in response to pressure differential between the inner volume and environment air; an actuator mechanism (172) for the shaking device (60) passing from one of the states (that is active or non-active one) into the other of its two states in response to the charge chamber (176) passing into the compressed configuration; a control mechanism (214, 238) having the first state for prevention of compressed configuration receiving by the charge chamber (176) and the second state allowing the charge chamber (176) to receive the compressed configuration. The control mechanism (214, 238) is designed so that to enable change of its state between its first and second states in response to the charge chamber (176) inner volume increase for instance in response to air pressure increase inside the channel (82).

EFFECT: design improvement.

24 cl, 28 dwg