Suction nozzle for floor wiper device formed as attachment of hand-held electrically operated household vacuum cleaner, has holding part including sealing lips and protruded downwardly over mouth surface in lower extending position of lips

摘要

#CMT# #/CMT# The nozzle (4) has a nozzle edge that forms a suction mouth including a flat suction mouth surface. Sealing lips (16, 17) are movable perpendicular to the mouth surface is arranged with respect to a moving direction (r, r') of the nozzle before and after the nozzle edge. A holding part (19) including the lips is protruded downwardly over the mouth surface in a lower extending position of the lips. The holding part comprises a guide extension guided to a housing (10) or directly to the nozzle. The holding part partially extends outside a guide in the lower extending position. #CMT#USE : #/CMT# Suction nozzle for a floor wiper device formed as an attachment of a hand-held electrically operated household vacuum cleaner. #CMT#ADVANTAGE : #/CMT# The holding part including the sealing lips is protruded downwardly over the mouth surface in the lower extending position of the lips, thus increasing stability of the suction nozzle, and preventing turning-in of the nozzle according to displacement of the device and/or the nozzle and/or suction towards the suction mouth, and hence ensuring high flow speed over an entire suction length for safe accommodation of suction goods. The provision of the sealing lips ensures improved sealing of a low pressure area adjusted below the suction neck against environment. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a side, partial sectional view of a floor wiper device. r, r' : Moving direction 3 : Floor 4 : Suction nozzle 10 : Housing 16, 17 : Sealing lips 19 : Holding part.