| 摘要 |
A vacuum cleaner brush with a flexible internal suction pipe (100), in plastic material and items in plastic or steel, intended for application to all types of domestic or for community vacuum cleaners, fitted with a single articulated joint or with a double articulated joint compared with two axes (136, 144), parallel to the ground, fitted in centre line with a flexible pipe (120) rigidly connected to the central connection (116) of the suction split (112) on one side and on the other, to the rigid pipe (132) of the upper and main articulated joint (142), between which a connection (146) is inserted, with the possibility of oscillation-rotation, second (150), without however allowing the retraction ram with an axial retaining ring also placed between them (148), producing a continuity without possibility of any loss in the joins for the pipe (120). |
